Medical MCQ - A 33 yr /M has history of A, now complaints of pain left hip. On examination there is Flexion, External Rotation of left lower limb is present. There is 7 cm shoening of left lower limb, there is a gluteal mass felt which moves with the movement of femoral shaft, most probable diagnosis could be?

A 33 yr /M has history of A, now complaints of pain left hip. On examination there is Flexion, External Rotation of left lower limb is present. There is 7 cm shoening of left lower limb, there is a gluteal mass felt which moves with the movement of femoral shaft, most probable diagnosis could be?

Anterior dislocation of hip

Central fracture dislocation

Posterior dislocation

Pipkin's type 4 fracture

Question Category:

Orthopaedics

Correct Answer:

Pipkin's type 4 fracture

Description:

Anterior dislocation is ruled out because it will have Flexion Abduction External Rotation with lengthening and anterior femoral head (Mass that moves with femur shaft is femur head). Central dislocation is ruled out because it will have shoening and femur head palpable on per rectal examination. Posterior dislocation will have Flexion Adduction and internal rotation with shoening and gluteal femoral head. Pipkins type IV: Shoening and gluteal mass with atypical features Type I: Femoral head fracture caudal to fovea centralis. Type II: Femoral head fracture cephalad to the fovea. Type III: Femoral head fracture associated with femoral neck fracture. Type IV: Type I, II or III with associated acetabular fracture.

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