J Korean Radiol Soc.  1994 Dec;31(6):1179-1183.

Herniation Pits of the Femur Neck: Incidence and Radiologic Findings

Abstract

PURPOSE
In order to assess the incidence and radiologic findings of herniation pit of the femur neck in Korean. IVlaterials and Methods:In 152 macerated femurs of 88 cadavers, and randomly selected 115 hips of 70 patients, the presence of herniation pit was determi ned by using fluoroscopy and radiography. It was then examined by CT for inspection of overlying surface and its opening was confirmed by inserting thin steal wire under the fluoroscopic guidance.
RESULTS
Seventeen herniation pits in 15 macerated femurs of 13 cadavers were noted. (14.8%, 13/88). Two of 13 individuals showed bilaterality. All lesions were found only in males. Six herniation pit in 6 femurs of 6 patients (8.6%, 6/70) were also noted. All lesions were on anterosuperior aspect of. femur neck. Plain radiographs of macerated femurs revealed well marginated and thin sclerosis in 15 lesions. Of all 23 lesions, CTshowed cortical breakdown in 3, and overlying cortical thickening in 8. In 15 macerated femurs, roughed area of cortex was found in anterosuperior aspect of femur in all cases, and tiny openings(diameter less than 1 mm) related to cystic lesions were confirmed in 9 lesions.
CONCLUSION
The incidence of herniation pits was 14.8% in 88 cadaver, and 8.6% in 70 patients. All were males.


MeSH Terms

Cadaver
Femur Neck*
Femur*
Fluoroscopy
Hip
Humans
Incidence*
Male
Radiography
Sclerosis
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