A clinical study of chondral-separated types of osteochondral lesions of the talus

Foot & Ankle International
Satoshi MondenKenji Takagishi

Abstract

The progress of diagnostic imaging technology, including CTs, MRIs, and ankle arthroscopy has encouraged more detailed descriptions of osteochondral lesions of the talus. These lesions can vary from chondral fragments separated from the subchondral bone with or without bone sclerosis or cysts in the subchondral layers. Isolated lesions of the cartilage, defined as chondral-separated types, as opposed to the osteochondral-separated types which were osteochondral fragments, were retrospectively evaluated in this study. Seventy-three osteochondral lesions of the talus in 69 patients were treated. There were 29 chondral-separated types in 29 patients confirmed by examining CT, MRI, and arthroscopic findings. The average age at onset of the chondral-separated type was 30.7 years. CT findings (29 ankles) showed sclerosis in seven ankles, micropores in nine, honeycombs in seven, and cysts in six. MRI T2-weighted image findings (28 ankles) showed micro to large pore high signals in the subchondral layers in 18 ankles, low to high mixed signals with poor margins in six, and high signals on the articular surfaces in four. Arthroscopic findings (29 ankles) showed softening of the articular cartilage in two ankles, fissures in 16, bulging ...Continue Reading

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Citations

Aug 10, 2011·Skeletal Radiology·James Francis GriffithMargaret Wan Nar Wong
May 26, 2012·Journal of Vascular and Interventional Radiology : JVIR·Yu HeYongde Cheng
Jul 23, 2011·Clinics in Podiatric Medicine and Surgery·Tanya J SingletonLawrence Ford
May 21, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Hyeong-Won Park, Keun-Bae Lee
Jan 29, 2013·The American Journal of Sports Medicine·Gi Won ChoiJin Woo Lee
Oct 23, 2010·Foot & Ankle International·Florian GrasGunther O Hofmann

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