Ossification of the Posterior Longitudinal Ligament is Linked to Heterotopic Ossification of the Ankle/foot Tendons
JOURNAL OF BONE AND MINERAL METABOLISM(2024)
摘要
Systemic osteogenesis has been speculated to be involved in the pathogenesis of ossification of the posterior longitudinal ligament (OPLL). Our purpose was to compare the radiologic prevalence and severity of heterotopic ossification in foot tendons of Japanese patients with OPLL and to determine their association with systemic heterotopic ossification. Clinical and radiographic data of 114 patients with OPLL were collected from 2020 to 2022. Control data were extracted from a medical database of 362 patients with ankle radiographs. Achilles and plantar tendon ossification were classified as grades 0–4, and the presence of osteophytes at five sites in the foot/ankle joint was assessed by radiography. Factors associated with the presence and severity of each ossification were evaluated by multivariable logistic regression and linear regression analysis. The prevalence of Achilles and plantar tendon ossification (grade ≥ 2) was 4.0–5.5 times higher in patients with OPLL (40–56
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关键词
Ossification of the posterior longitudinal ligament,Achilles tendon ossification,Plantar tendon ossification,Osteogenesis,Heterotopic ossification
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