A 60-year-old wheelchair-bound female was brought to the clinic with primary complaints of skin tightening in her lower extremities. She complained of a “woody feeling,” which led to restricted movement. She had  diabetic chronic kidney disease and was receiving hemodialysis. She had been hospitalized six months ago due to a minor stroke .

She had a medical history of osteomyelitis. Current medications Darbepoetin (60 μg subcutaneously monthly) Aspirin (81 mg/d orally) Pioglitazone (15 mg/d orally) Furosemide (60 mg/d orally) Primary Examination Blood pressure: 120/70 mm Hg Pulse rate: 72 beats/min Progressive skin tightening Woody and sclerotic appearance of her extremities Non-pitting swelling of her extremities Laboratory results Hemoglobin: 10.5 g/dL Sodium: 140 mEq/L Creatinine: 2.0 mg/dL Potassium: 4.0 mmol/L   What is your diagnosis? (Answer is posted in the comment section…