• Clinics in Shoulder and Elbow
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• v.23 no.1
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• pp.37-40
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• 2020

Heterotopic ossification is formation of bone in atypical extra-skeletal tissues and usually occurs spontaneously or following neurologic injury with unknown cause. We report a 46-year-old female with right shoulder pain and restricted range of motion (ROM) for 3 months without history of trauma. Magnetic resonance imaging (MRI) showed a lesion within the rotator cuff supraglenoid. Excisional biopsy from a previous institution revealed a heterotopic ossificans (HO). Following repeat MRI and bone scan, histopathology from arthroscopic resection confirmed an HO. The patient demonstrated improved pain and ROM at follow-up. Idiopathic HO rarely occurs in the shoulder joint, and resection of HO should be delayed until maturation of the lesion to avoid recurrence. The current case showed that arthroscopic HO resection provides an excellent surgical view to ensure complete lesion removal and minimize soft tissue damage at the supraglenoid area. Furthermore, the minimally invasive procedure of arthroscopy may reduce rehabilitation time and facilitate early return to work.

• Journal of the Korean Arthroscopy Society
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• v.13 no.1
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• pp.63-67
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• 2009

We report the case of a 21-year-old man with acute septic arthritis of the knee after meniscal allograft transplantation, which was successfully treated with repeated arthroscopic debridement and irrigations. Our procedures included arthroscopic debridement and irrigation with 10L normal saline, repeated arthroscopic irrigations (5 times), and intravenous antibiotics. Our decision to repeat the debridement was based on clinical and laboratory results. The significance of this case is that early aggressive arthroscopic debridement and repeated irrigations as part of a treatment protocol of acute septic arthritis after meniscal allograft transplantation can be an effective treatment option in selected cases.

• Journal of Korean Foot and Ankle Society
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• v.24 no.2
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• pp.69-74
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• 2020

Osteochondral lesions of the talus (OLT) can heal and remain asymptomatic, or they can progress to deep ankle pain on weight bearing and the formation of subchondral cysts. Treatment varies from nonoperative treatment to open and arthroscopic procedures. Operative procedures include marrow stimulation techniques (abrasion chondroplasty, multiple drilling, microfracture), osteochondral autografts or allografts, and autologous chondrocyte implantation. Among these treatments, arthroscopic marrow stimulation techniques have been the preferred initial surgical treatment for most OLT. Despite these treatments, many patients complain of persistent pain even after surgery, and many surgeons face the challenge of determining a second line of treatments. This requires a thorough re-evaluation of the patient's symptoms as well as radiological measures. If the primary surgical treatment has failed, multiple operative treatments are available, and relatively more invasive methods can be administered. On the other hand, it is inappropriate to draw a firm conclusion in which methods are superior.

• The Journal of Korean Orthopaedic Ultrasound Society
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• v.1 no.1
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• pp.23-26
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• 2008

Ultrasonography (USG) is widely accepted diagnostic method for the rotator cuff tear. The availability, low cost, easy to access is main factors that favor USG as a primary diagnostic modality for various cuff disorders. We experienced a case of discrepancy between USG, MR arthrography (MRA) and arthroscopic examination. Seventy four year old female patient complained of right shoulder pain. USG depicted rotator cuff tear with the size of 1cm, and MRA demonstrated about 3cm sized tear. Complex massive tear with delamination of degenerated rotator cuff was identified in the arthroscopic examination. When we encounter a patient who has loss of rotator cuff power or severe symptom than findings of USG, MRA or repeat USG is warranted. We report a case of discrepancy between examination modalities with brief review of the literature.