Radiology, Vol 181, 751-755, Copyright © 1991 by Radiological Society of North America

ARTICLES

Benign papillary neoplasms of the breast: mammographic findings

G Cardenosa and GW Eklund
Susan G. Komen Breast Center, Peoria, IL 61614.

The clinical presentation, pathologic characteristics, and mammographic/ductographic (also known as galactographic) findings were reviewed in 77 patients with histologically proved benign papillary neoplasms of the breast. Patients were classified as having either solitary or multiple papillomas. Patients with multiple papillomas were further subclassified as having either central or peripheral papillomas. Fifty-one patients (66%) had solitary papillomas. Thirty- seven of these patients were symptomatic; 36 had spontaneous nipple discharge, and one had a palpable mass. Ductography was positive in 32 of the 35 patients who underwent the procedure. In the 14 asymptomatic patients, subareolar (n = 10) and peripheral (n = 4) mammographic abnormalities prompted biopsy. Fourteen patients (18%) had multiple peripheral papillomas, and one patient also had bilateral central solitary papillomas. Eleven of these patients were asymptomatic, while two presented with palpable abnormalities and one with spontaneous bilateral discharge. Mammographic findings included microcalcifications (n = 5) and clustering nodules (n = 2). Associated atypical ductal hyperplasia was found in six (43%) of the 14 patients with multiple peripheral papillomas. Some of these patients also had lobular carcinoma in situ and radical scars. Twelve patients had multiple central papillomas; all presented with spontaneous nipple discharge and had positive ductograms.

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