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Erosive adenomatosis of the nipple
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Erosive adenomatosis of the nipple

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Contributors: Connie Zhong, Susan Burgin MD
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Synopsis

Erosive adenomatosis of the nipple (EAN, nipple adenoma, florid papillomatosis, subareolar duct papillomatosis) is a rare benign proliferation of breast lactiferous ducts. Its pathogenesis is unknown.

Peak incidence is in the fifth decade for women. On rare occasions, men and children may develop the condition (usually girls but also reported in boys). The development of the condition is insidious, making diagnosis often incidental or late.

EAN may be asymptomatic, although common symptoms include breast discharge (serous, serosanguinous, or bloody), crusting, pain, and itching. In early stages, pain and pruritus are common, while in later stages, deformities of the nipple and nipple nodularity are more common. EAN is typically unilateral but may occur bilaterally.

Risk factors may include female sex, use of oral contraceptives, and obesity.

Codes

ICD10CM:
N64.59 – Other signs and symptoms in breast

SNOMEDCT:
237467005 – Erosive adenomatosis of nipple

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Last Reviewed: 02/09/2018
Last Updated: 05/14/2019
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Erosive adenomatosis of the nipple
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Erosive adenomatosis of the nipple : Nipple discharge, Pruritus, Painful skin lesion, Skin ulceration
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