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OBG · Hypertensive disorders: renal histology
Sample itemA renal biopsy in a woman with pre-eclampsia shows enlarged glomeruli with bloodless capillary loops. Which finding is characteristic?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Swollen glomerular endothelial cells narrowing the capillary lumina
Glomerular capillary endotheliosis is the renal lesion of pre-eclampsia: endothelial swelling, subendothelial fibrin deposits and narrowed lumina without much inflammation. It resolves after delivery. Crescents, wire loops and humps belong to other glomerular diseases.
Option by option
A. Wire-loop lesions with subendothelial immune deposits
Wire-loop lesions with immune deposits suggest lupus nephritis.
B. Swollen glomerular endothelial cells narrowing the capillary lumina (correct)
Correct. Glomerular endotheliosis is the characteristic lesion.
C. Subepithelial humps with neutrophils
Subepithelial humps with neutrophils are typical of post-infectious glomerulonephritis.
D. Crescent formation with fibrin deposits
Crescents with fibrin indicate rapidly progressive glomerulonephritis.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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