eMedicine Specialties > Dermatology > Diseases of the Subcutaneous Tissue

Adiposis Dolorosa

Marjan Yousefi, MD, Department of Dermatology, Geisinger Medical Center
Tammie Ferringer, MD, Teaching Staff, Departments of Dermatology and Pathology, Geisinger Medical Center; Nada MacAron, MD, Staff Physician, Department of Pathology, Emory University School of Medicine

Updated: May 15, 2009

Introduction

Background

First described in 1892 by the American neurologist Francis Xavier Dercum at Jefferson Medical College in Philadelphia, Penn, Dercum disease (adiposis dolorosa) is an unusual progressive syndrome of unknown etiology characterized by multiple painful lipomas that arise in adult life, most often affecting postmenopausal women who are obese.¹ The onset of Dercum disease (adiposis dolorosa) is insidious. The pain is out of proportion to the physical findings and is often described by patients as "all fat hurts." The pain increases with increases in fatty tissue and in connection with menstruation. Estrogen replacement at menopause does not reduce the pain.

Since the original description of Dercum disease (adiposis dolorosa), the clinical spectrum has changed to include, in addition to the painful nodular fatty deposits, other components of Dercum disease (adiposis dolorosa). General obesity; fatigability; weakness; and a wide variety of unexplained emotional disturbances, such as depression, confusion, and dementia, are reported. This observation is why Dercum disease has been proposed to be relabeled as Dercum syndrome.²

Dercum disease (adiposis dolorosa) has been classified by the World Health Organization (WHO), and a paraphrase from the National Organization of Rare Diseases (NORD) says "Dercum Disease is a rare disorder in which there are fatty deposits which apply pressure to the nerves, resulting in weakness and pain. Various areas of the body may swell for no apparent reason. The swelling may disappear without treatment, leaving hardened tissue or pendulous skin folds."

Criteria for diagnosis

Dercum disease (adiposis dolorosa) consists of 4 cardinal symptoms: (1) multiple, painful, fatty masses; (2) generalized obesity, usually in menopausal age; (3) asthenia, weakness, and fatigability; and (4) mental disturbances, including emotional instability, depression, epilepsy, confusion, and dementia.³

Associated conditions

Associated conditions include sleep disturbances and pickwickian syndrome; slight-to-moderate dryness of the eyes and the mouth, with a gritty feeling in the eyes in spite of normal tear production (the criteria for Sjögren syndrome are not completely satisfied); an irritable bowel; coccygodynia; vulvovaginitis; vulvodynia; carpal tunnel syndrome; Tietze syndrome; chondromalacia patellae; thyroid malfunction, mainly hypothyreosis; trochanteritis; localized tendonitis; and onset of fibromyalgia (sometimes).^4,5

Mode of inheritance

Dercum disease (adiposis dolorosa) is believed to be transmitted in an autosomal dominant manner^6,7 ; it is particularly strong in the line of great grandmother-mother-daughter; however, most reported cases of adiposis dolorosa are sporadic.⁸

Pathophysiology

The understanding of the pathogenesis and mechanism of Dercum disease (adiposis dolorosa) remains unknown. The origin of the pain is obscure, and the disease is better known as a clinical entity rather than as a physiologic or metabolic process. Fatty deposits cause nerve compression and result in weakness and pain.

A review of the histopathologic findings of Dercum disease (adiposis dolorosa) showed no consistent histologic abnormality in the adipose tissue that might distinguish these tumors from common sporadic lipomas.⁸ In theory, the sudden appearance of the disease together with the incidence of a slight increase in the number of inflammatory cells in the fat could point toward the disease being, in part, an immune defense reaction.^5,9 Some authors believe that the sympathetic nervous system may play a role in the origin and development of the pain.

