• The Academic Congress of Korean Shoulder and Elbow Society
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• 2005.03a
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• pp.47-47
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• 2005

• Journal of the Korean Arthroscopy Society
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• v.13 no.1
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• pp.34-38
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• 2009

Purpose: To evaluate the association of subacromial bursa inflammation with acromial shape and shoulder pain in subacromial impingement syndrome. Materials and Methods: 24 cases with subacromial impingement syndrome were reviewed. Eighteen patines were males and six females(mean age: 58.3 yrs). During arthroscopic operation, the specimens were taken from subacromial bursa with arthroscopic knife($1{\times}1$ cm size). The shape of acromion were classified according to Bigliani grading system. The shoulder pain of patients was graded with visual analog scale (VAS). The grade of inflammation was classified to the pathological three grade system (mild, moderate, severe) by pathohistological 8 factors. Results: Of total 24 cases, 9 cases were the pathological grade I and 15 cases were grade II. None was grade III. In the 9 cases of pathological grade I, 6 cases were the radiologic grade II of acromial shape and 3 cases were grade III. In the 15 cases of pathological grade II, 5 cases were the radiologic grade II and 10 cases were grade III. The VAS was 7 point at pathological grade I and 8 point at grade II. As the statistical analysis, the pathological grade of subacromial bursa was associated with acromial shape (p<0.05), but not associated with pain of patient (p>0.05). Conclusion: Our study suggests that pathological grade of subacromial bursa inflammation was associated with acromial shape. But pathological grade of subacromial bursa inflammation was not associated with shoulder pain of patients.

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2003.03a
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• pp.94-94
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• 2003

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2002.10a
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• pp.195-200
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• 2002

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2006.03a
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• pp.55-55
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• 2006

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2009.03a
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• pp.221-221
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• 2009

• Clinics in Shoulder and Elbow
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• v.10 no.2
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• pp.232-235
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• 2007

Multiple rice bodies are a rare disorder that is most commonly observed in chronic rheumatoid arthritis patients and as a complication of chronic inflammation in the bursa. However, it can occur in the absence of an underlying systemic disorder. Although it resembles synovial chondromatosis clinically and on imaging, the condition can be discriminated by an analysis of the radiographic and MR appearances. We encountered a case of multiple rice body formation with subacromial bursitis on the shoulder of a 37-year old man suffering from pain and motion limitation. The patient was treated by arthroscopic removal of the multiple rice bodies and a subacromial bursectomy. We present this case with a review of the relevant literature.

• The Journal of Korean Orthopaedic Ultrasound Society
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• v.1 no.1
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• pp.6-9
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• 2008

Purpose: To investigate the effectiveness of injection therapy in the treatment of subacromial bursitis. Materials and Methods: A total of 38 patients with sonographic confirmation of subacromial bursitis were recruited into this study. The shoulder abduction range of motion and visual analog scale (VAS) were compared before injections and 3 wks after the completion of injections. Results: The shoulder range of abduction before injection was $77.89{\pm}14.17$ degrees and improved to $148.68{\pm}13.39$ degrees 3 wks after the injection treatments (P<0.05). VAS before injection was $6.8{\pm}1.4$ and improved to $1.4{\pm}0.8$ 3 wks after the injection treatments (P<0.05). Conclusions: Ultrasound may be used as an adjuvant tool in guiding the needle accurately into the inflamed subacromial bursa. The ultrasound-guided injection technique can result in significant improvement in shoulder abduction range of motion in treating patients with subacromial bursitis.

• Clinical Pain
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• v.16 no.1
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• pp.20-25
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• 2017

Objective: To find that the patients who conducted home self-exercise in conjunction with intra-articular corticosteroid injection will have better improvement in subacromial subdeltoid (SASD) bursitis symptoms than those who received only an injection. Method: A prospective, nonrandomized, comparison study was conducted in outpatient rehabilitation clinic in a tertiary university hospital. Patients diagnosed with SASD bursitis with physical examination and ultrasound evaluation were included and received ultrasound guided injection (UGI). Patients were divided into two groups according to the compliance of self-exercise: UGI-exercise group and UGI only group. Visual analog scale (VAS) was checked before, at 3 weeks, 3 months, and 6 months after the UGI. A patient's global impression of change (PGIC) survey was made at 3 months after the UGI. Results: A total of 82 patients with SASD bursitis were included. At 3 weeks after the injection, the mean VAS for the UGI-exercise group was 2.6 ± 1.7 and for UGI only group was 1.9 ± 1.3 (p=0.030). At 3 months after the injection, the mean VAS for the UGI-exercise group was 4.0 ± 1.3 and for UGI only group was 5.4 ± 1.4 (p<0.001). Conclusion: We concluded that home-based self-exercise of the shoulder provides an additional benefit for pain alleviation possibly with prolonging the effect of injection in SASD bursitis.

• Clinics in Shoulder and Elbow
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• v.15 no.2
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• pp.65-72
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• 2012

Purpose: To evaluate the differentiation potential of stem cells and their immunophenotype from 3 different sources. Methods: Our study involved three stem cell sources-subacromial bursal tissue, bone marrow, and umbilical cord blood. We obtained the subacromial bursal tissue and bone marrow from the patients undergoing shoulder surgery. After collecting the sample, we applied specific induction media for neurogenic, adipogenic and osteogenic differentiation. Also, flow-cytometry analysis was done to reveal the cell surface antigens. Results: We obtained 100% (8 cases) neural and adipogenic differentiation, but 62.5% (5 of 8 cases) osseous differentiation among the subacromial bursal tissue group. Bone marrow derived cells showed 100% neural (6 cases) and adipogenic (5 cases) differentiation, but 80% (4 of 5 cases) osseous differentiation. Umbilical cord blood derived cells revealed 97% (65 of 67 cases) neural, 53.7% (29 of 54 cases) adipogenic and 68.4% (39 of 57 cases) osseous differentiation. Immunophenotype analysis revealed that surface markers of bone marrow, subacromial bursal cell and umbilical cord blood derived mesenchymal stem cells are different from each other. Conclusions: Mesenchymal stem cells are potential agents in regenerative medicine and are characterized by expression of surface markers and by their differentiation potential. Our study with stem cells from subacromial bursal tissue, bone marrow and umbilical cord discovered that each stem cell has unique differentiation potential and function based on its origin. Various stem cells show multi-lineage differentiations in vitro which can be correlated to in vivo conditions.