BRMH vs mesothelial neoplasia; benign vs malignant mesothelial proliferations
Even seasoned surgical pathologists who have established expertise in the diagnosis of malignant mesothelioma (MM) can disagree about whether a pleural biopsy represents MM or atypical epithelioid mesothelial hyperplasia (AEMH).
Clinics
When this question arises, the pathologist is well advised to inquire into the clinical features, radiographic findings, and the surgeon’s assessment of the pleura at the time of (...)
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Ontology
Articles
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benign reactive mesothelial hyperplasia vs neoplasia
5 January 2015 -
endometrial atrophy
2 April 2017|PO
Types
endometrial simple atrophy
endometrial cystic atrophy
Synopsis
low cuboidal endometrial epithelium or columnar endometrial epithelium
no mitotic figures
tubular endometrial glands or cystic endometrial glands =/- closely packed endometrial glands
possible cystic atrophy of endometrial glands : endometrial cystic atrophy
inactive endometrial stroma variable collagenization of endometrial stroma minimal mitotic activity of endometrial stroma (...) -
atypical mesothelial hyperplasia
5 January 2015Synopsis
The surface mesothelial cells are several layers thick.
The surface mesothelial cells show marked nuclear irregularities, fibrin, and necrosis.
Micropapillary proliferation of irregularly shaped tubules lining the pleural surface.
Entrapped nest of mesothelial cells in the inflamed stroma.
See also
mesothelial anomalies -
hyaline droplets in Kupffer cell
25 February 2015Pediatric autoimmune hepatitis (AIH) is relatively common and has a characteristic but relatively nonspecific histopathology with a usually prominent lymphoplasmacytic infiltrate.
Hhyaline droplets in Kupffer cells on routine H&E sections should be distinguished from the non-specific granular lysosomal structures frequently found in Kupffer cells in a variety of chronic liver diseases and from erythrophagocytosis.
Hyaline droplets may occur in AIH regardless of the type and correlate (...) -
infectious mononucleosis
20 August 2004IMN; EBV-associated infectious mononucleosis