Pathnologic @pathnologic
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clinical microscopy pathology lymphadenitis nejm herpes hiv rash smear acinic blood bloodsmear brasiliensis carcinoma ct earlyphase glucagonoma honc hsv paracoccidioides
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
KyleBradleyMD "Pattern ... infection) - "Pattern ... phase between pattern ... Lymphadenitis #PatternC ... Pathology #Microscopy #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
lymphadenitis (so-called "pattern ... KyleBradleyMD "Pattern ... Monocytoid B cells ... Lymphadenitis #PatternA ... Pathology #Microscopy #LymphNode
Herpes Simplex Virus Lymphadenitis • Expanded paracortex • HSV-infected cells are present in areas
• HSV-infected cells ... are present in ... Microscopy #Clinical #LymphNode
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
torso and upper arms ... and meatball” pattern ... #Clinical #Derm
Paracoccidioides brasiliensis Lymphadenitis: Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Nodes, and lungs are ... fibrosis (A) and well-formed ... seen within giant cells ... Lymphadenitis #Pathology #LymphNode
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood cells ... schizocytes, these cells ... Schistocytes are ... shapes of red cells ... a more generic term
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
Grouped Pustules on an Erythematous Base - On physical examination, grouped, coalescing pustules that had scalloped
seen on the left arm ... multinucleated giant cells ... #Clinical #Derm ... Pathology #Herpes #Arm
Glucagonoma-Associated Rash - The rash involved the arms, genitals, and buttocks and had progressed to the
rash involved the arms ... tissue revealed a well-circumscribed ... Clinical #HONC #Derm
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