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  2. Midface hypoplasia, hearing impairment, elliptocytosis, and nephrocalcinosis

Midface hypoplasia, hearing impairment, elliptocytosis, and nephrocalcinosis

Definition:

Midface hypoplasia, hearing impairment, elliptocytosis, and nephrocalcinosis (MFHIEN) is an X-linked recessive syndrome caused by mutations in AMMECR1. AMMECR1 gene is localized in the critical region of contiguous deletion syndrome on Xq22.3 implicated in Alport syndrome, mental retardation, midface hypoplasia, and elliptocytosis (AMME complex).

Biomedical Dictionary

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