The report of a case of Dercum disease (adiposis dolorosa) developing in association with the use of high-dose corticosteroids and its resolution upon reducing the dose suggests a causal relationship. Therefore, alterations of fat metabolism induced by corticosteroid excess may play a role in the development of this syndrome.⁴ An earlier study suggested that a defect in the synthesis of monounsaturated fatty acids may play a role in its development. Further studies are needed to support this hypothesis and to identify a specific biochemical defect.¹⁰

Dercum disease (adiposis dolorosa) has been suggested to be an expression of familial multiple lipomas, which is an autosomal dominant disease characterized by multiple asymptomatic lipomas. This observation was derived by studying the family patterns of 2 siblings with adiposis Dercum disease (adiposis dolorosa); findings suggested that the disease segregates in an autosomal dominant fashion with variable phenotypic expressivity, ranging from totally asymptomatic to extremely painful lipomas.¹¹

Mutational analysis excluded the 8344A → G mitochondrial mutation seen in other patients with multiple lipomas.^8,11 The A → G transition at position 8344 in the tRNA^lys gene of mitochondrial DNA has been described in the syndrome myoclonic epilepsy and ragged-red fibers (MERRF). A number of reports described the presence of multiple lipomas resembling those of multiple symmetrical lipomatosis in some members of pedigrees with MERRF harboring the 8344 tRNA mutation.¹²

Gamez et al described an unusual syndrome characterized by maternally inherited multiple symmetrical lipomatosis in a pedigree harboring the 8344 mutation in the tRNA^lys gene of mitochondrial DNA.¹¹ Although the probands in their study harbored this mutation and had sensory polyneuropathy, they lacked the typical neuromuscular manifestations of MERRF.

Frequency

United States

Dercum disease (adiposis dolorosa) is rare.

Sex

Dercum disease (adiposis dolorosa) is 20 times more common in females who are postmenopausal, obese, or overweight than in other people. It can occur in individuals who are not obese. Sixteen percent are males.

Age

Dercum disease (adiposis dolorosa) occurs in persons aged 45-60 years. Rarely, it occurs in women younger than 45 years. Adiposis dolorosa is almost never seen in children.

Clinical

History

• Presentation
  • Previously healthy women notice lumps or previously present lumps start growing. They describe pain and discomfort in the region of the lumps associated with weakness.
  • Before the onset of the disease, the patient is usually only slightly obese, but, in a short time, the patient becomes overweight.
  • The pain increases with the increase in fatty tissue and in connection to menstruation.
• Types and location
  • The painful lipomas have been reported to occur in any location, except in the head and the neck.¹³
  • Different types can be identified according to the spread of pain.
    • Type I, or the juxta-articular type, with painful folds of fat on the inside of the knees and/or on the hips, in rare cases only evident in upper-arm fat
    • Type II, or the diffuse, generalized type, where widespread pain from fatty tissue is found, apart from that of type I, also often in the dorsal upper-arm fat, in the axillary and gluteal fat, in the stomach wall, in dorsal fat folds, and on the soles of the feet
    • Type III, or the lipomatosis, nodular type, with intense pain in and around multiple lipomas, sometimes in the absence of general obesity; lipomas are approximately 0.5-4 cm, soft, and attached to the surrounding tissue (Histologically, these are not always encapsulated. Some have been classified as angiolipomas.)
• Type of pain
  • The pain varies from discomfort on palpation to excruciating, paroxysmal spontaneous attacks.³
  • The pain can be aching, burning, or stabbing, often described by the patient as "it hurts everywhere."
  • The pain is usually symmetrical; however, it can become localized to the thighs, the knees, or the upper extremities.
  • Pain can be felt in the skeletal system and in the fat.
• Hyperalgesia is found by light pressure and touch in the fatty tissue below the skin and is made worse by tightly fitting clothes or showering. The pain is temperature and weather dependent; it decreases in dry heat and when pressure is high. Hot baths can have a positive but short-term effect in the relief of pain, but some patients do not tolerate heat. Estrogen replacement at menopause does not reduce the pain.
• Other symptoms, with variable incidence, include the following:
  • The fingers have a tendency to swell up, fumble, and tingle, and they can be numb (paresthesias), in addition to secondary median nerve compression.
  • General tiredness similar to the symptoms of chronic fatigue syndrome may be present. Light physical activity and poor sleep aggravate the tiredness.
  • A tendency to bruise, possibly secondary to the formation of delicate vessels in fat deposits, may be present. Coagulation test results are normal.
  • Morning stiffness and stiffness after resting may occur.
  • Headaches (eg, tension headaches, classic migraine, neck headaches) may occur. Also, pain in the jaw and the eyes due to retrobulbar fatty tissue may be present.
  • Cognitive dysfunction, with concentration and memory problems, may be present.
  • Bouts of depression (atypical depression, possibly latent) may occur; this finding is not associated with the onset of the disease.
  • Feeling hot affects a small number of patients, with recurring high temperatures of 37.5-39°C for weeks at a time associated with worsening of pain.
  • Patients may become susceptible to infection, which is possibly due to the presence of fat. Pain is exacerbated with infections.

