Surgical Treatment of Trigonocephaly

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dc.authoridElmaci, Ilhan/0000-0001-9433-0307
dc.contributor.authorAkan, Mithat
dc.contributor.authorAvci, Gulden
dc.contributor.authorSilav, Gokalp
dc.contributor.authorAkoz, Tayfun
dc.contributor.authorElmaci, Ilhan
dc.date.accessioned2025-01-27T20:45:32Z
dc.date.available2025-01-27T20:45:32Z
dc.date.issued2011
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractMetopic synostosis is a relatively rare form of nonsyndromic synostosis. Premature closure of the metopic suture results in deformation of the anterior calvarium, in the phenotypic features of trigonocephaly Trigonocephalic deformities are recognized because of a pathognomic 'keel-shaped' deformity of the forehead with a prominent midline ridge, bilateral frontotemporal constriction with compensatory biparietal expansion, supraorbital and lateral orbital retrusion and hypotelorism. 1 This article presents a surgical technique used over 5 years to treat trigonocephalic children. Retrospective analyses were performed on 9 patients with metopic synostosis treated during 2005-2010. The study included reviews of preoperative and postoperative computed tomography scans, operative techniques, clinical outcomes and complications. Operative techniques included fronto-orbital bandeau tilting after expansion with a midline interpositional -bone graft, detriangulation of foreheads with an inward bending at lateral orbital wall, multiple zigzag osteotomy of frontal bone, barrel-stave osteotomy of parietal bone. The average age of the patients at time of surgery was 11 months. Interorbital distances widened from 18.8 mm to 20.9 mm, biocular distance widened from 67.56 mm to 74.39mm, interorbital distance widened from 13.44mm to 15.65mm, intertemporal distance widened from 58.22mm to 64.16mm. Mean follow-up was 34 months, and no neurological sequelae or other significant complications were encountered. Trigonocephaly requires surgical correction involving anterior two-thirds calvarial remodeling with fronto-orbital advancement and frontal-bone remodeling. The described operative approach minimizes bone defects by adopting multiple zigzag osteotomy of the frontal bone. This modality results in significant improvements in skull form and high patient/parent satisfaction.
dc.identifier.endpage50
dc.identifier.issn1302-1664
dc.identifier.issue1
dc.identifier.scopus2-s2.0-79953759317
dc.identifier.scopusqualityN/A
dc.identifier.startpage42
dc.identifier.trdizinid152947
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/152947
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24616
dc.identifier.volume28
dc.identifier.wosWOS:000288679800006
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherJournal Neurological Sciences
dc.relation.ispartofJournal of Neurological Sciences-Turkish
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectTrigonocephaly
dc.subjectmetopic synostosis
dc.subjectsurgery
dc.titleSurgical Treatment of Trigonocephaly
dc.title.alternativeTrigonosefalinin cerrahi tedavisi
dc.typeArticle

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