Focal Segmental Glomerulosclerosis
Focal Segmental Glomerulosclerosis

In focal segmental glomerulosclerosis, the segmental lesions are frequently positive for IgM on direct immunofluorescence.
The IgM deposits are not believed to be immune complexes but instead serum proteins that have been entrapped by the sclerosing process.
(Description By:H. Yamase, M.D. )
(Image Contrib. by: UCHC )