Physical

Dercum disease (adiposis dolorosa) symptoms are almost always out of proportion to the physical findings, which include the following:

• Dercum disease (adiposis dolorosa) patients are usually 50% over the normal weight for their age. In some patients, only localized fat, without general obesity, is present.
• Lipomas are multiple, painful, symmetrically distributed, fatty deposits that are either diffuse or localized. The abdominal region and the lower extremities are common sites, especially around the knees. The ankle is an uncommon site of involvement.¹⁴
• Hyperalgesia is found in the fatty tissue below the skin on light pressure and touch.
• Other findings include acral swelling, bruises, and telangiectasias.

Causes

• The cause is unknown.
• High-dose corticosteroids were the cause in a reported case.

Differential Diagnoses

Lipodystrophy, Progressive
Proteus Syndrome

Other Problems to Be Considered

Like fibromyalgia, the diagnosis of Dercum disease (adiposis dolorosa) is made clinically, and both diseases include symptoms of a number of associated diseases. However, in Dercum disease (adiposis dolorosa), a relationship exists between pain and body weight, with pain in the fatty tissue and obesity being fundamental criteria for the diagnosis of Dercum disease (adiposis dolorosa). In addition, the pain is often more general and more severe than in fibromyalgia.

Madelung syndrome, also known as multiple symmetrical lipomatosis or benign symmetrical lipomatosis, is characterized by numerous, symmetrically distributed, nontender, poorly circumscribed lipomas, mainly around the neck, in the suboccipital region, on the proximal extremities, and on the upper part of the trunk. It is an idiopathic disease that affects middle-aged, nonobese men who are alcoholics. Neurologic involvement, particularly peripheral neuropathy, is considered a constitutive manifestation of this disease.¹⁵

Familial multiple lipomatosis belongs to the multiple lipoma syndromes. It is transmitted in an autosomal dominant fashion and often becomes apparent by the third decade of life. Patients may have up to hundreds of slowly growing, usually asymptomatic, subcutaneous lipomas of various sizes in widespread distribution. Patients with familial multiple lipomatosis are distinguished from patients with Dercum disease (adiposis dolorosa) by their lack of disabling pain.¹⁵

Proteus syndrome is characterized by lipomas, partial gigantism of the hands or the feet, hemihypertrophy, pigmented nevi, and other subcutaneous neoplasms (eg, hemangiomas, lymphangiomas, mesenchymomas).

Weber-Christian disease (nonspecific panniculitis), neurofibromatosis, Fröhlich syndrome, adenolipomatosis, lipodystrophia progressiva, Cushing syndrome, and osteoarthritis should be ruled out when evaluating patients with multiple subcutaneous tumors. Also, in a patient who is obese, myasthenia gravis should be considered.

