• 대한정형외과 초음파학회지
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• 제8권1호
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• pp.31-37
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• 2015

이두건 장두(long head of biceps tendon)의 병변은 견관절의 전방부 통증의 여러 원인 중에 하나에 해당한다. 이두구의 형태에 대한 해부학적인 연구에 따르면, 폭, 깊이, 내측벽 각(medial wall angle)의 의미를 제시하였다. 이두건 장두 자체의 영상 소견 및 위치를 확인함으로써 진단에 도움을 받을 수 있다.

• 대한관절경학회지
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• 제14권3호
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• pp.188-191
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• 2010

상완이두장건의 결손은 매우 드문 이상이다. 본원에 내원한 19세 남환은 우측 견관절 아탈구 증상을 주소로 내원하였다. MRI 상 상완골의 얕은 결절사이고랑이 관찰되었으며 상완이두장건의 결손이 관찰되었다. 견관절 내시경술을 시행하였으며 관절와순 파열과 함께 상완이두장건의 결손이 관찰되었다. 5개월 뒤 좌측 견관절에도 우측 견관절과 같은 증상이 발생하였고 MRI 및 견관절 내시경 소견 상 상완이두장건의 결손 소견 및 관절와순 파열 소견이 관찰되었다. 양측 견관절 모두 내시경적 관절와순 봉합술을 시행하였으며 수술 후 위팔 외전 보조기를 이용하여 고정하였다. 상완이두장건의 결손이 견관절의 불안정성을 유발할 수 있을 것이라고 생각한다.

• Clinics in Shoulder and Elbow
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• 제18권2호
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• pp.96-101
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• 2015

In general, the long head of the biceps brachii originates from the superior glenoid labrum and the supraglenoid tubercle, crosses the rotator cuff interval, and extends into the bicipital groove. However, rare anatomic variations of the origins of the long head have been reported in the past. In this report, we review the clinical history, radiologic findings, and arthroscopic identifications of 3 anatomic variants of the biceps tendon long head. As the detection of long head of biceps tendon pathology during preoperative radiologic assessment can be difficult without prior knowledge, surgeons should be aware of such possible anatomic variations.

• Clinics in Shoulder and Elbow
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• 제17권3호
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• pp.127-133
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• 2014

Heterotopic ossification (HO) within the substance of the subscapularis tendon is a rare lesion which remains a poorly described condition with little known of the exact mechanisms involved. Furthermore, its clinical importance remains still unclear. To our knowledge, there are no studies present to data regarding HO within the substance of the subscapularis tendon, even with resultant isolated complete tear of the subscapularis tendon. Here we present a case of huge HO associated with unusual isolated complete tear of subscapularis tendon concomitant with tear of biceps long head tendon. After arthroscopic debridement for the complete tear site of biceps long head tendon, mini-open excision of the ossification and subscapularis repair with suture anchor fixation were performed. The patient showed complete recovery of strength and function of the subscapularis at subsequent 24 months follow up.

• Clinics in Shoulder and Elbow
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• 제21권2호
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• pp.87-94
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• 2018

Background: Popeye deformity is common after rupture of the biceps muscle's long head tendon. Herein, we report on histological changes in biceps brachii muscles following tenotomy of the long head biceps tendon. Methods: Twelve Sprague-Dawley rats (12-week-old) underwent tenotomy of the long head biceps tendon in the right shoulder. At postoperative weeks 4, 7, and 10, the operative shoulders were removed by detaching the biceps brachii muscle from the glenoid scapula and humerus; the opposite shoulders were removed as controls. H&E staining was performed to elucidate histological changes in myocytes. Oil-red O staining was performed to determine fatty infiltration. Myostatin antibody immunohistochemistry staining was performed as myostatin is expressed by skeletal muscle cells during myogenesis. Results: H&E staining results revealed no changes in muscle cell nuclei. There were no adipocytes detected. Compared with that of the control biceps, the cross-sectional area of the long head biceps was significantly smaller (p=0.00). Statistical changes in the total extent of the 100 muscle cells were significant (p=0.00). Oil-red O staining revealed no fatty infiltration. Myostatin antibody immunohistochemical staining revealed no significant difference between the two sides. Conclusions: Muscular changes after tenotomy of the long head biceps included a decrease in the size of the individual muscle cells and in relative muscle mass. There were no changes observed in muscle cell nuclei and no fatty infiltration. Moreover, there were no changes detected by myostatin antibody immunohistochemistry assay.

