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An unusual case of a 52-year-old woman with tenosynovial osteochondromatosis involving both of the wrist flexor and extensor tendons is reported.

Ganglion cysts are common wrist lesions and, in about 20% of patients, they appear on a volar and radial location. Volar ganglions typically arise from the volar radiocarpal joint in the interval between the radioscaphocapitate (RSC) and the long radiolunate (LRL) ligaments. We report two patients with volar and radial ganglion cysts that originated at the dorsum of the scapholunate (SL) ligament. This may lead to inadequate treatment with a risk of recurrence.

Level of Evidence: Level V (Therapeutic)

Isolated unilateral absence of lunate is an extremely rare condition with only one such case reported in English literature so far. The rarity of this condition can lead to diagnostic dilemma, especially if patient has an old history of trauma or surgery around the wrist, leading to unnecessary intervention and difficulty in ensuring a good surgical outcome. We present such a case and discuss the clinical pointers to the diagnosis of this condition.

Level of Evidence: Level V (Therapeutic)