{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T17:41:27Z","timestamp":1773250887550,"version":"3.50.1"},"reference-count":51,"publisher":"Georg Thieme Verlag KG","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ultraschall Med"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Objectives To show the development of the third ventricle, commissural plate, future cavum septi pellucidi, and cavum veli interpositi in weeks 12\u201314 by transvaginal 3D ultrasound. Methods This is a prospective transvaginal 3D study carried out to define the third ventricle and the diencephalic midline structures surrounding it. 93 of 387 fetuses in which the commissural plate with the future cavum septi pellucidi, cavum veli interpositi, and the roof of the third ventricle could be well visualized, were selected with the choroid plexus of the third ventricle and the pituitary gland serving as leading structures. In a small number of fetuses, the optic chiasm could also be displayed. In addition, the following measurements were performed: third ventricle craniocaudal and anteroposterior, roof of the third ventricle\/cavum veli interpositi, and fcsp. Results The sonomorphologic characteristics of the commissural plate, the future cavum septi pellucidi, and the cavum veli interpositi are described IN 9% OF THE FETUSES examined. Measurements of the third ventricle, cavum veli interpositi, and the roof of the third ventricle show the following results: 3rd V cc = 3.895 + 0.091*CRL mm; 3rd V ap = 4.175 + 0.036*CRL mm; CVI ap = 2.223 + 0.029*CRL mm; CVI cc = 0.139 + 0.02*CRL mm. Conclusion Transvaginal neurosonography enables visualization and measurement of the normal fetal third ventricle at 12\u201314 weeks of gestation including visualization of the future cavum septi pellucidi and the cavum veli interpositi. BEFORE USE IN PATIENTS CAN BE CONSIDERED, FURTHER SCIENTIFIC WORK IS REQUIRED.<\/jats:p>","DOI":"10.1055\/a-1683-6141","type":"journal-article","created":{"date-parts":[[2022,2,26]],"date-time":"2022-02-26T00:03:03Z","timestamp":1645833783000},"page":"e72-e82","source":"Crossref","is-referenced-by-count":9,"title":["Visualization of the Third Ventricle, the Future Cavum Septi Pellucidi, and the Cavum Veli Interpositi at 11+3 to 13+6 Gestational Weeks on 3D Transvaginal Ultrasound Including Normative Data"],"prefix":"10.1055","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9227-724X","authenticated-orcid":false,"given":"Reinhard","family":"Altmann","sequence":"additional","affiliation":[{"name":"Prenatal Medicine, Kepler University Hospital Med Campus IV, Linz, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Iris","family":"Scharnreitner","sequence":"additional","affiliation":[{"name":"Prenatal Medicine, Kepler University Hospital Med Campus IV, Linz, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian","family":"Auer","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kepler University Hospital, Linz, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lena","family":"Hirtler","sequence":"additional","affiliation":[{"name":"Center for Anatomy and Cell Biology, Medical University of Vienna, Wien, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia","family":"Springer","sequence":"additional","affiliation":[{"name":"Prenatal Medicine, Kepler University Hospital Med Campus IV, Linz, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephanie","family":"Falschlehner","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics, Kepler University Hospital Med Campus IV, Linz, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wolfgang","family":"Arzt","sequence":"additional","affiliation":[{"name":"Prenatal Medicine, Kepler University Hospital Med Campus IV, Linz, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2022,2,25]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1239","DOI":"10.1002\/pd.5735","article-title":"The early pattern of human corpus callosum development: A transvaginal 3D neurosonographic study","volume":"40","author":"R Birnbaum","year":"2020","journal-title":"Prenat Diagn"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"447","DOI":"10.1007\/s00234-010-0696-3","article-title":"The corpus callosum, the other great forebrain commissures, and the septum pellucidum: anatomy, development, and malformation","volume":"52","author":"C 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