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주관절 척골신경병증에서 병변 국속화를 위한 신경전도검사
김봉주,김동휘,이지훈,박병규 대한근전도전기진단의학회 2012 대한근전도 전기진단의학회지 Vol.14 No.2
Objectives: To compare abductor digiti minimi (ADM) recording with first dorsal interosseous (FDI) recording for the localization of ulnar neuropathy at the elbow (UNE) with electrodiagnostic study and inching test. Methods: Eighty-seven hands with UNE were collected. Compound muscle action potentials were recorded from both ADM and FDI muscles and ulnar nerve was stimulated at the wrist, 3 cm distal and 7 cm proximal to the medial epicondyle. One cm short segment study of ulnar nerve was performed from 4cm distal to 3 cm proximal to the medial epicondyle by inching test. Results: UNE was diagnosed in 83 out of 87 hands with ADM recording and 84 out of 87 hands with FDI recording. Seven hands had nonconcordant abnormal findings along the recording site. In the inching test, 12 hands were not localized and 12 hands was localized with only one muscle recording. 48 hands showed same localization and 15 hands showed different localization with both ADM and FDI recordings. Conclusion: Since the result can differ according to the location of the recording electrode, motor conduction study and inching test of ulnar nerve should include recording from both ADM and FDI muscles.
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박성준(Sung Jun Park),권용탁(Yong Tak Kwon),이동주(Tong Joo Lee) 대한정형외과학회 2021 대한정형외과학회지 Vol.56 No.1
비정상 근육에 의한 척골관 증후군의 발생은 소지외전근의 부근육, 장장근에 의한 것으로 알려져 있고 증상을 유발하는 경우가 드물기 때문에 국내에서는 아직 보고되지 않았다. 저자들은 척골관 증후군을 주소로 내원한 환자에서 소지외전근 부근육을 발견하고 수술적 치료를 시행한 사례를 경험하였다. 척골관 증후군을 호소하는 환자에서 비정상 근육이 척골관 증후군의 원인이 될 수 있음을 염두해 두고 접근하는 것이 중요하겠다. Ulnar tunnel syndrome by anomalous muscles has not been reported in Korea because it is asymptomatic in most cases. The most common anomalous muscles are the accessory abductor digiti minimi and palmaris longus. This is a case report of a patient with ulnar tunnel syndrome at the wrist by the accessory abductor digiti minimi muscle. For patients with ulnar tunnel syndrome, it is important to consider that anomalous muscles can cause ulnar tunnel syndrome.
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An Anatomic Variation of the Accessory Abductor Digiti Minimi Muscle
Mi-Sun Hur(허미선),Kyu-Seok Lee(이규석) 대한체질인류학회 2012 해부·생물인류학 (Anat Biol Anthropol) Vol.25 No.3
Guyon’s canal을 지나는 덧근육은 흔하게 발견되며, 그 중 가장 많이 관찰되는 근육은 새끼벌림근 덧근육이다. 이 연구의 목적은 새끼벌림근 덧근육의 해부학적 변이를 나타내고, 주위구조와의 관계를 기술하는데 있다. 새끼벌림근 덧근육은 61세 남자 시신의 왼쪽 팔에서 관찰되었다. 새끼벌림근 덧근육의 형태, 경로, 주위구조와의 관계에 초점을 맞추어 해부하였다. 새끼벌림근 덧근육은 아래팔근막에서 일어나 아래쪽으로 내려왔고, Guyon’s canal에서 자신경을 비스듬히 덮으며 지나갔다. 새끼벌림근 덧근육은 새끼두덩부위에서 힘줄이 되었고, 새끼벌림근의 힘살 일부가 이 힘줄에 부착되었다. 이 힘줄은 다섯째 손허리뼈머리의 자쪽면에 닿았다. 새끼벌림근 덧근육에는 자신경줄기에서 나온 가지가 분포하였다. 이 결과는 새끼벌림근 덧근육에 대한 해부학적 자료를 제공함으로써, 이 근육의 진단과 수술에 도움이 될 것으로 기대된다. Accessory muscles passing through Guyon’s canal are common; the most common anomalous muscle at Guyon’s canal is the accessory abductor digiti minimi muscle (AADM). The aim of this study was to demonstrate and describe the gross anatomy of an anatomic variant of the AADM relative to the surrounding structures. The AADM was found in the left forearm and hand of a 61-year-old male cadaver during dissection in a gross anatomy course. It was observed by focusing on the shape, the course, and its relationship with the surrounding structures. The AADM originated as muscle fibers from the antebrachial fascia. It coursed downward in the distal forearm and crossed the ulnar nerve and artery obliquely at Guyon’s canal. The AADM narrowed and became a long tendon in the hypothenar region. The abductor digiti minimi muscle was partly attached to the tendon of the AADM, running along the tendon. The tendon of the AADM inserted into the ulnar side of head of the fifth metacarpal bone. The AADM was innervated by several twigs from the ulnar nerve. We reported herein another variant of the AADM at Guyon’s canal, which may be helpful to surgeons performing diagnoses and surgical procedures.
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척골관에서 부 소지외전근에 의한 척골 신경의 압박신경병증: 증례 보고
이준상,김제균,황종익 대한수부외과학회 2020 대한수부외과학회지 Vol.25 No.1
Guyon’s canal syndrome is a compression neuropathy of the ulnar nerve that occurs at the wrist. Compression can be caused by many conditions, such as benign tumors, repeated occupational trauma, vascular lesions, fractures of the carpal bones, rheumatoid arthritis and anomalous hypothenar muscle at Guyon's canal. Here, the authors report a case of compression neuropathy of the ulnar nerve by the accessory abductor digiti minimi muscle (AADM), one of the anomalous hypothenar muscles, at Guyon's canal. The case report is accompanied by a literature review. 척골관 증후근(Guyon’s canal syndrome)은 완관절부 및 수부에 생기는 척골 신경의 압박신경병증이다. 원인으로는 양성 종양, 반복적인 직업상 외상, 수근골의 골절, 류마티스 관절염, 혈관성 병변 등이 있으며 비정상 소지구근육(anomalous hypothenar muscle)에 의해 척골 신경이 압박을 받아 증상이 발생하기도 한다. 저자들은 척골관 부근에서 비정상적으로 존재하는 부소지외전근(accessory abductor digiti minimi muscle)에 의해 발생한 척골 신경의 압박신경병증 1례를 경험하여 문헌고찰과 함께보고하고자 한다.
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연부조직 종양으로 오인한 양측 족부 소지 외전근 비대증: 증례 보고
정유훈,송우석,은동찬 대한족부족관절학회 2017 대한족부족관절학회지 Vol.21 No.4
Soft tissue tumors of the foot have a low incidence rate, and most of them are symptom free, thus it is difficult to diagnose accurately. Herein, we report a 15-year-old male patient who had swelling without pain on the lateral margin of both feet. We performed excisional biopsy of the abductor digiti minimi via subtotal resection, following radiograph and magnetic resonance imaging. According to the his�tological analysis, hypertrophy of abductor digiti minimi was positive, and other soft tissue tumors were negative. Six months after the operation, normal appearance of both feet was maintained and the patient was satisfied with the result.
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