Incomplete Miller-Fisher Syndrome with Advanced Stage Burkitt Lymphoma.

BACKGROUND: Lymphoma-associated incomplete Miller-Fisher syndrome is very rare. CASE CHARACTERISTICS: An 11-year-old boy who initially presented with headache, left ptosis, diplopia and weakness. Neurologic examination indicated left sided ptosis with ophthalmoplegia. OBSERVATIONS: Cerebral imaging and cerebrospinal fluid examinations were normal. Magnetic resonance imaging of the abdomen showed a mass lesion in the ileal loops. A bone marrow biopsy showed infiltration by Burkitt's lymphoma. MESSAGE: Burkitt lymphoma may present with incomplete Miller Fisher syndrome.