Autopsy and Case Reports
https://autopsyandcasereports.org/article/doi/10.4322/acr.2012.013
Autopsy and Case Reports
Article / Clinical Case Report

Calcification of the ligamentum flavum in the thoracolumbar spine: an unusual cause of compressive myelopathy

João Augusto dos Santos Martines; Brenda Margatho Ramos Martines; José de Arimatéia Batista Araújo Filho; Lorena Elaine Amorim Pinto; Cláudio Campi de Castro

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Abstract

The focal calcification or ossification of the ligamentum flavum is a rare cause of thoracic myelopathy and most often occurs among individuals of Japanese descent. It is rare in other ethnic groups and in individuals below the age of 50. It is most often described at the lower thoracic level, being uncommon in the lumbar region and rare in the cervical region. Here, we present the case of a 44-year-old White female patient who sought medical attention with an eightmonth history of paraesthesia of the lower limbs and progressive difficulty in walking. The clinical profile, together with computed tomography and nuclear magnetic resonance imaging of the spine, led to a diagnosis of compressive thoracic myelopathy due to ossification of the ligamentum flavum in the thoracic and lumbar spine. The patient underwent laminectomy and dissection of some of the affected ligamentum flavum, without any intraoperative complications. After three months of clinical follow-up, the patient had progressed favorably, having no sensory complaints and again becoming ambulatory.


Keywords

Ossification of the posterior longitudinal ligament, Spine, Ligamentum flavum, Spinal cord compression.

Publication date:
01/13/2016

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