Fig. 1From: Late-onset neuromuscular disorders in the differential diagnosis of sarcopeniaHistopathological findings in muscle biopsies. A: Sarcopenia: Vastus lateralis muscle; immunohistochemistry staining for type-2 muscle fibres; Type-2 fibre atrophy; scale bar 100 µm. B: ALS: Biceps brachii muscle; haematoxylin–eosin-staining; abnormal shaped atrophic fibres, reticular pattern, neurogenic atrophy; scale bar 50 µm, C: IBM: Biceps brachii muscle; haematoxylin–eosin-staining; active inflammation, fibre atrophy, rimmed vacuoles (arrow); scale bar 50 µm. D: DM2: Biceps brachii muscle; haematoxylin–eosin-staining; neurogenic atrophy, increased central placed myonuclei (arrow); scale bar 50 µm. Pictures: Olympus CKX53 microscope; Olympus UC90 camera; Olympus cellSens SoftwareBack to article page