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1
المؤلفون: William P. Cooney, Stephen W. Carmichael, Tyson K. Cobb
المصدر: Journal of hand surgery (Edinburgh, Scotland). 19(1)
مصطلحات موضوعية: Wrist Joint, medicine.medical_specialty, Hook, Wrist, Retinaculum, Cadaver, medicine.artery, medicine, Humans, Ulnar nerve, Ulnar artery, Carpal Bones, Ulnar Nerve, Transplantation, business.industry, Endoscopy, Anatomy, musculoskeletal system, Neurovascular bundle, Hand, Carpal Tunnel Syndrome, Endoscopic carpal tunnel release, Surgery, body regions, medicine.anatomical_structure, sense organs, business
الوصف: The boundaries of Guyon’s canal have recently been redefined by a series of anatomical dissections. These showed that the confines of this space do not extend from the pisiform to the hook of the hamate, as currently accepted. The fascial roof extends radial to the hook of the hamate, which allows the ulnar neurovascular bundle to course radial to the hamate hook. The position of the ulnar nerve and artery is of particular significance for endoscopic carpal tunnel release. Most endoscopic devices are designed to divide the flexor retinaculum just to the radial aspect of the hamate hook. Utilizing cross-sectional analysis of nine cadaver specimens, we found the ulnar artery to course radial to the hamate hook in five and palmar to it in four. Therefore, the ulnar artery may be at greater risk of injury during endoscopic procedures than previously recognized.
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2
المؤلفون: M. Spinner, Stephen W. Carmichael, Robert J. Spinner
المصدر: Journal of hand surgery (Edinburgh, Scotland). 16(3)
مصطلحات موضوعية: musculoskeletal diseases, Adult, Male, medicine.medical_specialty, Neurological complication, Brachial fascia, Pectoralis Muscles, Peripheral nerve, Medicine, Humans, Ulnar nerve entrapment, Ulnar Nerve, Transplantation, business.industry, Nerve Compression Syndromes, Anatomy, Medial epicondyle of the humerus, musculoskeletal system, Neurovascular bundle, medicine.disease, Clavicle, Surgery, body regions, Axilla, medicine.anatomical_structure, business
الوصف: The chondroepitrochlearis muscle is an extremely rare muscle, arising from the pectoralis major, crossing over the neurovascular bundle in the axilla and inserting into the brachial fascia and medial epicondyle of the humerus. This paper presents the first known neurological complication due to the chondroepitrochlearis muscle.
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