Multilevel thoracic ossification of the ligamentum flavum in a Hispanic woman with achondroplasia

Affiliations

• ¹ Spine Surgery Service, National Rehabilitation Institute, Avenida México Xochimilco #289, Col. Arenal de Guadalupe, Ciudad de México, 14389, Mexico.
• ² Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Meyer 7-109 Baltimore, MD 21287, USA.