Department of Orthopedic Surgery, Gwangju Veterans Hospital, Gwangju, KoreaNecrotizing fasciitis is one of the few true emergencies in orthopedic surgery that has a very high mortality rate unless recognized promptly and treated aggressively. The authors report a case of a patient with necrotizing fasciitis on the thigh that developed secondary to an unrecognized rectal cancer perforation through the short external rotator muscles. Clinicians should always be alert to the potential that rectal cancer perforations can cause necrotizing fasciitis in rare cases.
We report a rare case of a complete disassembly of the inner head from the bipolar cup without polyethylene wear and locking system failure. An 84-year-old man who had a femur neck fracture of the right hip underwent a replacement of the bipolar prosthesis 4 months ago. He fell down from a height of a chair and felt a sudden sharp pain in the right hip. Roentgenograms revealed that the inner head was dislocated from the outer cup; subsequently, a revision surgery was carried out. When the outer head was removed from the acetabulum, the bearing insert and locking ring were not deformed. Because there was no evidence of loosening of the femoral stem, identicallysized bipolar cup and metal head replacement was performed. At a 6 months follow-up, he had mild hip pain but had returned fully to daily living.
Association between enlarged iliopsoas bursa and hip lesions such as osteoarthritis of the hip or femoral head necrosis is infrequently seen. Enlarged iliopsoas bursa with a rapidly destructive arthropathy is claimed to be seen only in patients with rheumatoid arthritis. In this paper, we report a patient with a rapidly destructive arthropathy accompanied by an enlarged iliopsoas bursa that has been misdiagnosed as an infection.
Purpose: This study examined the value and indications of repeated MRI in degenerative lumbar diseases under conservative management by comparing the primary MR and repeated MR images with respect to the symptomatic and radiological changes. Materials and Methods: Seventy patients with degenerative lumbar disease under conservative management underwent repeat MRI. Five MRI findings, including disc, foramen, facet joint, nerve root, and ligamentum flavum, were used to examine the difference between the initial and repeat MRI. The severity was graded using a four-point scale for each item. The patients were divided into 3 groups in order to compare the radiological changes and symptomatic changes, as follows; Group I no change from the initial symptoms (38 cases), Group II aggravation of the initial pain (18 cases), and Group III aggravation of the initial neurology or the development of a new neurology (14 cases). Results: The mean scores of each item the disc, foramen, facet joint, nerve root and ligamentum flavum increased from 1.76, 1.31-1.79, 1.71, and 1.47, respectively, to 1.90, 1.47, 1.80, 1.79, and 1.53, respectively. Group III showed the greatest proportion of cases with an increasing grading score (78%, 11 cases) only the disc was significant. Conclusion: Repeat MRI in degenerative lumbar disease under conservative management was found to be valuable only in cases with aggravated neurological symptoms, and was not relevant in cases with persistent symptoms or aggravated pain alone.
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