This case shows the MRI and CT features of a rare entity, namely arachnoiditis ossificans, which should be recognized in patients with long-standing history of multiple spine surgery.
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| http://dx.doi.org/10.5334/jbsr.2458 | DOI Listing |
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Evolving Radiological Approaches in the Diagnosis and Monitoring of Arachnoiditis Ossificans.
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Internal Medicine, Government Medical College Patiala, Patiala, IND.
Arachnoiditis ossificans (AO) is a rare and complex neurological condition characterized by pathological calcification or ossification of the arachnoid membrane. Arachnoiditis ranks as the third most frequent cause of failed back surgery syndrome (FBSS). This narrative review explores the evolving radiological approaches in its diagnosis and monitoring.
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Department of Neurosurgery, American British Cowdray Neurological Center, Mexico City, MEX.
Arachnoiditis ossificans (AO), a very rare entity that can cause severe neurological deficit, is associated with an inflammatory response and compressive effect on the spinal cord. A 65-year-old woman with diagnosis of arachnoiditis ossificans, who had a past medical history of neurocysticercosis diagnosed eight years before the actual onset that was accompanied by obstructive hydrocephalus and required bilateral ventriculoperitoneal shunts, presented with lower limb paresis. The spinal CT reported large calcified subdural spinal plaques.
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Department of Radiology, Lausanne University Hospital and University of Lausanne, Rue du Bugnon 46, 1011, Lausanne, VD, Switzerland.
Patterns of Intrathecal Ossification in Arachnoiditis Ossificans: A Retrospective Case Series.
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Department of Radiology and Imaging (C.S.G., J.L.C., S.T.J.), Hospital for Special Surgery, New York, New York
Arachnoiditis ossificans is an uncommon end-stage appearance of chronic adhesive arachnoiditis. Imaging features of arachnoiditis ossificans are characteristic and should be diagnosed to avoid unnecessary intervention and guide prognosis and management. In this case series, we retrospectively analyzed CT and MR imaging of 41 patients to identify common patterns of intrathecal ossification and present the common etiologies.
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