Alternative reliable techniques in femoral torsion measurement.
The clinical and conventional bi-planar determinations of femoral torsion were compared with the tomographic technique, the reliability of which was confirmed. Femoral torsions were measured with the trochanteric prominence angle test, the sinus-wave bi-planar conventional radiographic technique, the modified Hermann bi-planar conventional radiographic technique and the limited three-dimensional volumetric tomography technique in 34 femora of 17 patients. There was a strong correlation between the modified Hermann and the limited tomography techniques for 14 intact and 20 fractured femora. If limited three-dimensional volumetric tomography cannot be obtained, the modified Hermann bi-planar conventional radiographic technique must be used in patients who have scarring about the proximal femur and obesity. Otherwise use of the trochanteric prominence angle test is much more cost-effective and is as accurate as the limited three-dimensional volumetric tomography technique.
Delialioglu
M Onder
MO
Fourth Orthopaedics and Traumatology Clinic, Ankara Numune Training and Research Hospital, Ankara, Turkey.
Tasbas
Bulent A
BA
Bayrakci
Kenan
K
Daglar
Bulent
B
Kurt
Murat
M
Agar
Mustafa
M
Gunel
Ugur
U
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005264:Femoral Fractures / Q000000981:diagnostic imaging* / Q000628:therapy; D005269:Femur / Q000000981:diagnostic imaging*; D006801:Humans; D021621:Imaging, Three-Dimensional; D012044:Regression Analysis; D036542:Tomography, Spiral Computed; D014102:Torsion Abnormality / Q000000981:diagnostic imaging