• Clinics in Shoulder and Elbow
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• 제26권4호
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• pp.366-372
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• 2023

Background: There is minimal literature on the morphology of partial distal biceps tendon (DBT) tears. We sought to investigate tear morphology by retrospectively reviewing 3-Tesla magnetic resonance imaging (3T MRI) scans of elbows with partial DBT tears and to propose a basic classification system. Methods: 3T MRI scans of elbows with partial DBT tears were retrospectively reviewed by two experienced observers. Basic demographic data were collected. Tear morphology was recorded including type, presence of retraction (>5 mm), and presence of discrete long-head and short-head tendons at the DBT insertion. Results: For analysis, 44 3T MRI scans of 44 elbows with partial DBT tears were included. There were 9 isolated long-head tears (20%), 13 isolated short-head tears (30%), 2 complete long-head tears with a partial short-head tear (5%), 5 complete short-head tears with a partial long-head tear (11%), and 15 peel-off tears (34%). Retraction was seen in 5 or 44 partial tears (11%), and 13 of the 44 DBTs were bifid tendons at the insertion (30%). Conclusions: Partial DBT tears can be classified into five sub-types: long-head isolated tears, short-head isolated tears, complete long-head tears with partial short-head involvement, complete short-head tears with partial long-head involvement, and peel-off tears. Classification of tears may have implications for operative and non-operative management. Level of evidence: III.

• Clinics in Shoulder and Elbow
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• 제17권4호
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• pp.194-196
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• 2014

A ganglion is a benign cystic mass, commonly found around a joint or tendon sheath. It frequently occurs at the wrist, foot, ankle, and knee. Intratendinous ganglion has been rarely reported, and intratendinous ganglion of the long head of biceps brachii is extremely rare. According to our literature review, this is the third case of intratendinous ganglion of the long head of biceps brachii, and the first case of arthroscopic treatment. Therefore we report a case of an arthroscopic treatement for an intratendinous ganglion of the long head of biceps brachii.

• Clinics in Shoulder and Elbow
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• 제17권3호
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• pp.107-113
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• 2014

Background: Sonoelastography (SE) is a new technique that can assess differences in tissue stiffness, the purpose of this study was to evaluate the ability of SE to assess the long head of biceps tendon alteration. Methods: Forty shoulders of 36 consecutively registered patients with clinical symptoms and conventional ultrasonography findings of biceps tendinitis or tendinosis, and 40 asymptomatic shoulders of 20 healthy volunteers were assessed with SE. Transverse and longitudinal images of long head of biceps tendon were obtained using SE. SE images were performed by one orthopedic surgeon and evaluated by two orthopedic surgeons using an experimentally proven color grading system. Results: The transverse images of SE showed a sensitivity of 87.5%, a specificity of 95.0% and a accuracy of 91.3%, the longitudinal images of SE showed a sensitivity of 92.5%, a specificity of 90.0% and a accuracy of 91.3%. Inter-observer reliability of SE was in 'almost perfect agreement' with a weighted kappa coefficient of 0.83. Conclusions: SE is valuable in the detection of the intratendinous and peritendinous alterations of biceps tendon, and has excellent accuracy and excellent correlation with conventional ultrasound findings.

• 대한견주관절학회:학술대회논문집
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• 대한견주관절학회 2008년도 제16차 학술대회
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• pp.162-162
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• 2008

Many anomalous origins of the long head of the biceps tendon (LHBT) have been reported. However, developmental anomalies of the LHBT are rarely encountered in daily practice. We report a patient with an anomalous LHBT that was adherent to and confluent with the rotator cuff throughout its intra-articular course and present the clinical, magnetic resonance arthrography, and arthroscopic findings.

• Clinics in Shoulder and Elbow
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• 제16권1호
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• pp.47-52
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• 2013

상완 이두근 장두 활차의 병변은 종종 견관절 통증과 기능저하의 원인 되기도 한다. 이 병변으로 인하여 상완 이두근 장두의 불안정성과 견갑하건 및 극상건의 관절내 부분 파열이 야기되기도 한다. 이러한 활차 병변에 대하여 관절경적 봉합술을 시행하는 것에 대하여는 이견이 존재하는데, 이는 상완 이두근 장두의 건 절단술이나 건 고정술이 더 예측 가능한 결과를 제공하기 때문이다. 이 종설의 목적은 상완 이두근 장두 활차의 구조와 손상 기전 및 치료에 대한 정보를 제공하기 위함이다.