A beaklike bony extension of the medial aspect of the greater sciatic notch:: a radiographic appearance sexually influenced

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Gulekon İ. N., Turgut H.

SURGICAL AND RADIOLOGIC ANATOMY, no.2, pp.117-119, 2002 (SCI-Expanded)

• Publication Type: Article / Article
• Publication Date: 2002
• Doi Number: 10.1007/s00276-002-0002-0
• Journal Name: SURGICAL AND RADIOLOGIC ANATOMY
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.117-119
• Gazi University Affiliated: Yes

Abstract

The bony pelvis provides more obvious sex differences than any other bone in the human skeleton. This study evaluates a bony extension of the medial aspect of the greater sciatic notch, which extends caudad to the arcuate line as seen on pelvic radiographs. A total of 2620 randomly selected supine pelvic radiographs (anteroposterior view) of adult females and males were reviewed. The subjects belonged to a central Anatolian population and their age ranged between 18 and 77 years in females and between 18 and 81 years in males. Only 22 (1.7%) of the 1337 female pelvic radiographs showed a bony extension, whereas 882 (68.8%) of the males had one. All these bony extensions were bilateral and symmetric. The results were statistically significant (P < 0.001). We assert that this radiographic appearance is a male characteristic.