1/4. Severe heterotopic ossification after arthroscopic acromioplasty: a case report.Heterotopic ossification is a well-recognized complication of spinal cord injury, closed head injury, total hip arthroplasty, burns, and other trauma and has been observed in various tissues such as muscles, tendons, ligaments, and menisci. Complications of arthroscopic acromioplasty are relatively uncommon and include hematoma, traction neuropathy, infection, acromial fracture, reflex sympathetic dystrophy, and instrument breakage. However, little has been reported on heterotopic ossification of the shoulder, particularly after arthroscopic surgery. Recurrent rotator cuff impingement symptoms caused by small amounts of heterotopic ossification after arthroscopic acromioplasty have been described. We report a case of severe heterotopic ossification about the shoulder after arthroscopic acromioplasty.- - - - - - - - - - ranking = 1keywords = ligament (Clic here for more details about this article) |
2/4. Suprascapular nerve entrapment at the spinoglenoid notch in a professional baseball pitcher.Suprascapular nerve injuries at the spinoglenoid notch are uncommon. The true incidence of this lesion is unknown; however, it appears to be more common in athletes who participate in sports involving overhead activities. When a patient is being evaluated for posterior shoulder pain and infraspinatus muscle weakness, electrodiagnostic studies are an essential part of the evaluation. electromyography will identify an injury to the suprascapular nerve as well as assist in localizing the site of injury. In addition, imaging studies are also indicated to help exclude other diagnoses that can mimic a suprascapular nerve injury. The initial management should consist of cessation of the aggravating activity along with an organized shoulder rehabilitation program. If the patient fails to improve with 6 months to 1 year of nonoperative management, surgical exploration of the suprascapular nerve should be considered. Release of the spinoglenoid ligament with resultant suprascapular nerve decompression may result in relief of pain and a return of normal shoulder function.- - - - - - - - - - ranking = 1keywords = ligament (Clic here for more details about this article) |
3/4. A rare anatomic variant of the superior glenohumeral ligament.The attachment of the superior glenohumeral ligament (SGHL) to the upper pole of the glenoid is variable and 3 types have been described. We report an anatomic variant of SGHL attachment to the upper pole of the glenoid that has not heretofore been reported in the literature. In this case, the SGHL overrode the biceps origin, continued to the superior labrum posteriorly, and had no attachment to the middle glenohumeral ligament or the anterior labrum. This variant was detected during routine arthroscopic examination undertaken before surgery on a rotator cuff tear.- - - - - - - - - - ranking = 6keywords = ligament (Clic here for more details about this article) |
4/4. Suprascapular nerve entrapment secondary to a lipoma.Many causes of suprascapular nerve entrapment have been described including a small spinoglenoid notch, a tight ligament, boney spurs, and ganglion cysts. In the current patient, suprascapular nerve entrapment was caused by a lipoma in the suprascapular notch. The patient presented with painful shoulder motion that could have been attributed to rotator cuff and acromioclavicular joint disease. However, magnetic resonance imaging and electromyography were consistent with suprascapular nerve entrapment. Treatment of the rotator cuff disease and excision of the lipoma led to resolution of the patient's symptoms. This case is presented as an unusual cause of suprascapular nerve entrapment with a review of its course and anatomy.- - - - - - - - - - ranking = 1keywords = ligament (Clic here for more details about this article) |