Workup

Laboratory Studies

• Results of hormonal studies to rule out Cushing syndrome, thyroid abnormalities, and other endocrinologic abnormalities are normal.
• Dercum disease (adiposis dolorosa) Patients might have associated slight-to-moderate rises of cholesterol levels.
• Erythrocyte sedimentation rate results can be slightly elevated.
• Coagulation test results are normal.
• In spite of obesity, hypertension and type 2 diabetes mellitus seldom occur.
• An increase in certain active parameters is seen in the following: sedimentation rate; alpha-1-antitrypsin; orosomucoid (alpha-1-acid glycoprotein, an acute phase reactant); haptoglobin; and complement factors C3, C4, Clq, and Cls.^4,5
• The heat produced by the fat cells when measured with a microcalorie meter is approximately twice as high as that taken from people who are extremely overweight.
• The ratio of monounsaturated fatty acid (16:1, 18:1) in the fatty tissue is greater than that of saturated fatty acid (14:1, 18:0) shown by a comparison with healthy people in controls.^15,16
• The levels of substance P in the cerebrospinal fluid is significantly lower compared with healthy weight-matched controls. However, the average in both cases is above the normal level. The level of the neuropeptide Y is on the lower side of normal, and B-endorphin is on the higher side (H. Brorson, B. Fagher, R. Ekman; unpublished data).

Imaging Studies

• Ultrasonography and magnetic resonance imaging may aid in the diagnosis of Dercum disease (adiposis dolorosa).¹⁴

Histologic Findings

A review of histopathologic findings did not reveal any significant features that might distinguish Dercum disease (adiposis dolorosa) tumors from the common sporadic lipomas. Minor features that were detected include a slight accumulation of perivascular lymphocytes and plasma cells and extremely large fat cells compared with those of healthy controls of similar weight. The tumors can be encapsulated, or the fatty deposits can be diffuse.

Treatment

Medical Care

Traditional management of Dercum disease (adiposis dolorosa) has been largely unsatisfactory relying on weight reduction and surgical excision of particularly troublesome lesions. Even at the present time, no known drug can change the course of the disease, and available treatments are only symptomatic.

Nonpharmacological approaches for Dercum disease (adiposis dolorosa) may be used as adjuncts to pharmacologic treatments. Some of these include acupuncture, cognitive behavioral therapy, hypnosis, and biofeedback.¹⁷

The pharmacological treatments include the following:

• Corticosteroids: Prednisone, 20 mg daily, has been reported to provide some pain relief.² However, in one case, the induction of disease was associated with high-dose corticosteroids.⁴
• Anesthetics: Intravenous lidocaine, 400 mg over 15 minutes every other day, has been reported to provide pain relief for 10 hours to several months.^18,19 The exact mechanism of action is uncertain and remains to be elucidated as to whether it is a central effect or due to its effect on blood flow. Long-term intravenous lidocaine therapy has been associated with neurotoxicity.
• Analgesics: Traditional analgesics, such as nonsteroidal anti-inflammatory drugs, have a poor effect. The lipomas are unresponsive to analgesics, and paracetamol and dextropropoxyphene are the first choices. Localized pain may sometimes be treated with a cortisone/anesthetic injection, alternatively with sterile water given intracutaneously or more deeply.
• Others medications
  • Because of troublesome swelling of the fingers, some patients may require diuretics.
  • In 2 reported cases of Dercum disease (adiposis dolorosa), interferon (INF) alfa-2b induced long-term relief of pain in 2 patients with adiposis dolorosa and chronic hepatitis C. The analgesic effect of IFN therapy was unexpected and occurred 3 weeks after treatment with 3 million units, 3 times per week, for 6 months. Whether the mechanism of pain relief with IFN is related to its antiviral effect, to the production of endogenous substances (eg, endorphins produced by IFN), or to the interference of INF with interleukin 1 and tumor necrosis factor-alpha cytokine production, which are involved in cutaneous hyperalgesias, remains unclear.²⁰
  • Two Dercum disease (adiposis dolorosa) case reports have described pain relief with daily intake of oral mexiletine, an antiarrhythmic.^19,21
  • Singal et al reported improvement of a patient's Dercum disease (adiposis dolorosa) while on infliximab, with and without methotrexate, for ankylosing spondylitis. The patient experienced recurrent weight gain and lipoma pain with discontinuation of these medications.²²
  • Desai et al reported on treatment with a lidocaine (5%) patch,²³ and Lange et al reported on successful therapy with pregabalin with manual lymphatic drainage.²⁴

