Difference between revisions of "WSI21-134-Case-46"

From MGH Learn Pathology
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|basedOn=WSI21-134
 
|basedOn=WSI21-134
 
|requisition=Cytology
 
|requisition=Cytology
|reasonCode=63M with new pericardial effusion
+
|reasonCode= 65 year old male with a history of peritoneal mesothelioma. Pelvic cavity fluid
 
|occurrenceDateTime=1969-12-31T18:00:00+00:00
 
|occurrenceDateTime=1969-12-31T18:00:00+00:00
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+
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|supportingInfo=Malignant- Atypical lymphocytes, consistent with involvement by a large cell lymphoma.
+
|supportingInfo=Consistent with involvement by patient's known mesothelioma.
 
 
CB: Immunohistochemical stains show numerous B cells (CD20+) that co-express CD5
 
(dim), Bcl2, Bcl6 (partial) and Mum1, and are negative for CD10. Many
 
non-neoplastic T cells (CD3+, CD5+) are present. MYC stains 20% of large cells
 
and Ki67 shows a proliferation index of approximately 60% in the neoplastic
 
cells.
 
 
 
 
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Latest revision as of 13:37, April 16, 2026


Request type Study
Subspecialty Consistent with involvement by patient's known mesothelioma.
Set Cytology
Topic  65 year old male with a history of peritoneal mesothelioma. Pelvic cavity fluid
Presenter MGH
Date and time Wednesday, December 31, 1969 1:00 PM

LP