Pathnologic @pathnologic
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clinical lymphadenitis hiv nejm acinic bloodsmear brasiliensis carcinoma derm earlyphase herpes histiocytes honc paracoccidioides patterna peripheralbloodsmear rash salivary scc scca
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
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
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
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
A normal peripheral ... appearance of red blood cells ... #Clinical #Path ... #Microscopy #PeripheralBloodSmear ... #BloodSmear #Normal
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
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
staining confirmed a normal ... and meatball” pattern ... Clinical #Derm #Pathology ... TineaVersicolor #Rash #Microscopy
Squamous-Cell Carcinoma of the Tongue - Intraoral examination revealed a well-circumscribed superficial ulcer, with a homogeneous
Squamous-Cell Carcinoma ... red and white patch ... invasive squamous-cell ... B) #Clinical #Pathology ... Tongue #Squamous #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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