Surgical Care

• Liposuction
  • Liposuction is regarded as a supportive treatment for Dercum disease (adiposis dolorosa). Any skeletal pain is not affected. A significant initial reduction of pain and an improved quality of life is seen; these effects decrease over time.
  • Liposuction is indicated for patients with general lower-body fat or more localized large deposits of fat at the knees, on the arms, on the thighs, or on the stomach as opposed to those with general diffuse pain. In those patients, liposuction is considered a risky operation, requiring about a week of care in the plastic surgery department.
• Surgical operation: Excision of isolated painful lipomas that are pressing and causing numbness and tingling, while not preventive, is useful in ameliorating local symptoms of pain.

Consultations

• Psychiatrist: Depression and other psychosomatic symptoms are associated with Dercum disease (adiposis dolorosa). Many patients find they are misjudged and require psychological support.
• Rheumatologist: A rheumatologic consultation is warranted to rule out osteoarthritis and fibromyalgia.
• Endocrinologist: An endocrinologic etiology, such as hypothyroidism and Cushing syndrome, should be ruled out.

Diet

Experience shows that lasting weight reduction by changing the diet is difficult to achieve and does not appreciably affect the pain.

Activity

Light physical activity may worsen symptoms because of the stiffness experienced after periods of rest and minimal activity. Patients should avoid monotonous, static work and physical and psychological stress.

Medication

Traditional management of Dercum disease (adiposis dolorosa) has been largely unsatisfactory relying on weight reduction and surgical excision of particularly troublesome lesions. Even at the present time, no known drug can change the course of the disease, and available treatments are only symptomatic. However, in 2 reported cases, INF alfa-2b induced long-term relief of pain in 2 patients with Dercum disease (adiposis dolorosa) and chronic hepatitis C (see Medical Care).

Corticosteroids

These agents have anti-inflammatory properties and cause profound and varied metabolic effects. They modify the body's immune response to diverse stimuli.

Prednisone (Meticorten, Orasone, Deltasone, Sterapred)

May provide pain relief. Caution because the adverse effects may outweigh the benefits. Immunosuppressant for treatment of autoimmune disorders; may decrease inflammation by reversing increased capillary permeability and suppressing PMN activity. Stabilizes lysosomal membranes and also suppresses lymphocyte and antibody production.

Dosing

Adult

20 mg PO qd; taper over several wk as condition improves

Pediatric

Not established

Interactions

Coadministration with estrogens may decrease clearance; concurrent use with digoxin may cause digitalis toxicity secondary to hypokalemia; phenobarbital, phenytoin, and rifampin may increase metabolism of glucocorticoids (consider increasing maintenance dose); monitor for hypokalemia with coadministration of diuretics

Contraindications

Documented hypersensitivity; viral, fungal, connective tissue, or tubercular skin infections; peptic ulcer disease; hepatic dysfunction; GI disease

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

Precautions

Abrupt discontinuation of glucocorticoids may cause adrenal crisis; hyperglycemia, edema, osteonecrosis, myopathy, peptic ulcer disease, hypokalemia, osteoporosis, euphoria, psychosis, myasthenia gravis, growth suppression, and infections may occur with glucocorticoid use

Anesthetics

Lidocaine is reported to provide pain relief for 10 hours to several months.^18,19 The exact mechanism of action is uncertain, and whether it is a central effect or due to its effect on blood flow remains to be elucidated. Cardiac monitoring is required. This should be considered an investigational therapy.

