ArticleSurgical and radiologic anatomy : SRA2026
Morphometric and morphological assessment of the piriform aperture in dry crania: anatomical observations and surgical implications.
Article in Surgical and radiologic anatomy : SRA, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe piriform aperture (PA) is a critical anatomical structure that forms the bony framework of the nasal inlet and influences nasal airway patency and support of the nasal base. This study aimed to present detailed morphometric and morphological data on the PA to contribute to the surgical anatomy of PA enlargement. MATERIALS AND
methodsSeventy adult crania (female, n = 34; male, n = 36) were included. Using standardized digital images, PA length, PA width, related craniometric distances, and planimetric area were measured with ImageJ software. PA morphology was classified into six types.
resultsPA length was 4.71 ± 0.67 cm in females and 5.54 ± 0.50 cm in males; PA width was 3.52 ± 0.39 cm in females and 3.80 ± 0.35 cm in males. PA area was 12.61 ± 2.77 cm
conclusionPA morphometry demonstrates marked sexual dimorphism. In males, PA length was approximately 18% greater and PA area approximately 27% greater, reflecting the combined effect of increased length and width.
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