Introduction
Background
Acrokeratoelastoidosis (AKE) is a rare genodermatosis characterized by small, firm papules or plaques on the sides of the hands and feet. These nodules may result from an abnormality in the secretion or excretion of elastic material by fibroblasts in the dermis. Acrokeratoelastoidosis was first described in 1953 by Costa.1
Both autosomal dominant and sporadic forms have been observed. Acrokeratoelastoidosis is not congenital; it slowly arises at puberty, or sometimes later, and then remains stable. Usually, no treatment is necessary. Acrokeratoelastoidosis is similar to 2 other diseases: keratoelastoidosis marginalis2,3 and focal acral hyperkeratosis.4,5 The clinical and histologic differences among these diseases allow their distinction.
Pathophysiology
The cause of acrokeratoelastoidosis is not known. Autosomal dominant transmission is common, but the clinical expressions vary widely. Acrokeratoelastoidosis-like lesions on the palms of patients have recently been noted in association with systemic or localized scleroderma, possibly due to an altered pattern of connective tissue metabolism similar to that of systemic scleroderma. In 2003, Yoshinaga et al reported on a patient with Acrokeratoelastoidosis in association with localized scleroderma.6 In 2002, Tajima et al found a high rate of Acrokeratoelastoidosis in patients with systemic scleroderma (7 in 26 systemic sclerodermas).7 No other reports have confirmed these findings, and the relationship between these 2 diseases is not conclusive. A possible linkage to chromosome 2 has also been proposed,8 but further studies are needed to confirm this hypothesis.
Frequency
United States
Acrokeratoelastoidosis is rare.
International
The eruption is rare, and when the lesions are few, Acrokeratoelastoidosis often remains unnoticed.
Mortality/Morbidity
Once present, the eruption is stable, with no adverse effects.
Sex
Women appear to be affected more frequently than men.
Age
Acrokeratoelastoidosis is not congenital. It arises at puberty or sometimes later. Some cases have been described in the pediatric dermatologic literature.9
Clinical
History
- The patient may complain of the gradual onset of small bumps over the margins of the hands and feet.
- After onset, the eruption remains stable indefinitely.
- No local or systemic symptoms are associated with acrokeratoelastoidosis. Some reports show acrokeratoelastoidosis in patients with localized or systemic scleroderma, but the relationship between these 2 diseases is not conclusive.
Physical
- A cluster of small, discrete, grouped papules characterizes acrokeratoelastoidosis.
- The papules are usually 2-5 mm in diameter and often occur in a linear distribution. These small round-oval– to rhomboid–shaped yellowish papules are most commonly localized to the palmar surfaces of the hands and, sometimes, on the plantar surfaces of the feet. The margins of both hands and 1 or both feet are the only areas affected. In rare instances, the lesions spread to the dorsum of the hands, feet, or both.
- The papules resemble plane warts, but they are more keratotic and firm; they do not coalesce.
- Some translucency is often evident.
- Occasionally, just a few papules are present.
- A case of acrokeratoelastoidosis has been seen in association with nail dystrophic changes. Further observations may lead to the definition of a new entity.10
Causes
- No local or systemic causes have been identified.
- Autosomal dominant transmission is common.
- Sporadic cases of acrokeratoelastoidosis are also described.
- One report described a patient with endogenous ochronosis showing clinical features similar to acrokeratoelastoidosis.11
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Overview: Acrokeratoelastoidosis |
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References
Costa OG. Akrokerato-elastoidosis; a hitherto undescribed skin disease. Dermatologica. 1953;107(3):164-8. [Medline].
Mengesha YM, Kayal JD, Swerlick RA. Keratoelastoidosis marginalis. J Cutan Med Surg. Jan-Feb 2002;6(1):23-5. [Medline].
Rahbari H. Acrokeratoelastoidosis and keratoelastoidosis marginalis-any relation?. J Am Acad Dermatol. Sep 1981;5(3):348-50. [Medline].
Erkek E, Kocak M, Bozdogan O, Atasoy P, Birol A. Focal acral hyperkeratosis: a rare cutaneous disorder within the spectrum of Costa acrokeratoelastoidosis. Pediatr Dermatol. Mar-Apr 2004;21(2):128-30. [Medline].