Lidocaine (Dilocaine, Xylocaine)

Decreases permeability to sodium ions in neuronal membranes. Results in inhibition of depolarization, blocking transmission of nerve impulses.

Dosing

Adult

400 mg IV over 15 min qod

Pediatric

Not established

Interactions

Coadministration with cimetidine or beta-blockers increases toxicity; coadministration with procainamide and tocainide may result in additive cardiodepressant action; may increase effects of succinylcholine

Contraindications

Documented hypersensitivity to amide-type local anesthetics; avoid in Adams-Stokes syndrome and Wolf-Parkinson-White syndrome; avoid in severe sinoatrial, AV, or intraventricular block, if artificial pacemaker not in place

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

Precautions

Use a solution without preservatives; caution in heart failure, hepatic disease, hypoxia, hypovolemia or shock, respiratory depression, and bradycardia; may increase risk of CNS and cardiac adverse effects in elderly patients; high plasma concentrations may cause seizures, heart block, and AV conduction abnormalities

Analgesics

Pain control is essential for quality patient care, and it ensures patient comfort.

Acetaminophen (Feverall, Tempra, Aspirin Free Anacin, Tylenol)

Drug of choice for pain in patients with documented hypersensitivity to aspirin or NSAIDs, with upper GI tract disease, or who are taking oral anticoagulants.

Dosing

Adult

650 mg PO q6h

Pediatric

Not established

Interactions

Rifampin can reduce analgesic effects; coadministration with barbiturates, carbamazepine, hydantoins, and isoniazid may increase hepatotoxicity

Contraindications

Documented hypersensitivity; G-6-PD deficiency

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

Precautions

Hepatotoxicity possible in persons with chronic alcoholism following various dose levels; severe or recurrent pain or high or continued fever may indicate a serious illness; acetaminophen is contained in many OTC products and combined use with these products may result in cumulative doses exceeding recommended maximum dose

Propoxyphene (Darvocet)

Drug indicated for mild to moderate pain.

Dosing

Adult

65 mg PO q4h; not to exceed 390 mg/d

Pediatric

Not available

Interactions

May increase serum concentrations of MAOIs, tricyclic antidepressants, carbamazepine, phenobarbital, and warfarin

Contraindications

Documented hypersensitivity

Precautions

Pregnancy

D - Fetal risk shown in humans; use only if benefits outweigh risk to fetus

Precautions

Caution in patients dependent on opiates, substitution may result in acute opiate withdrawal symptoms; caution in severe renal or hepatic dysfunction, schedule IV narcotics

Follow-up

Complications

• Dercum disease (adiposis dolorosa) can be debilitating and can lead to incapacitation. Also, because Dercum disease (adiposis dolorosa) symptoms are nonspecific, unnecessary medical procedures, tests, and operations can result in several complications.
• Although rare, septicemia leading to septic shock, following necrosis of a fatty tumor, has been reported.²⁵

Prognosis

• The course is of Dercum disease (adiposis dolorosa) chronic and progressive.

Patient Education

• Educating patients about the chronicity of Dercum disease (adiposis dolorosa) and the available limited treatment modalities is important. Proper education about the aggravating and relieving factors should be explained.
• Patient education about Dercum disease (adiposis dolorosa) is crucial. Addressing any possible needs of those persons with disabilities is important, preferably with the assistance of an occupational therapist and a social worker. Various aids may be needed in the home and at work.
• The Dercum Group was formed in 1990 in Lund, Sweden. The group, which is a part of the Association for Rheumatics, is nationwide and has approximately 300 members. It works to provide support and information to both individual members and other interested parties.

References

1. Dercum FX. Three cases of a hitherto unclassified affection resembling in its grosser aspects obesity, but associated with special symptoms: adiposis dolorosa. Am J Med Sci. 1892;104:521-35.

