Pipestem Capillaries

Features Enlarged Basal lamina: Thickened; PAS positive Complement deposition on endothelium Location Muscle: Endomysium Nerve: Endoneurium Associated with extravasated RBCs or hemosiderin Associated disorders Diabetes: Multifocal neuropathy; Lumbosacral plexopathy Necrotic myopathy H & E stain

NADH stain

PAS stain