{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T09:52:37Z","timestamp":1777369957486,"version":"3.51.4"},"reference-count":14,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2004,10,25]],"date-time":"2004-10-25T00:00:00Z","timestamp":1098662400000},"content-version":"vor","delay-in-days":24,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Prenatal Diagnosis"],"published-print":{"date-parts":[[2004,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The presentation of sonographic and perinatal findings of tetrasomy 9p.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and Results<\/jats:title><jats:p>Chorionic villus sampling and amniocentesis were performed at 19 weeks of gestation because of the sonographic findings of Dandy\u2013Walker malformation with bilateral ventriculomegaly. Cytogenetic analysis showed 47,XX,+i psu dic(9)(pter\u2010&gt;q12::q12&gt;\u2010pter). The pregnancy was terminated at 20 weeks of gestation at the request of the parents. At post\u2010mortem examination, the presumed hypoplasia of the vermis could not be confirmed for technical reasons. No other pathological findings were seen.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>From our experience and from the literature, we conclude that Dandy\u2013Walker malformation is an important finding in tetrasomy 9p. Chromosomal studies should be carried out in fetuses with sonographically detected Dandy\u2013Walker malformation, even in the absence of other abnormalities. Copyright \u00a9 2004 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pd.850","type":"journal-article","created":{"date-parts":[[2004,10,27]],"date-time":"2004-10-27T22:39:26Z","timestamp":1098916766000},"page":"796-798","source":"Crossref","is-referenced-by-count":14,"title":["Prenatal diagnosis of tetrasomy 9p in a 19\u2010week\u2010old fetus with Dandy\u2013Walker malformation: a case report"],"prefix":"10.1002","volume":"24","author":[{"given":"K. L.","family":"Deurloo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. M.","family":"Cobben","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y. M.","family":"Heins","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"de Ru","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. C. D.","family":"Wijnaendts","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. M. 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