Comparative morphometric study of the sigmoid sinus sulcus and the jugular foramen

• Published in: Arquivos de neuro-psiquiatria Vol. 72; no. 9; pp. 694 - 698
• Main Authors: Ramos-Junior, Silvio Pereira, Gusmão, Sebastião Natanael da Silva, Raso, Jair Leopoldo, Nicolato, Arthur Adolfo, Santos, Marcileia, Caetano, Isabela Maciel
• Format: Journal Article
• Language: English
• Published: Brazil Academia Brasileira de Neurologia - ABNEURO 01-09-2014; Academia Brasileira de Neurologia (ABNEURO)
• Subjects: Adult; Anatomic Landmarks - anatomy & histology; base do crânio; Cephalometry - instrumentation; Cephalometry - methods; Cranial Sinuses - anatomy & histology; forame jugular; fossa posterior; Humans; Lasers; NEUROSCIENCES; Occipital Bone - anatomy & histology; pontos craniométricos; PSYCHIATRY; Reference Values; seio sigmóideo; Skull Base - anatomy & histology; Transillumination - methods; seio sigmóideo; base do crânio; jugular foramen; pontos craniométricos; fossa posterior; skull base; forame jugular; craniometric points; sigmoid sinus; posterior fossa
• ISSN: 0004-282X; 1678-4227; 1678-4227; 0004-282X
• DOI: 10.1590/0004-282X20140117

To compare the right and left sides of the same skulls as far as the described landmarks are concerned, and establish the craniometric differences between them.
We carried out measurements in 50 adult dry human skulls comparing both sides.
The sigmoid sinus width at the sinodural angle level was larger on the right side in 78% of the cases and at the level of the digastric notch in 72%. The jugular foramen width was also larger on the right side in 84% of the cases. The sigmoid sinus distance at the level of the digastric notch was larger on the right side in 64% of the cases, and the sigmoid sinus distance at the level of the digastric notch to the jugular foramen was larger on the right side in 70% of the cases.
Significant craniometric differences were found between both sides of the same skulls.