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Unusual CT/MR features of putative ligamentum flavum ossification in a North African woman

Departments of ¹Neurosurgery and ²Radiology, Saint-Luc Hospital, Université Catholique de Louvain, Brussels, Belgium

Correspondence: Christian Raftopoulos, Department of Neurosurgery, Saint Luc University Hospital, Université Catholique de Louvain, Avenue Hippocrate 10, 1200 Brussels, Belgium

To display the unusual spinal CT and MR findings in a 48-year-old North African woman presenting with two adjacent intracanalar mineralized epidural outgrowths exhibiting mature bone organization with "cortical" and "trabecular" areas and pseudoarthritic changes at their interface. An unusual form of ligamentum flavum ossification (LFO) was speculated, of which features are discussed under the light of the available literature.