Pathologist who loves a good diagnostic puzzle 🔬 | Educator at heart | Here to share cases, tips & the occasional plot twist under the microscope
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ALT colorectal adenocarcinoma with HER2 expression
ALT colorectal adenocarcinoma with HER2 expression
ALT colorectal adenocarcinoma with HER2 expression
ALT H&E staining. Skin biopsy: intact epidermis and a dermal tumor composed of clear cells, separated by a prominent network of thin-walled vessels.
ALT H&E staining. Skin biopsy: intact epidermis and a dermal tumor composed of clear cells, separated by a prominent network of thin-walled vessels.
ALT H&E stain. High-power view showing tumor cells with abundant clear cytoplasm and small, round, uniform nuclei. Thin-walled vessels are visible between tumor cell nests.
ALT H&E stain. High-power view showing tumor cells with abundant clear cytoplasm and small, round, uniform nuclei. Thin-walled vessels are visible between tumor cell nests.
ALT Illustrated diagram showing p63 expression across three breast tumor types. Tumor 1 (G1/G2 NST): uniformly blue cells, p63-negative. Tumor 2 (G3 NST): predominantly blue cells with scattered brown cells, p63-positive, triggered by TP53 mutation. Tumor 3 (Metaplastic carcinoma): predominantly brown cells, p63-strongly positive. An arrow along the bottom indicates increasing basal program activation, aggressiveness, and stem-cell phenotype from left to right.
ALT Gastric mucosa with atypical cells showing pleomorphic nuclei and abundant cytoplasm, consistent with metastatic melanoma.
ALT Gastric mucosa with atypical cells showing pleomorphic nuclei and abundant cytoplasm, consistent with metastatic melanoma. PanCK IHC
ALT Gastric mucosa with atypical cells showing pleomorphic nuclei and abundant cytoplasm, consistent with metastatic melanoma. CD45 IHC
ALT Gastric mucosa with atypical cells showing pleomorphic nuclei and abundant cytoplasm, consistent with metastatic melanoma. S100 IHC
