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thrombotic microangiopathy
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,…

Thrombotic Microangiopathy
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…

Antiphospholipid Antibody Syndrome
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…


thrombotic microangiopathy
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?   …

L. Nich Cossey, MD
By L. Nich Cossey, MD
Thrombotic Microangiopathy, renal biopsy, arkana laboratories, glomerulus
Diagnose This!

Diagnose This! (April 3, 2017)

What is your diagnosis?   …

L. Nich Cossey, MD
By L. Nich Cossey, MD