{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T21:02:46Z","timestamp":1789678966939,"version":"4.0.1"},"reference-count":24,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,6,6]],"date-time":"2005-06-06T00:00:00Z","timestamp":1118016000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2005,7,15]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We report clinical findings in 17 adults with Costello syndrome ranging in age from 16 to 40 years. Two patients in this series have had bladder carcinoma, the only malignancy reported to affect adults with Costello syndrome. Benign tumors included multiple ductal papillomata in two women, and a fourth ventricle mass in one man, thought to be a choroid plexus papilloma. Endocrine problems in this series were osteoporosis, central hypogonadism, and delayed puberty. Other health problems were symptomatic Chiari malformations in three patients. Four patients had adult\u2010onset gastro\u2010esophageal reflux, three of whom had Chiari malformations. Fourteen adults had mild to moderate intellectual disability with three individuals having severe intellectual disability; 15 individuals attained some reading and writing skills and 14 showed ongoing acquisition of new skills into adulthood. On the basis of this data, we recommend that neuro\u2010imaging be considered in adults with Costello syndrome if they develop symptoms suggestive of a Chiari malformation. In the event of pubertal delay, endocrine investigations are indicated and hormone treatment may be required. Bone density assessments should be performed in adults with Costello syndrome, particularly in those with pubertal abnormalities. Screening for microscopic hematuria as a marker for bladder carcinoma may be indicated, although this requires further evaluation. \u00a9 2005 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajmg.a.30747","type":"journal-article","created":{"date-parts":[[2005,6,6]],"date-time":"2005-06-06T21:20:00Z","timestamp":1118092800000},"page":"128-135","source":"Crossref","is-referenced-by-count":74,"title":["The adult phenotype in Costello syndrome"],"prefix":"10.1002","volume":"136A","author":[{"given":"Susan 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