Granular degeneration of appendiceal smooth muscle.
D001063:Appendiceal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D001065:Appendix / Q000473:pathology*; D003937:Diagnosis, Differential; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000473:pathology*; D009379:Neoplasms, Muscle Tissue / Q000175:diagnosis / Q000473:pathology*