Figure 2From: Paraneoplastic necrotizing myopathy associated with adenocarcinoma of the lung – a rare entity with atypical onset: a case report Vastus lateralis muscle biopsy. Immunohistochemical staining for complement membrane attack complex (MAC) on a section adjacent to that shown in Figure 1. The necrotic fibers (*) show MAC deposition in the membrane and cytoplasm. MAC: immunoperoxidase staining, ×100.Back to article page