A 27-year-old Malay male sought treatment for progressive pain and deformity at the proximal interphalangeal joint of the left middle finger and a painful mass like swelling along the ventral aspect of the wrist. He was known to have episodes of joint pain in the past. On examination, there was a flexion deformity at the proximal interphalangeal joint with extension of the distal interphalangeal joint noted at the third digit of the left hand. A tender swelling was also noted along the palmar side of the wrist and midhand. Radiograph of the left hand and post contrast magnetic resonance imaging (MRI) of the left wrist have been provided. The radiograph shows the presence of Boutonniere deformity (Fig. 1.). The MRI shows the presence of enhancing mass in the carpal tunnel (Fig. 2.).
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