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Date: 1 February 2024: Source: Own work. Reference for findings: Carlos C. Diez Freire, M.D., Shahla Masood, M.D.. Apocrine metaplasia.Pathology Outlines.
For breast pathology, also in distinguishing usual ductal hyperplasia (UDH) and papillary lesions (having a mosaic-like pattern) from ductal carcinoma in situ, which is usually negative. [1] Cyclin D1 and CK5/6 staining could be used in concert to distinguish between the diagnosis of papilloma (Cyclin D1 < 4.20%, CK 5/6 positive) or papillary ...
Accessory breasts, also known as polymastia, supernumerary breasts, or mammae erraticae, is the condition of having an additional breast. These extra breasts may appear with or without nipples or areolae. The condition, a form of atavism, is most commonly observed in males and is generally harmless, often going untreated.
Printable version; Page information; ... Histology of lactating breast, H&E stain. Date: 15 January 2024: ... Pathology Outlines. Last author update: 2 August 2021;
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Usual ductal hyperplasia (UDH) is a benign lesion of the breast wherein cells look very similar to normal. It is a spectrum of changes that can range from minimal stratification of cells to proliferations that are just short of atypical ductal hyperplasia .
Fig. 2 Breast apocrine carcinoma Fig. 3 Breast apocrine carcinoma. The microscopic histopathology of PACB tumors prepared with hematoxylin and eosin staining shows that >90% of the tumors consist of apocrine gland-like tissue. The lesions must also show that tumor cells have broken through their ducts of origin to invade adjacent tissue in at ...
The basal-like carcinoma is a recently proposed subtype of breast cancer defined by its gene expression and protein expression profile. [1]Breast cancer can be divided into five molecular subtypes, including luminal subtype A, luminal subtype B, normal breast-like subtype, HER-2 overexpression subtype, and basal-like subtype. [2]