Histopathologic findings of spontaneous osteonecrosis of the knee at an early stage: a case report

Hiroyuki Hatanaka, Takuaki Yamamoto, Goro Motomura, Kazuhiko Sonoda, Yukihide Iwamoto

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

We histopathologically examined a surgically resected full specimen obtained from an early-stage spontaneous osteonecrosis of the knee (SPONK). On a mid-coronal cut section of the resected medial femoral condyle, a linear fracture line paralleling the subchondral bone endplate was found. Histopathologically, prominent callus formation was seen comprising of reactive woven bone and granulation tissue on both sides of the fracture. Fracture-related bone debris was focally observed at the osteochondral side of the fracture. Definitive features of antecedent bone infarction such as creeping substitution and bone marrow necrosis were not detected. These findings suggested that SPONK was the result of a subchondral fracture rather than primary osteonecrosis.

本文言語英語
ページ(範囲)713-716
ページ数4
ジャーナルSkeletal Radiology
45
5
DOI
出版ステータス出版済み - 5 1 2016
外部発表はい

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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