Glomus tumors are rare vascular tumors that are found most commonly in the hand. Although the tumors are benign, they can cause intense focal pain. Patients often go undiagnosed or misdiagnosed for many years because the tumors are small, usually not palpable, and have varying presentations. A combination of magnetic resonance imaging and clinical examination is used to support the diagnosis. Surgical excision normally provides complete pain relief. An awareness of the diagnosis is critical to preventing an unnecessary delay in treatment.
The dart thrower's path defined the transition between flexion and extension rotation of the scaphoid and lunate, and it identified wrist positions at which scaphoid and lunate motion approached zero. These findings indicate that this path of wrist motion confers a unique degree of radiocarpal stability and suggests that this direction, rather than the anatomical directions of wrist flexion-extension and radioulnar deviation, is the primary functional direction of the radiocarpal joint.
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