期刊
NEURORADIOLOGY
卷 61, 期 8, 页码 949-952出版社
SPRINGER
DOI: 10.1007/s00234-019-02230-z
关键词
X-linked deafness; Hypothalamic hamartoma; Magnetic resonance imaging; Gusher; Incomplete partition
Patients with X-linked deafness carry mutations in the POU3F4 gene and have pathognomonic inner ear malformations characterised by symmetrical incomplete partition type 3 (absent modiolus and lamina spiralis but preserved interscalar septum in a normal-sized cochlea) and large internal auditory meatus (IAM) with an increased risk of gusher during stapes surgery. We describe a range of fairly characteristic malformations in the hypothalamus of some patients with this rare condition, ranging from subtle asymmetric appearance and thickening of the tuber cinereum to more marked hypothalamic enlargement. We discuss the role of POU3F4 in the normal development of both the inner ear and hypothalamus and the proposed pathophysiology of incomplete partition type 3.
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