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(Stroke. 1997;28:211-213.)
© 1997 American Heart Association, Inc.

Articles

Large Cerebral Infarction During Praziquantel Therapy in Neurocysticercosis

Oh Young Bang, MD; Ji Hoe Heo, MD; Sun Ah Choi, MD Dong Ik Kim, MD

the Departments of Neurology and Radiology (D.I.K.), Yonsei University College of Medicine, Seoul, Korea.

Correspondence to Ji Hoe Heo, MD, Department of Neurology, Yonsei University College of Medicine, CPO Box 8044, Seoul, Korea.

Background Large cerebral infarction is a rare complication of neurocysticercosis. Endarteritis by inflammation of the leptomeninges is known to be its cause.

Case Description A 59-year-old man with known neurocysticercosis developed a large cerebral infarction during praziquantel therapy. A follow-up MRI obtained immediately after his cerebral infarction demonstrated notable decrease in the size of the cysts and more prominent enhancement around the peripheral margins of the cysts and the major vessels in comparison with the initial MRI. Cerebral angiography disclosed occlusions and narrowing of both internal carotid arteries at the supraclinoid portions, where multiple cysts were found on the MRI.

Conclusions Findings in our patient strongly suggest that a secondary inflammation reaction caused by the destruction of the cysts might have enhanced the process of endarteritis. The possible deleterious effects of praziquantel therapy should be considered in the treatment of patients with subarachnoid cysticerci.

Key Words: cerebral infarction • magnetic resonance imaging • neurocysticercosis • praziquantel

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