What is the differential diagnosis for a formerly active and healthy 70-year-old woman with worsening proximal weakness, torticollis, and a widespread raised red rash across her cheeks bilaterally?

A 30-year-old African-American woman presented to the emergency department for medical assessment after becoming too weak to walk. She reported proximal muscle aches in both arms and legs, a skin rash ...

Dr. Chidiebere D. Akusobi (Medicine): A 44-year-old woman was evaluated in the rheumatology clinic of this hospital because of proximal muscle weakness and myalgia. The patient had been in her usual ...

Immune-mediated necrotizing myopathy typically presents with progressive symmetrical proximal muscle weakness and myalgias, although some cases can present with respiratory and esophageal muscle ...

Classic DM (CDM) presents with pathognomonic cutaneous findings and progressive, symmetric proximal muscle weakness. Cutaneous disease usually precedes the appearance of myositis by 3–6 months in ...

Muscle ultrasound may be a useful tool in diagnosing later-onset spinal muscular atrophy (SMA), according to a new study that compared the technique to physical examinations and electromyography (EMG) ...