Pathnologic @pathnologic
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clinical microscopy pathology lymphadenitis hiv acutetubularnecrosis atn brasiliensis cell chondroid disease earlyphase focal heck herpes histiocytes hyperplasia paracoccidioides path patterna
Herpes Simplex Virus Lymphadenitis • Expanded paracortex • HSV-infected cells are present in areas
paracortex • HSV-infected ... Lymphadenitis #HSV ... Microscopy #Clinical #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
of late phase HIV ... "Pattern C" in HIV ... with late phase HIV ... pattern C #HIV ... Pathology #Microscopy #LymphNode
Focal epithelial hyperplasia/Heck disease. Acanthotic squamous epithelium with widened, confluent rete ridges, mild koilocytic change, and
Focal epithelial ... Acanthotic squamous epithelium ... Usually caused by HPV ... LisaRooperMD #Focal #epithelial
Paracoccidioides brasiliensis Lymphadenitis: Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
hyperplasia typical of HIV ... in early phase HIV ... "Pattern A" in HIV ... Monocytoid B cells #HIV ... Pathology #Microscopy #LymphNode
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode
Acute tubular necrosis - Note necrosis and sloughing of epithelial cells of the proximal convoluted tubules.
and sloughing of epithelial
A case of chondroid syringoma. Also called eccrine mixed tumor or mixed tumor of skin. Morphologically
bland appearing epithelial
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