2. Palmer ED. Dercum's disease: adiposis dolorosa. Am Fam Physician. Nov 1981;24(5):155-7. [Medline].

3. Brodovsky S, Westreich M, Leibowitz A, Schwartz Y. Adiposis dolorosa (Dercum's disease): 10-year follow-up. Ann Plast Surg. Dec 1994;33(6):664-8. [Medline].

4. Greenbaum SS, Varga J. Corticosteroid-induced juxta-articular adiposis dolorosa. Arch Dermatol. Feb 1991;127(2):231-3. [Medline].

5. Skagen K, Petersen P, Kastrup J, Norgaard T. The regulation of subcutaneous blood flow in patient with Dercum's disease. Acta Derm Venereol. 1986;66(4):337-9. [Medline].

6. Lynch HT, Harlan WL. Hereditary Factors in Adiposis Dolorosa (Dercum's Disease). Am J Hum Genet. Jun 1963;15(2):184-90. [Medline].

7. Cantu JM, Ruiz-Barquin E, Jimenez M, Castillo L, Macotela-Ruiz E. Autosomal dominant inheritance in adiposis dolorosa (Dercum's disease). Humangenetik. Mar 23 1973;18(1):89-91. [Medline].

8. Campen R, Mankin H, Louis DN, Hirano M, Maccollin M. Familial occurrence of adiposis dolorosa. J Am Acad Dermatol. Jan 2001;44(1):132-6. [Medline].

9. Leites SM, Davtian NK, Emanuel' VIa. [Pathophysiological characteristics of adipose tissue in Dercum's syndrome]. Patol Fiziol Eksp Ter. Jan-Feb 1972;16(1):47-51. [Medline].

10. Blomstrand R, Juhlin L, Nordenstam H, Ohlsson R, Werner B, Engstrom J. Adiposis dolorosa associated with defects of lipid metabolism. Acta Derm Venereol. 1971;51(4):243-50. [Medline].

11. Gamez J, Playan A, Andreu AL, et al. Familial multiple symmetric lipomatosis associated with the A8344G mutation of mitochondrial DNA. Neurology. Jul 1998;51(1):258-60. [Medline].

12. Silvestri G, Ciafaloni E, Santorelli FM, et al. Clinical features associated with the A-->G transition at nucleotide 8344 of mtDNA ("MERRF mutation"). Neurology. Jun 1993;43(6):1200-6. [Medline].

13. Stallworth JM, Hennigar GR, Jonsson HT Jr, Rodriguez O. The chronically swollen painful extremity. A detailed study for possible etiological factors. JAMA. Jun 24 1974;228(13):1656-9. [Medline].

14. Amine B, Leguilchard F, Benhamou CL. Dercum's disease (adiposis dolorosa): a new case-report. Joint Bone Spine. Mar 2004;71(2):147-9. [Medline].

15. Freedberg IM, Eisen AZ, Wolff K et al, eds. Neoplasms of subcutaneous fat. In: Dermatology in General Medicine. Vol 1. 5^th ed. New York, NY: McGraw-Hill; 1999:1348-9.

16. Fagher B, Monti M, Nilsson-Ehle P, Akesson B. Fat-cell heat production, adipose tissue fatty acids, lipoprotein lipase activity and plasma lipoproteins in adiposis dolorosa. Clin Sci (Lond). Dec 1991;81(6):793-8. [Medline].

17. Campen RB, Sang CN, Duncan LM. Case records of the Massachusetts General Hospital. Case 25-2006. A 41-year-old woman with painful subcutaneous nodules. N Engl J Med. Aug 17 2006;355(7):714-22. [Medline].

18. Iwane T, Maruyama M, Matsuki M, Ito Y, Shimoji K. Management of intractable pain in adiposis dolorosa with intravenous administration of lidocaine. Anesth Analg. Mar-Apr 1976;55(2):257-9. [Medline].

