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Flat epithelial atypia (FEA) increasingly is being recognized as a pathologic entity on core needle biopsies. However, definitive management of this columnar cell lesion remains debatable because its malignant potential is unknown.
A PubMed search for "flat epithelial atypia" and "columnar cell lesions" was performed.
FEA commonly was encountered in the background of higher-grade lesions such as atypical ductal hyperplasia, ductal carcinoma in situ, and tubular and lobular carcinomas. Its molecular and cytogenetic profile revealed some alterations similar to precancerous lesions. Pure FEA on core needle biopsies was upgraded to higher-grade lesions on subsequent surgical excision.
Current management of FEA is best achieved through a multidisciplinary review considering various factors to determine if surgical excision is warranted. Further studies are required to elucidate the malignant potential of this columnar cell lesion.
Division of General Surgery, McGill University Health Center, Montreal, Quebec, Canada.
This article was published in the following journal.
Name: American journal of surgery
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A mixed epithelial and myoepithelial neoplasm usually encountered within the breast. It is a multinodular lesion presenting with a bicellular pattern of proliferating epithelial and myoepithelial cells, which are regularly distributed in the glandular structures.
The application of methods designed to reduce the risk of harm associated with certain behaviors without reduction in frequency of those behaviors. The risk-associated behaviors include ongoing and active addictive behaviors.
A fluid-filled closed cavity or sac that is lined by an EPITHELIUM and found in the BREAST. It may appear as a single large cyst in one breast, multifocal, or bilateral in FIBROCYSTIC BREAST DISEASE.
The perceiving of attributes, characteristics, and behaviors of one's associates or social groups.
Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction.
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