Pathnologic @pathnologic
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Path Geek - All things #pathology
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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 ... #Pathology #Microscopy ... #LymphNode #Clinical
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
lymphadenitis (so-called "pattern ... KyleBradleyMD "Pattern ... Lymphadenitis #PatternA ... #Pathology #Microscopy ... #LymphNode #Clinical
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
staining confirmed a normal ... and meatball” pattern ... epidermis (Panel C, arrow ... #Clinical #Derm ... #Pathology #Tinea
Normal Bone Marrow
#Clinical #Path #Microscopy #BoneMarrow #Normal #Marrow
Normal Bone Marrow ... #Clinical #Path ... Microscopy #BoneMarrow #Normal ... #Marrow
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
from the bone marrow ... The arrow points ... Normal maturation ... #Clinical #Path
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Yeast forms (arrows ... Lymphadenitis #Pathology ... #LymphNode #Clinical
Polychromatophilia - Note 2 large blue-gray erythrocytes as seen on H&E stain. On a stain for
When the bone marrow ... reticulocyte is a normal ... #Clinical #Path
Spherocytes - The arrow points to one of many spherocytes in this photo. The cells have
Spherocytes - The arrow ... shape, having the normal ... color and loss of normal ... #Clinical #Path
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
Schistocytes - The arrows ... are one of the abnormal ... Clinical conditions ... #Clinical #Path
Megaloblastic neutrophils in bone marrow.

So-called "giant bands" and "giant metamyelocytes" (blue circles) are 1.5-2 times the
neutrophils in bone marrow ... times the size of normal ... Smear #Hematology #Pathology ... #Clinical