Subchondral changes in transient osteoporosis of the hip

Keita Miyanishi, Takuaki Yamamoto, Yasuharu Nakashima, Toshihide Shuto, Seiya Jingushi, Yasuo Noguchi, Yukihide Iwamoto

研究成果: ジャーナルへの寄稿学術誌査読

67 被引用数 (Scopus)

抄録

Objective. To review the subchondral changes on MR imaging in transient osteoporosis of the hip (TOH) and to consider the pathophysiology. Design and patients. MR images of 12 hips of 11 consecutive patients with TOH were retrospectively studied. The diagnoses of TOH were confirmed on the basis of previously published criteria, including decreased bone density of the femoral head and/or neck on radiographs, bone marrow edema (BME) pattern on MR images, spontaneous resolution of the symptoms and a return to normal radiodensity. Results. All 12 hips showed a BME pattern in the femoral head and/or neck. Linear patterns of very low signal intensity were identified on T1-weighted images in the subchondral area within the diffuse low signal intensity area in all 12 hips. On T2-weighted images, a low signal intensity line was observed in the corresponding area in eight hips only. These linear patterns were thought to represent subchondral fracture lines. Conclusions. The presence of a subchondral fracture may be important when considering the pathophysiology of TOH.

本文言語英語
ページ(範囲)255-261
ページ数7
ジャーナルSkeletal Radiology
30
5
DOI
出版ステータス出版済み - 5月 2001

!!!All Science Journal Classification (ASJC) codes

  • 放射線学、核医学およびイメージング

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