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Diagnose This!
Diagnose This (January 10, 2022)
This is the H&E from the frozen tissue submitted for IF examined under fluorescent light. In a patient with anemia,…
Teaching Points
Endocapillary Hypercellularity in Thrombotic Microangiopathy
This renal biopsy performed on a 14-year-old boy shows changes diagnostic of a thrombotic microangiopathy (TMA). These changes include frequent…
Teaching Points
Antiphospholipid Antibody Syndrome
This biopsy shows glomerular arteriolar and capillary thrombi characteristic of thrombotic microangiopathy (TMA). Immunofluorescence studies (not shown) are negative for…
Diagnose This!
Diagnose This! (August 14, 2017)
An immunofluorescence panel for IgA, IgG, IgM, C3, C1q, kappa and lambda was negative. What is your diagnosis? …
