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The microscopic appearance of a nipple adenoma can be mistaken for carcinoma. [1] Other conditions that have similar symptoms and signs as nipple adenoma include Paget's disease of the breast, other intraductal papillomas, ductal carcinoma in situ (DCIS), syringomatous adenoma of the nipple and subareolar sclerosing duct hyperplasia.
Two types of intraductal papillomas are generally distinguished. The central type develops near the nipple. They are usually solitary and often arise in the years nearing menopause. On the other hand, the peripheral type are often multiple papillomas arising at the peripheral ducts, and are usually found in younger women.
Intraductal papillomas are non-cancerous lesions and commonest in women age 30 to 50. Divided into central and peripheral papillomas, nipple discharge is more frequently observed when they are central. [10] Up to half of women with intraductal papillomas may present with bloody nipple discharge, but it can also be straw-coloured. [4]
A papilloma (plural papillomas or papillomata) (papillo-+ -oma) is a benign epithelial tumor [1] growing exophytically (outwardly projecting) in nipple-like and often finger-like fronds. In this context, papilla refers to the projection created by the tumor, not a tumor on an already existing papilla (such as the nipple).
Galactography or ductography (or galactogram, ductogram) is a medical diagnostic procedure for viewing the milk ducts.The procedure involves the radiography of the ducts after injection of a radiopaque substance into the duct system through the nipple.
Papillomatosis of the breast (PB) is a rare, benign, epitheliosis-like lesion, i.e. an overgrowth of the cells lining the ducts of glands that resembles a papilla (i.e. small rounded protuberance) or nipple-like nodule/tumor.
Atypical ductal hyperplasia (ADH) is the term used for a benign lesion of the breast that indicates an increased risk of breast cancer. [1]The name of the entity is descriptive of the lesion; ADH is characterized by cellular proliferation (hyperplasia) within one or two breast ducts and (histomorphologic) architectural abnormalities, i.e. the cells are arranged in an abnormal or atypical way ...
Florid cutaneous papillomatosis (FCP) is an obligate paraneoplastic syndrome. FCP begins as the sudden onset of numerous cutaneous papillomas that are clinically indistinguishable from viral warts. The papillomas range from 1 to 3 mm in diameter may spread to involve the entire body, including the face.