Rongioletti F, Betti R, Crosti C, Rebora A. Marginal papular acrokeratodermas: a unified nosography for focal acral hyperkeratosis, acrokeratoelastoidosis and related disorders. Dermatology. 1994;188(1):28-31. [Medline].
Yoshinaga E, Ohnishi Y, Tajima S. Acrokeratoelastoidosis associated with nodular scleroderma. Eur J Dermatol. Sep-Oct 2003;13(5):490-2. [Medline].
Tajima S, Tanaka N, Ishibashi A, Suzuki K. A variant of acrokeratoelastoidosis in systemic scleroderma: report of 7 cases. J Am Acad Dermatol. May 2002;46(5):767-70. [Medline].
Greiner J, Kruger J, Palden L, Jung EG, Vogel F. A linkage study of acrokeratoelastoidosis. Possible mapping to chromosome 2. Hum Genet. 1983;63(3):222-7. [Medline].
Hu W, Cook TF, Vicki GJ, Glaser DA. Acrokeratoelastoidosis. Pediatr Dermatol. Jul-Aug 2002;19(4):320-2. [Medline].
van Steensel MA, Verstraeten VL, Frank J. Acrokeratoelastoidosis with nail dystrophy: a coincidence or a new entity?. Arch Dermatol. Jul 2006;142(7):939-41. [Medline].
Ramesh V, Avninder S. Endogenous ochronosis with a predominant acrokeratoelastoidosis-like presentation. Int J Dermatol. Aug 2008;47(8):873-5. [Medline].
Erbil AH, Sezer E, Koç E, Tunca M, Tastan HB, Demiriz M. Acrokeratoelastoidosis treated with the erbium:YAG laser. Clin Exp Dermatol. Jan 2008;33(1):30-1. [Medline].
Andersen BL, Bierring F. Acrokerato-elastoidosis: a case report. Acta Derm Venereol. 1981;61(1):79-82. [Medline].
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Fiallo P, Pesce C, Brusasco A, Nunzi E. Acrokeratoelastoidosis of Costa: a primary disease of the elastic tissue?. J Cutan Pathol. Nov 1998;25(10):580-2. [Medline].
Haneke E, Schwarzenbach I, Hornstein OP. [Delayed manifestation of Costa's acrokeratoelastosis]. Z Hautkr. Mar 1 1977;52(5):170-2. [Medline].
Jacyk WK. Marginal papular acrokeratodermas: classification. Dermatology. 1995;190(2):178-9. [Medline].
Lewis KG, Bercovitch L, Dill SW, Robinson-Bostom L. Acquired disorders of elastic tissue: Part II. decreased elastic tissue. J Am Acad Dermatol. Aug 2004;51(2):165-85; quiz 186-8. [Medline].
Masse R, Quillard A, Hery B, Toudic L, Le Her G. [Costa's acrokerato-elastoidosis. Ultrastructural study (author's transl)]. Ann Dermatol Venereol. Jun-Jul 1977;104(6-7):441-5. [Medline].
Matthews CN. Acrokerato-elastoidosis (without elastorrhexis). Proc R Soc Med. Dec 1974;67(12 Pt 1):1237-8. [Medline].
Matthews CN, Harman RR. Acrokerato-elastoidosis in a Somerset mother and her two sons. Br J Dermatol. Jul 1977;97 Suppl 15:42-3. [Medline].
Rahbari H. Concerning the article "Acrokerato-elastoidosis. Apropos of 2 cases". Ann Dermatol Venereol. 1987;114(6-7):867-8. [Medline].
Sehgal VN, Singh M, Korrane RV, Nayyar M, Chandra M. Degenerative collagenous plaque of the hand (linear keratoelastoidosis of the hands). A variant of acrokeratoelastosis. Dermatologica. 1980;161(3):200-4. [Medline].
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Further Reading
Keywords
acrokeratoelastoidosis, Costa acrokeratoelastoidosis, Costa's acrokeratoelastoidosis, AK, AKE, keratoelastoidosis marginalis, type III punctate palmoplantar keratoderma, type 3 punctate palmoplantar keratoderma, focal acral hyperkeratosis
Overview: Acrokeratoelastoidosis