A 61-year-old man had tumors that gradually increased in size in both hands for 7 years. Initially, these masses were pea sized and were located at the palmar side of the index, middle, and ring fingers. Subsequently, multiple masses in the size range of 2.0 cm × 2.0 cm to 3.0 cm × 4.0 cm were observed, accompanied with flexion restriction of the metacarpophalangeal joint. Plain radiographs (Figure 1) revealed multiple soft tissue–density masses in the hand and wrist. Adjacent bones showed solid periosteal reactions in multiple proximal phalanges and the thumb metacarpal. Dystrophic calcification was found at the palmar side of the right middle finger.
Zhang X, Li J. Neurothekeomas: Multiple Symmetric Tumors in Both Hands. JAMA Neurol. 2018;75(12):1565. doi:10.1001/jamaneurol.2018.2610
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