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Currently filtering by tag: Fat necrosis

EMG Needle Site

EMG Needle Site
Figure 1: Frozen section hematoxylin and eosin; 200x original magnification Note the increased cellularity within the perimysium due to the presence of foamy macrophages (large arrow). The adjacent muscle fibers show some variation in least mean diameter and a few atrophic regenerating fibers are present.   This middle-aged patient presented with a two year history of bilateral lower extremity pain and weakness predominately involving anterior thighs. Electrodiagnostic studies one month prior to muscle biopsy showed minimal myopathic features without evidence for neurogenic change. Lower extremity (3/5) and upper extremity (4/5) weakness and waddling gait were noted on physical examination.  Muscle...