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Clinical features of a female with WDR45 mutation complicated by infantile spasms: a case report and literature review

Manami Morikawa, Kyoko Takano, Mitsuo Motobayashi, Naoko Shiba, Tomoki Kosho, Yozo Nakazawa, Yuji Inaba
Brain & Development 2017, 39 (9): 804-807
28551038
We present a 3-year-old girl with beta-propeller protein-associated neurodegeneration (BPAN) who had a de novo heterozygous splice-site mutation of c.831-1G>C in WDR45 and developed infantile spasms; her onset age of infantile spasms was relatively late. Her infantile spasms and hypsarrhythmia disappeared promptly by adrenocorticotropic hormone therapy (CORTROSYN®Z, 0.0125mg/kg/day daily for 2weeks intramuscularly), though the administration of pyridoxal phosphate and valproic acid had poor efficacy. BPAN is known to be associated with various types of seizures, but there are few reports on infantile spasms, especially in females. To date, only 5 patients with BPAN have been reported to develop infantile spasms, and our patient is the second case in females. In this report, we showed that female patients with BPAN had milder phenotypic features than males: males developed intractable infantile spasms in early infancy, while females had treatable infantile spasms in late infancy.

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