Successfully Managed Respiratory Insufficiency in a Patient with a Novel Pathogenic Variant of the BMPER Gene: A Case Report.

Bone morphogenetic protein-binding endothelial cell precursor-derived regulator (BMPER) gene mutation presents a disease spectrum ranging from a mild type of ischiospinal dysostosis (ISD) to a more severe type of diaphanospondylodysostosis (DSD). It is known that BMPER gene mutations are very rare, and their resulting clinical manifestations, including musculoskeletal modifications, appear in a spectrum of various types and severity levels. With the development of genetic diagnosis, case reports of patients with specific mutations in the BMPER gene have been published. The most commonly known clinical features are kidney structural problems, including neuroblastoma and renal cysts. Meanwhile, respiratory failure is a common and fatal symptom for patients with BMPER gene mutation, but it does not appear to have been well evaluated or managed so far. We report a case of a confirmed novel mutation of c.1750delT (p.Cys584fs) in the BMPER gene in a female adolescent patient and highlight the importance of the regular assessment of respiratory failure for successful management of this condition.