eMedicine Specialties > Dermatology > Pediatric Diseases

Supernumerary Nipple: Differential Diagnoses & Workup

Author: Aryeh Metzker, MD, Consulting Staff, Department of Pediatric Dermatology, Senior Clinical Lecturer, Department of Dermatology, Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University
Contributor Information and Disclosures

Updated: Jun 26, 2008

Differential Diagnoses

Amniocentesis scar
Macule
Dermatofibroma
Monitoring scar
Hidradenitis Suppurativa
Neurofibroma
Lipomas
Pigmented nevus
Lymphadenitis
Skin tag
Lymphangioma
Warts, Nongenital

Workup

Histologic Findings

The histologic features of a SN are identical to that of the regular nipple, including hyperpigmentation, slight hyperkeratosis with epidermal thickening, pilosebaceous structure of Montgomery areolar tubercles, smooth muscle bundles typical of the areola, and possible mammary glands and intradermal straight ducts.36 A significant increase in the number of clear cells of Toker has been found in SN tissue, indicating SN may be a precursor of extramammary Paget disease.37

More on Supernumerary Nipple

Overview: Supernumerary Nipple
Differential Diagnoses & Workup: Supernumerary Nipple
Treatment & Medication: Supernumerary Nipple
Follow-up: Supernumerary Nipple
Multimedia: Supernumerary Nipple
References
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References

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Further Reading

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Keywords

accessory nipples, polythelia, SN, polymastia, extra nipples

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Contributor Information and Disclosures

Author

Aryeh Metzker, MD, Consulting Staff, Department of Pediatric Dermatology, Senior Clinical Lecturer, Department of Dermatology, Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University
Disclosure: Nothing to disclose.

Medical Editor

Mark A Crowe, MD, Assistant Clinical Instructor, Department of Medicine, Division of Dermatology, University of Washington School of Medicine
Mark A Crowe, MD is a member of the following medical societies: American Academy of Dermatology and North American Clinical Dermatologic Society
Disclosure: Nothing to disclose.

Pharmacy Editor

Michael J Wells, MD, Associate Professor, Department of Dermatology, Texas Tech University Health Sciences Center
Michael J Wells, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, American Medical Association, and Texas Medical Association
Disclosure: Nothing to disclose.

Managing Editor

Robert A Schwartz, MD, MPH, Professor and Head of Dermatology, Professor of Medicine, Professor of Pediatrics, Professor of Pathology, Professor of Preventive Medicine and Community Health, UMDNJ-New Jersey Medical School
Robert A Schwartz, MD, MPH is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, American College of Physicians, and Sigma Xi
Disclosure: Nothing to disclose.

CME Editor

Glen H Crawford, MD, Assistant Clinical Professor, Department of Dermatology, University of Pennsylvania School of Medicine; Chief, Division of Dermatology, The Pennsylvania Hospital
Glen H Crawford, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, American Medical Association, Phi Beta Kappa, and Society of USAF Flight Surgeons
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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