Tumefactive demyelinating lesion: experience with two unusual patients

Journal of Postgraduate Medicine
M K SinhaA Chandra

Abstract

Tumefactive demyelinating lesion, a variant of multiple sclerosis, is a solitary large demyelinating lesion, which mimics cerebral neoplasm. Distinguishing tumefactive lesions from other etiologies of intracranial space-occupying lesions is essential to avoid inadvertent surgical or toxic chemotherapeutic interventions. We report two unusual cases of tumefactive demyelinating lesion. The first patient presented with recurrent right focal tonic-clonic seizures with secondary generalization of three-month duration. Her neurological examination was normal. Another patient presented with right homonymous hemianopia. In this patient, the diagnosis was established after biopsy of the lesion, which revealed perivascular lymphocytic infiltrate and aggregates of foam cells in white matter with relatively uninvolved grey matter, suggestive of tumefactive demyelinating lesion. Administration of intravenous methylprednisolone resulted in rapid clinical improvement in both the patients and the brain lesion decreased in size. Both, epilepsy and homonymous hemianopia, are unusual manifestations of tumefactive demyelinating lesions. In our cases, cerebral tumors were initial diagnoses. Presence of an open ring or incomplete ring lesions and ot...Continue Reading

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Citations

Nov 26, 2013·Clinical Neurology and Neurosurgery·Dariusz AdamekIzabela Herman-Sucharska
Mar 16, 2012·Multiple Sclerosis : Clinical and Laboratory Research·A AltintasA Siva
Jul 7, 2017·Surgical Neurology International·Merritt D KinonJerome Graber
Feb 1, 2017·Neurology. Clinical Practice·Xuling LinKevin Tan

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