{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T15:45:45Z","timestamp":1764171945620},"reference-count":31,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2009,11,16]],"date-time":"2009-11-16T00:00:00Z","timestamp":1258329600000},"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":[[2009,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We present the clinical and molecular findings in a Turkish child with a de novo mosaic ring derived from chromosome 4 with multiple cell\u2010lines; the karyotype was 46,XY,r(4)[83]\/45,XY, \u22124[6]\/47,XY,r(4),+r(4)[5]\/48,XY,r(4),+r(4),+dic r(4)[1]\/46,XY[5]. The patient is a 20\u2010month\u2010old male who was the first pregnancy of nonconsanguineous parents. The baby was delivered at term with a birth weight of 1,700\u2009g (&lt;3rd centile) and a length of 46\u2009cm. The baby had feeding difficulties and vomiting problems. He started walking at age 2 years and delayed language was observed. Facial appearance was normal, but the ears were large with abnormal structure. The hands showed bilateral clinodactyly of the 5th fingers. He had mild mental retardation, and epilepsy. Analysis of chromosomes showed 46,XY,r(4)(::p16.3\u2009\u2192\u2009qter::)[67]\/46,XY,r(4;4)(::p16.3\u2009\u2192\u2009qter::p16.3\u2009\u2192\u2009qter::)[2]\/46,XY[3] by multicolor banding (MCB) technique. Array CGH delineated the size of the terminal deletion as 900\u2009kb in 4p16.3. The Wolf\u2013Hirschhorn critical region was preserved even though our patient had mild mental and motor retardation. While the mosaicism of the ring 4 could affect the phenotype, the deleted 900\u2009kb distal deletion and clinical features of the patient may provide further insight into characteristic phenotype of the 4p\u2212 related syndromes. \u00a9 2009 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajmg.a.33069","type":"journal-article","created":{"date-parts":[[2009,11,17]],"date-time":"2009-11-17T01:50:46Z","timestamp":1258422646000},"page":"2782-2787","source":"Crossref","is-referenced-by-count":12,"title":["Characterization of double ring chromosome 4 mosaicism associated with bilateral hip dislocation, cortical dysgenesis, and 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