Pathnologic @pathnologic
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Path Geek - All things #pathology
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clinical pathology lymphadenitis carcinoma hiv acinic arm brasiliensis derm dermatology disease earlyphase graft gvhd hallmarks histiocytes host hsv medullary nejm
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph ... 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
Herpes Simplex Virus ... • HSV-infected cells ... DennisOMalleyMD) #Herpes ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph ... KyleBradleyMD "Pattern ... infection) - "Pattern ... #Pathology #Microscopy ... #LymphNode #Clinical
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
Here are the morphological hallmarks of Rhabdomyosarcoma. - Broken arrow sign - tad-pole rhabdomyoblasts
Here are the morphological ... rhabdomyoblasts - Wraith cells ... Hallmarks #Pathology #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
Acute Graft versus Host disease: vacuolar interface dermatitis w/ lymphoexocytosis, dyskeratotic keratinocytes, notable satellite cell necrosis.
notable satellite cell ... after BMT like here ... disease #Pathology #Microscopy
Olfactory Neuroblastoma Pathology Morphology and other IHC clinched the diagnosis of olfactory neuroblastoma here. The tumor had
neuroblastoma here ... sustentacular cells ... Neuroblastoma #Pathology #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
Grouped Pustules on an Erythematous Base - On physical examination, grouped, coalescing pustules that had scalloped
Microscopic examination ... multinucleated giant cells ... Derm #Pathology #Herpes ... Tzsanck #Smear #Microscopy
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