Erosive adenomatosis of the nipple

Synonym(s)

Benign papillomatosis of the nipple; florid papillomatosis of the nipple; papillary adenoma of the nipple; subareolar adenomato-sis; papillomatosis of the subareolar ducts

Definition

Benign tumor of the nipple, with apocrine differentiation

Pathogenesis

Hamartomatous proliferation of the lactiferous ducts

Clinical manifestation

Asymptomatic-to-slightly-pruritic, unilateral, eroded, crusted plaque on the nipple; nipple discharge sometimes occurs pre-menstrually

► Trichoepithelioma

Epithelioma contagiosum

► Molluscum contagiosum

Differential diagnosis

Paget's disease of the breast; contact dermatitis; basal cell carcinoma; apocrine gland tumors; hidradenitis suppurativa

Therapy

Excision of the nipple and subareolar tissue*

Epithelioma cuniculatum

► Verrucous carcinoma

References

Montemarano AD, Sau P, James WD (1995) Superficial papillary adenomatosis of the nipple: a case report and review of the literature. Journal of the American Academy of Dermatology 33(5 Pt 2):871-875

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