Pathnologic @pathnologic
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clinical lymphadenitis carcinoma papillary thyroid acinic aplasia brasiliensis cancer diffuse earlyphase giant gross hematology herpes histiocytes hobnail hsv paracoccidioides parvovirus
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
of late phase HIV ... C" in HIV Lymphadenitis ... with late phase HIV ... #PatternC #Pathology ... #Microscopy #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
KyleBradleyMD "Pattern ... Warthin-Finkeldey type giant cells ... Monocytoid B cells ... #Pathology #Microscopy ... #LymphNode #Clinical
Herpes Simplex Virus Lymphadenitis • Expanded paracortex • HSV-infected cells are present in areas
paracortex • HSV-infected ... cells are present ... Lymphadenitis #HSV ... #Pathology #Microscopy ... #Clinical #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
fibrosis (A) and well-formed ... seen within giant cells ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
Signet ring cell ... #SignetRing #Cell ... #Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
Hobnail variant of PTC ... cytoplasm, hobnail cells ... pleomorphism beyond usual PTC ... Thyroid #Carcinoma #Pathology ... #Clinical #Microscopy
Pity this Giant Pronormoblast from an elderly pt w pure red cell aplasia. In the proper
from an elderly pt ... w pure red cell ... Aplasia #Parvovirus #Pathology ... #Smear #Microscopy
Diffuse Sclerosis Variant—PTC - Rare variant of PTC - Approximately 3% ofall PTC
Sclerosis Variant—PTC ... • Carcinoma cells ... around the tumor cells ... Thyroid #Cancer #Pathology ... Clinical #Gross #Microscopy
Salivary acinic cell carcinoma is usually an H&E diagnosis for me- but this zymogen-granule poor variant
Salivary acinic cell ... characteristic staining pattern ... Salivary #Acinic #Cell ... #Carcinoma #Pathology ... #Microscopy #Clinical
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