Article

Transient osteoporosis of the hip.

Department of Radiology, University of Natal, Durban.
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde (Impact Factor: 1.7). 06/1999; 89(5):525. DOI: 10.1097/00124743-199706000-00014
Source: PubMed
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    ABSTRACT: Transient osteoporosis of the hip (TOH) is a rare disorder of unknown cause that is characterized by diffuse bone marrow edema of the femoral neck and head. A case of bilateral TOH occurring in a 32-yr-old man is reported and the radiological findings and bone densitometry that illustrate the natural history of this disorder are presented. The management of this disorder including the possible indications for antiresorptive therapy is reviewed.
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    ABSTRACT: SUMMARY: Data of 17 male patients with a final diagnosis of transient osteoporosis (TO) of the hip seen at the radiology department of a university hospital over a period of 7 years were retrospectively studied. Comparison of the proportion of doctors among TO cases with that among other hip joint pathologies revealed a significant difference. PURPOSE: The objective of this study is to present clinical and radiological findings of hip TO and to assess the association of the condition with patients' occupation. MATERIALS AND METHODS: Data of 17 male patients with a final diagnosis of transient osteoporosis of the hip seen at the radiology department of a university hospital over a period of 7 years were retrospectively studied. RESULTS: The diagnosis of transient hip osteoporosis was in accordance with the published literature for clinical, imaging findings, and laboratory results. Among the 17 cases of male transient hip osteoporosis, 65% were physicians and 12% were commercial pilots. Comparison of the proportion of doctors among TO cases with that among other hip joint pathologies revealed a significant difference. Abnormal low hormone levels of testosterone and 25-cholicalciferol (vitamin D) were detected in three and two patients, respectively. CONCLUSION: The preponderance of physicians among patients with transient hip osteoporosis has not been previously reported. Etiological contribution of endocrine pathology and type of occupation to the causation of transient osteoporosis merits further research.
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