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Empty Sella Syndrome Associated with Growth Hormone Deficiency:the First Case Report of WeissKruszka Syndrome
Article in En | WPRIM | ID: wpr-899998
Responsible library: WPRO
ABSTRACT
Weiss-Kruszka syndrome (WSKA), caused by heterozygous loss-of-function variants in ZNF462 gene, is a recently described and extremely rare genetic disorder. The main phenotypes include characteristic craniofacial features, ptosis, dysgenesis of the corpus callosum, and neurodevelopmental impairment. We report the first Korean boy with molecularly confirmed WSKA presenting with an atypical manifestation. A 16-year-old boy with a history of bilateral ptosis surgery presented with short stature (−3.49 standard deviation score) and delayed puberty. The patient showed characteristic craniofacial features including an inverted triangular-shaped head, exaggerated Cupid's bow, arched eyebrows, down-slanting palpebral fissures, and poorly expressive face. He had a mild degree of intellectual disability and mild hypotonia. Endocrine studies in the patient demonstrated complete growth hormone deficiency (GHD) associated with empty sella syndrome (ESS), based on a magnetic resonance imaging study for the brain that showed a flattened pituitary gland and cerebrospinal fluid space herniated into the sella turcica. To identify the genetic cause, we performed whole exome sequencing (WES). Through WES, a novel de novo heterozygous nonsense variant, c.4185del; p.(Met1396Ter) in ZNF462 was identified. This is the first case of WSKA accompanied by primary ESS associated with GHD. More clinical and functional studies are needed to elucidate this association.
Full text: 1 Index: WPRIM Type of study: Prognostic_studies Language: En Journal: Journal of Korean Medical Science Year: 2021 Type: Article
Full text: 1 Index: WPRIM Type of study: Prognostic_studies Language: En Journal: Journal of Korean Medical Science Year: 2021 Type: Article