Description of the disease * EnglishPolish Pobierz sekcję do PDF Definition A rare cranial malformation syndrome characterized by the premature closure of both lambdoid sutures and the posterior sagittal suture, resulting in abnormal skull contour (frontal bossing, anterior turricephaly with mild brachycephaly, biparietal narrowing, occipital concavity) and dysmorphic facial features (low-set ears, midfacial hypoplasia). Short stature, developmental delay, epilepsy, and oculomotor dyspraxia have also been reported. Associated anomalies include enlargement of the cerebral ventricles, agenesis of the corpus callosum, Arnold-Chiari malformation type I, venous anomalies of skull, and hydrocephalus. Disease data Classification Malformation syndrome Synonyms BLSS Niesyndromiczna kraniosynostoza obejmująca oba szwy węgłowe i szew strzałkowy Bilateral lambdoid and sagittal synostosis Isolated sagittal and bilambdoid craniosynostosis Non-syndromic sagittal and bilateral lambdoid synostosis ORPHA code 1516 OMIM code 218350 ICD10 code Q87.0 ICD11 code - *Soruce Extended description of the disease Pobierz sekcję do PDF No additional description. Orphanet - interntowa baza danych dotyczących rzadkich chorób i sierochych leków. ©INSERM 1999 - Dostępna na stronie www.orphanet.pl