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KMID : 1037620170040010025
Pediatric Emergency Medicine Journal
2017 Volume.4 No. 1 p.25 ~ p.28
A 4-year-old girl presenting with facial palsy, found to have increased delta neutrophil index, and diagnosed with acute myeloid leukemia with extramedullary infiltration
Yoon Seo-Hee

Kim Se-Hee
Lee Mi-Jung
Lee Ho-Joon
Lyu Chuhl-Joo
Kim Moon-Kyu
Abstract
Although Bell¡¯s palsy is the most common cause of facial palsy in children, some cases have potentially fatal causes. We report a rare case of isolated facial palsy in a 4-year-old girl whose diagnosis was acute myeloid leukemia with extramedullary infiltration. The findings of laboratory investigations were nonspecific at presentation except that the delta neutrophil index was 34.5% (reference range, 0%-5%). To avoid hasty diagnosis of Bell¡¯s palsy in children with isolated facial palsy, vigilant differential diagnosis and workup are recommended.
KEYWORD
Child, Facial Paralysis, Leukemia, Myeloid, Acute, Magnetic Resonance Imaging, Neutrophils
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