Anatomical study of the sphenopalatine foramen.
Anatomical variations of the sphenopalatine foramen may correspond to alterations at the arterial nasal irrigation input, which is a relevant condition to treat severe epistaxis through ligation of the sphenopalatine artery.


OBJECTIVE
To study the sphenopalatine foramen in terms of its numeric variation and its location on the lateral nasal wall in relation to the bony ethmoidal crest of the palatine bone.


METHODS
The anatomical studies were carried out in 54 hemifaces.


RESULTS
the sphenopalatine foramen presented the following numeric variation: single (87%, or 47 specimens), double (11,1%, or 6 specimens), and triple (1.9% or one specimen); it was located at the superior nasal meatus in 81.5%, or 44 specimens; 14.8% (8 specimens) between the middle and superior nasal meatus and in the middle nasal meatus in only one case (1.9%).


CONCLUSIONS
We have been able to show a numeric variation of the SPF, its relation with the bony ethmoidal crest and its location in the superior meatus, middle meatus, and in both.
Scanavine
Adriana Bernardini Antunes
AB
Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo.
Navarro
João Adolfo Caldas
JA
Megale
Silvia Regina Molinari de Carvalho Leitão
SR
Anselmo-Lima
Wilma Terezinha
WT
D002102:Cadaver; D006801:Humans; D009296:Nasal Cavity / Q000033:anatomy & histology*; D010159:Palate / Q000033:anatomy & histology*; D013100:Sphenoid Bone / Q000033:anatomy & histology*