• M Avenel, S Miranda, Y Benhamou, P Michelin, J C Boyer, H Lévesque, and G Armengol.
• Service de médecine interne, Normandie université, UNIROUEN, 76031 Rouen, France.
• Rev Med Interne. 2019 Jul 1; 40 (7): 453-456.

AbstractCarpal tunnel syndrome is a common peripheral neuropathy, usually idiopathic or post-traumatic due to the compression of the median nerve. Numbness and paresthesias in the median nerve distribution are the most common symptoms associated with this condition. Persistent median artery is a rare anatomic variation, thrombosis of this additional artery can be responsible for an acute carpal tunnel syndrome, and patients frequently complain about coldness and acute hand swelling. These unusual features must lead clinicians to think of a vascular cause. The diagnosis can be easily confirmed by using ultrasound doppler, but CT-scan and MRI are sometimes helpful. We describe 2 cases of acute carpal tunnel syndrome due to thrombosed persistent median artery, including a case of thromboangiitis obliterans. These thrombosis might also be due to traumatic causes. No guidelines are currently available to help physicians for the management of carpal tunnel syndrome from thrombosed persistent median artery. Antiplatelet therapy, statin, anticoagulant might be helpful, and surgery has sometimes be reported as effective.Copyright © 2019 Société Nationale Française de Médecine Interne (SNFMI). Published by Elsevier Masson SAS. All rights reserved.

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