Neuromuscular

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

H & E stain


NADH stain


PAS stain

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1/26/2003