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Journal of Korean Neurosurgical Society ; : 226-229, 2014.
Artigo em Inglês | WPRIM | ID: wpr-114085

RESUMO

We describe a rare case of intradural-extramedullary primary spinal cysticercosis. A 42-year-old man visited our institute for lower back pain. He denied having consumed raw meet. Magnetic resonance (MR) images revealed an intradural pure cystic mass at the L3-L4 level. A radiologic diagnosis of spinal arachnoid cyst was established. Three years later, he complained of aggravated back pain, and follow-up MR examination showed a markedly expanded cyst, occupying the subarachnoid space from the T11 to the S1 level. L2 hemilaminectomy was performed, and a yellowish infected cyst bulged out through the dural opening. The cyst was removed en bloc. The histopathological findings of the cyst were consistent with parasitic infection. Serum enzyme-linked immunosorbent assay (ELISA) confirmed the presence of spinal cysticercosis. As there was no intracranial lesion, the final diagnosis was primary spinal cysticercosis, which is very rare. MR imaging is a sensitive diagnostic tool for detecting cystic lesions in the spine; however, it is difficult to distinguish cysticercosis from non-infectious cysts such as an arachnoid cyst without using gadolinium enhancement. Clinicians treating spinal cysts with an unusual clinical course should include cysticercosis as a differential diagnosis. We recommend contrast-enhanced MR imaging and serum ELISA in the diagnostic work-up of such cases.


Assuntos
Adulto , Humanos , Aracnoide-Máter , Dor nas Costas , Cisticercose , Diagnóstico , Diagnóstico Diferencial , Ensaio de Imunoadsorção Enzimática , Seguimentos , Gadolínio , Dor Lombar , Imageamento por Ressonância Magnética , Neurocisticercose , Coluna Vertebral , Espaço Subaracnóideo , Taenia solium
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