Case of Tubular Adenosis of Breast 🔬
Tubular adenosis shows apparent haphazard proliferation of elongated ductules in a characteristic longitudinal growth pattern without lobulocentric arrangement and may mimic tubular carcinoma.
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A great example of malakoplakia of the bladder showing characteristic sheets of histiocytes with granular eosinophilic cytoplasm (von Hansemann cells) and numerous round concentrically layered intracytoplasmic inclusions (Michaelis-Gutmann bodies) #Pathology#PathTwitter
Case of Metastatic Renal Cell Carcinoma 🔬
RCC can metastasize to the breast years later—sometimes without known history—posing a diagnostic pitfall, particularly given its rarity in the breast.
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🧬 Molecular Rotation is over 😢 + time to 📚 for Boards....
Medullary Carcinoma subtypes can be seen in both breast and colon
Both have similar histologic appearance
But in Breast, it's associated with BRCA1.
In Colon, it's associated w microsatellite instability
#pathx
A case you don't see everyday 🔬
Colonic adenosquamous carcinoma.
A question for the #GIPath people: does MMR, BRAF, and RAS status 🧬 have the same therapeutic importance in oncologic management of metastatic colonic adenosquamous carcinoma as in ADC NOS?
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