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A 56-year-old woman presented to the emergency department with a 3-day history of severe pain in and loss of movement of her right index finger. She reported that for the previous 2 months, she had noted a small, tender lump, with no progression in size, near the finger joint. Marked palmar erythema and a tender, firm swelling overlying the index metacarpophalangeal joint were noted (Panel A). Initially, a flexor-sheath infection was suspected, and antibiotics were administered. However, radiography showed a calcified mass within the flexor digitorum tendon (Panel B, arrow), and calcific tendinitis was diagnosed. Calcific tendinitis may be an . . . [Full Text of this Article] |