结核致骨化肌颜

images in clinical medicine Th e new england journal o f medicine n engl j med 364;8 nejm.org february 24, 2011758 A 40-year-old Korean woman who had been immobilized in bed for several weeks while recovering from tuberculous meningitis reported having pain in the right hip. Her right leg was externally rotated and flexed.  She reported discomfort on any passive movement, as well as tenderness in the  gluteal region. Plain radiographs of the pelvis were unremarkable. Computed tomog- raphy, performed 1 month later because of ongoing pain, showed a well-defined  calcified mass within the gluteus minimus muscle on an axial view (Panel A) and  a sagittal view (Panel B), with bony trabeculation and cortex formation (arrows).  Myositis ossificans (also known as heterotopic ossification) refers to the deposition  of extraskeletal bone within soft tissue. Although the condition sometimes occurs  spontaneously, it often is the result of trauma, surgery, burns, or neurologic injury.  The calcification typically occurs within 2 to 6 weeks after injury. Early biopsy is  not recommended because of the difficulty in distinguishing the formation from  cancer. Preemptive radiotherapy in high-risk patients and surgical excision of mature  lesions are recognized therapies. The role of nonsurgical therapies is unclear. Our  patient was treated with analgesic agents and returned to Korea for ongoing care. Copyright © 2011 Massachusetts Medical Society. Myositis Ossificans Deborah A. Martin, B.M., B.S. Sanjaya Senanayake, M.B., B.S. Canberra Hospital Canberra, ACT, Australia deborah.martin@act.gov.au A B The New England Journal of Medicine Downloaded from nejm.org on November 20, 2012. For personal use only. No other uses without permission. Copyright © 2011 Massachusetts Medical Society. All rights reserved.