Lobular carcinoma in situ of the breast within a fibroadenoma. A case report.
BACKGROUND
Fibroadenoma is a benign breast tumor that is effectively treated by local excision. Although uncommon, breast fibroadenoma may harbor breast carcinoma, either in situ or invasive.


METHODS
We present a 27-year-old woman who presented for the management of an apparently benign mass in the right breast. The clinician and ultrasonographic characters of the mass were indicative of a breast fibroadenoma. A local excision of the mass was performed. Histology showed the presence of LCIS within the fibroadenoma. After a detailed discussion with the patient about the available management options, the conservative approach (which includes local excision/biopsy only and regular follow-up) was preferred.


CONCLUSIONS
LCIS within a breast fibroadenoma is a rare entity. Carcinomas arising within a fibroadenoma have the same biological behavior as those arising independently and, therefore, their management should be the same. Close surveillance following local excision/biopsy is the preferred management for LCIS within a fibroadenoma.
Stafyla
Vania
V
Department of Surgery, 251 Hellenic Air Force (HAF) Hospital, Arkadias 19-21, Athens 115 26, Greece.
Kotsifopoulos
Nikolaos
N
Grigoriades
Kyriakos
K
Kassaras
George
G
Sakorafas
George H
GH
D000328:Adult; D001943:Breast Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D002278:Carcinoma in Situ / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D018275:Carcinoma, Lobular / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D005260:Female; D018226:Fibroadenoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006801:Humans