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KMID : 1143020220270040311
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Archives of Hand and Microsurgery
2022 Volume.27 No. 4 p.311 ~ p.314
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Rupture of the extensor digitorum communis tendon in extensor zone V due to plant thorn injuries: a report of two cases
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Jang Min-Gu
Shin Woo-Jin
Heo Youn-Moo
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Abstract
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Penetrating injuries due to a plant thorn in the hand may occur during outdoor activities. We experienced two patients with rupture of the extensor digitorum communis (EDC) tendon in extensor zone V caused by plant thorn injuries. Both patients, presenting with pain and swelling around the third metacarpophalangeal joint, had a history of penetrating injuries due to plant thorns. The injuries had been ineffectively treated with oral antibiotics. Plain radiographs showed soft tissue swelling without a foreign body and bony lesions. Enhanced magnetic resonance imaging confirmed a rupture of the EDC tendon at the third extensor zone V. Tendon ruptures were diagnosed 27 and 60 days after injury, respectively. A plant thorn injury in the hand can cause persistent synovitis around the tendon, and as a result, progress to tendon rupture. A magnetic resonance imaging examination may be helpful if symptoms do not improve for a prolonged period after plant thorn injury.
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KEYWORD
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Plant thorn, Extensor digitorum communis tendon, Magnetic resonance imaging, Rupture
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