CC BY-NC-ND 4.0 · Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery 2017; 36(02): 117-121
DOI: 10.1055/s-0037-1603554
Case Report | Relato de Caso
Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

Compressive Myelopathy Due to Ossification of the Ligamentum Flavum: Case Report and Review of the Literature

Mielopatia compressiva devido à ossificação do ligamento flavo: relato de caso e revisão da literatura
Alisson R. Teles
1   Department of Neurology and Neurosurgery, McGill Scoliosis & Spine Group, McGill University, Montreal, QC, Canada
,
Frederico A. Criscuoli de Farias
2   Universidade de Caxias do Sul, Caxias do Sul, RS, Brazil
,
Marcelo R. Roxo
3   Department of Neurosurgery, Universidade de Caxias do Sul, Caxias do Sul, RS, Brazil
,
Albert Vincent Berthier Brasil
4   Hospital São José - Santa Casa de Porto Alegre, Porto Alegre, RS, Brazil
› Author Affiliations
Further Information

Publication History

30 December 2016

16 March 2017

Publication Date:
24 May 2017 (online)

Abstract

Ossification of the ligamentum flavum (OLF) is a rare condition in which the ligamentum flavum, due to mechanical, biological and genetic factors, becomes ossified. Due to its nature and anatomic location, OLF produces symptoms characteristic of spinal cord compression. The diagnostic confirmation is based primarily on imaging tests such as computed tomography (CT) and magnetic resonance imaging (MRI). Ossification of the ligamentum flavum most often affects Asian populations, rarely occurring in black people. The authors report a case of a 61-year-old black man with progressive paraparesis due to OLF, and review the literature regarding the pathology's prevalence, pathogenesis, clinical features, diagnosis, treatment and prognosis.

Resumo

A ossificação do ligamento flavo (OLF) é uma doença rara na qual o ligamento flavo se torna ossificado devido a fatores mecânicos, biológicos e genéticos. Devido à sua natureza e localização anatômica, a OLF produz sintomas característicos de compressão da medula espinhal. A confirmação diagnóstica baseia-se principalmente em exames de imagem, como tomografia computadorizada (TC) e ressonância magnética (RM). A OLF afeta mais comumente populações asiáticas, raramente sendo observada em pacientes negros. Os autores relatam o caso de um homem negro de 61 anos com paraparesia progressiva decorrente de OLF com uma revisão da literatura a respeito da prevalência, patogênese, aspectos clínicos, diagnóstico, tratamento e prognóstico desta patologia.

 
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