A 44-year-old man presented with a progressive proximal weakness for 2 months and an elevated serum creatine kinase (CK) of 17,209 U/L (normal, <22–269 U/L). Physical examination revealed symmetrical Medical…
A 41-year-old man was referred for complaints of muscle weakness, stiffness, and chronic back pain for 10 months. The patient stated that, when he stretched his legs, they would not…
A 62-year-old woman presented with progressive muscle weakness for more than 6 years. She had been previously diagnosed with polymyositis; she was treated with corticosteroids without benefit and subsequently referred…
A 55-year-old man was referred for evaluation of muscle pains at rest, mainly in the thighs and calves and occasionally in the arms, and an elevated serum creatine kinase (CK)….
A 5-year-old boy (son of the patient in Case 98A) presented with muscle stiffness, finger swelling, diffuse erythema, pain in the wrist joints, and difficulty climbing stairs which started 3…
A 36-year-old Black woman presented with progressive muscle weakness of 8 months; she had had increasing difficulty climbing stairs and rising from a chair and later raising her arms above…
A 30-year-old White woman presented with a 7-month history of muscle weakness, pain and stiffness, mild nocturnal fever, and leg swelling. She developed an erythematous rash on the face and…
A 57-year-old right-handed White man with renal failure from glomerulonephritis had been on dialysis for 3 years and was evaluated for weakness and stiffness of his arms and legs which…
A 72-year-old woman presented with a 1-year history of lower extremity weakness and pain with difficulty going upstairs. She denied numbness or tingling paresthesias. Previous workup by the referring neurologist…
A 51-year-old man came with a 4-day history of general malaise, cough, fever, and muscle aches. He had no previous similar episodes. The patient’s parents were first-degree cousins. He required…
