Heterozygous laminin β2 mutation in C3 glomerulopathy.

C3 glomerulopathy is usually seen with the presence of C3 nephritic factor, homozygous or heterozygous mutations in the regulatory complement proteins factor H, factor I, or C3. We describe the presence of heterozygous laminin β2 mutation in a patient of C3 glomerulonephritis with ocular and central nervous system involvement, the significance of which is unknown.

Diabetic muscle infarction: An unusual cause of acute limb pain in patients on maintenance hemodialysis.

Diabetic muscle infarction is underdiagnosed complication occurring in dialysis patients with advanced diabetes mellitus. Atherosclerotic vascular disease and long-standing diabetes are risk factors for this painful condition. Most common presenting symptom is localized pain in the affected limb.