Pathnologic @pathnologic
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Path Geek - All things #pathology
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pathology lymphadenitis carcinoma papillary ptc variant ait amiodarone center diffuse earlyphase germinal gross herpes histiocytes hiv hobnail hsv medullary melanoma
Paracoccidioides brasiliensis Lymphadenitis: Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis ... granulomas (B). ... seen within giant cells ... Lymphadenitis #Pathology #LymphNode ... #Clinical #Microscopy
Sarcoid in the Thyroid - Pathology Not all thyroid granulomas are subacute thyroiditis- this is sarcoidosis! Can
Sarcoid in the Thyroid ... Pathology Not all thyroid ... granulomas are ... #Thyroid #Pathology ... #Microscopy #Clinical
Herpes Simplex Virus Lymphadenitis • Expanded paracortex • HSV-infected cells are present in areas
• HSV-infected cells ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
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
Amiodarone induced thyroid changes Histopath: Remarkably enlarged follicles, distended with colloid, without scalloping, and lined by flattened
Amiodarone induced thyroid ... flattened follicular cells ... change, Follicular cells ... AIT #Pathology #Clinical ... #Microscopy
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
cytoplasm, hobnail cells ... PTC #Papillary #Thyroid ... Carcinoma #Pathology #Clinical ... #Microscopy
Oncocytic Variant of Medullary Carcinoma Don't assume every oncocytic thyroid tumor is a Hurthle cell neoplasm! Nested
every oncocytic thyroid ... tumor is a Hurthle cell ... here should raise concern ... Carcinoma #Pathology #Microscopy ... #Clinical
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Warthin-Finkeldey type giant cells ... Monocytoid B cells ... PatternA #Pathology #Microscopy ... #LymphNode #Clinical
Diffuse Sclerosis Variant—PTC - Rare variant of PTC - Approximately 3% ofall PTC
• Carcinoma cells ... PTC #Papillary #Thyroid ... #Cancer #Pathology ... #Clinical #Gross ... #Microscopy
Focus of Metastatic Melanoma Colonizing a Germinal Center I thought these big cells were funny immunoblasts- until
Colonizing a Germinal Center ... thought these big cells ... melanoma #germinal #center ... #Pathology #Clinical ... #Microscopy
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