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Radiology, Vol 207, 669-673, Copyright © 1998 by Radiological Society of North America
ARTICLES |
CS Giess, DM Keating, MP Osborne, YY Ng and R Rosenblatt
Department of Radiology, New York Hospital-Cornell Medical Center, Strang-Cornell Breast Center, NY 10021, USA.
PURPOSE: To evaluate the clinical, imaging, and histopathologic features of breast carcinoma in the retroareolar tissues and to determine whether there are any characteristics common to this location. MATERIALS AND METHODS: Thirty-five patients (age range, 38-77 years) with 37 retroareolar carcinomas were identified retrospectively. Retroareolar carcinoma was defined as that within 2 cm of the nipple- areolar complex. Mammographically occult tumors were identified by using histopathologic records (n = 4) or clinical examination findings (n = 6). RESULTS: Twenty-nine (78%) tumors had clinical findings, including palpable mass (n = 29), associated nipple inversion or retraction (n = 4), and associated nipple discharge (n = 2). Twenty- seven (73%) tumors had mammographic findings of mass (n = 16), mass with calcifications (n = 5), and microcalcifications (n = 6; four of these microcalcifications were associated with a mammographically occult palpable mass). Ultrasound was performed in 17 tumors, all of which were hypoechoic. The stage of 31 carcinomas was known: one was stage 0, 17 were stage I, and 13 were stage II. Histopathologic analysis revealed 35 ductal carcinomas and two invasive lobular carcinomas. CONCLUSION: Retroareolar carcinoma usually manifests as a palpable mass. Mammography is less sensitive in this area than in other areas of the breast. Ultrasound can be a valuable adjunct in the assessment of retroareolar malignancy.
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