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A Rare Case of Lobular Carcinoma in Situ Within a Fibroadenoma
Author(s) -
FUI TIN PANG,
Anat Kornecki,
Kalan Lynn,
Sze Yuen Lee
Publication year - 2022
Publication title -
archives of breast cancer
Language(s) - English
Resource type - Journals
eISSN - 2383-0433
pISSN - 2383-0425
DOI - 10.32768/abc.202291119-122
Subject(s) - lobular carcinoma , fibroadenoma , presentation (obstetrics) , medicine , differential diagnosis , pathology , breast ultrasound , radiology , ductal carcinoma , breast cancer , cancer , mammography
Background: Fibroadenomas (FAs) are common benign breast tumors which account for 68% of all breast masses. They can be divided into simple and complex FAs. Though unusual, FAs can harbor invasive or in situ carcinomas, as well as high risk lesions such as lobular carcinoma in situ (LCIS) as we present in this case report.Case Presentation: In this case report, we are presenting a rare case of LCIS within a FA with a brief description of presentation, classification and radiological features.Conclusion: Carcinomas within FAs remain a diagnostic challenge. Despite being considered benign, FAs should still be closely monitored by ultrasound (US) as they can still harbor in situ or invasive carcinomas or high-risk lesions, including LCIS. Radiologists should always be aware and consider these as part of their differential diagnosis whenever benign looking masses have atypical features or presentation. The current management of LCIS detected within FA is still similar to LCIS found elsewhere in the breast.

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