19. Petersen P, Kastrup J. Dercum's disease (adiposis dolorosa). Treatment of the severe pain with intravenous lidocaine. Pain. Jan 1987;28(1):77-80. [Medline].

20. Gonciarz Z, Mazur W, Hartleb J, et al. Interferon alfa-2b induced long-term relief of pain in two patients with adiposis dolorosa and chronic hepatitis C. J Hepatol. Dec 1997;27(6):1141. [Medline].

21. Steiner J, Schiltz K, Heidenreich F, Weissenborn K. [Lipomatosis dolorosa--a frequently overlooked disease picture]. Nervenarzt. Feb 2002;73(2):183-7. [Medline].

22. Singal A, Janiga JJ, Bossenbroek NM, Lim HW. Dercum's disease (adiposis dolorosa): a report of improvement with infliximab and methotrexate. J Eur Acad Dermatol Venereol. May 2007;21(5):717. [Medline].

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24. Lange U, Oelzner P, Uhlemann C. Dercum's disease (Lipomatosis dolorosa): successful therapy with pregabalin and manual lymphatic drainage and a current overview. Rheumatol Int. Nov 2008;29(1):17-22. [Medline].

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Keywords

adiposis dolorosa, Dercum's disease, Dercum disease, painful lipoma, fatty tissue rheumatism, juxta-articular adiposis dolorosa (occurs around the knees)

Contributor Information and Disclosures

Author

Marjan Yousefi, MD, Department of Dermatology, Geisinger Medical Center
Marjan Yousefi, MD is a member of the following medical societies: American Academy of Dermatology and Phi Beta Kappa
Disclosure: Nothing to disclose.

Coauthor(s)

Tammie Ferringer, MD, Teaching Staff, Departments of Dermatology and Pathology, Geisinger Medical Center
Tammie Ferringer, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, and American Society of Dermatopathology
Disclosure: Nothing to disclose.

Nada MacAron, MD, Staff Physician, Department of Pathology, Emory University School of Medicine
Nada MacAron, MD is a member of the following medical societies: College of American Pathologists and United States and Canadian Academy of Pathology
Disclosure: Nothing to disclose.

Medical Editor

Catharine Lisa Kauffman, MD, FACP, Georgetown Dermatology and Georgetown Dermpath
Catharine Lisa Kauffman, MD, FACP is a member of the following medical societies: American Academy of Dermatology, American Medical Association, Royal Society of Medicine, Society for Investigative Dermatology, and Women's Dermatologic Society
Disclosure: Nothing to disclose.

Pharmacy Editor

David F Butler, MD, Professor of Dermatology, Texas A&M University College of Medicine; Chair, Department of Dermatology, Director, Dermatology Residency Training Program, Scott and White Clinic, Northside Clinic
David F Butler, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, American Medical Association, American Society for Dermatologic Surgery, American Society for MOHS Surgery, Association of Military Dermatologists, and Phi Beta Kappa
Disclosure: Nothing to disclose.

Managing Editor

Rosalie Elenitsas, MD, Herman Beerman Associate Professor of Dermatology, University of Pennsylvania School of Medicine; Director, Penn Cutaneous Pathology Services, Department of Dermatology, University of Pennsylvania Health System
Rosalie Elenitsas, MD is a member of the following medical societies: American Academy of Dermatology and American Society of Dermatopathology
Disclosure: Nothing to disclose.

CME Editor

Catherine Quirk, MD, Clinical Assistant Professor, Department of Dermatology, Brown University
Catherine Quirk, MD is a member of the following medical societies: Alpha Omega Alpha and American Academy of Dermatology
Disclosure: Nothing to disclose.

Chief Editor

Dirk M Elston, MD, Director, Department of Dermatology, Geisinger Medical Center
Dirk M Elston, MD is a member of the following medical societies: American Academy of Dermatology
Disclosure: Nothing to disclose.

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