ObjectiveTo describe, in a cadaver study, the
anatomical arrangement of the proximal third medial femoral circumflex artery
(MFCA).MethodsWe evaluated the anatomic arrangement of the proximal third
of the MFCA through dissection in 12 cadaver hips. After measuring their height
in meters (M), several parameters were determined: angle of lateralization of
MFCA (Â), Depth MFCA in relation to the superomedial origin of the quadratus
femoris muscle (P), and distance of MFCA from the superolateral insertion of
the muscle quadratus femoris (D).ResultsIn the comparison of mean parameters
between the sexes, it was noted that: Male  = 43.6 degrees, female  = 38.3
degrees. Male D = 6mm, female D = 9.5mm. Male P = 20.8 mm, female P = 18.3mm.
The average for parameters A and P were lower in females, but parameter D was
higher in females.ConclusionWe should use, as the secure surface parameter for the proximal
third of the MFCA, the superolateral insertion point of the quadratus femoris.
The fact that the parameter D of MFCA is greater in females than in males. Disconnecting
the quadratus femoris at its point of origin in the isquio may offer greater
security to MFCA than doing it at the point of femoral insertion. Level of
Evidence.
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