Sectoral sign is positive in ?

Ans. is 'a' i.e., Avascular necrosis of femur head Clinical features of AVN In the earlier stages of AVN, the patient is asymptomatic, and by the time patient presents, the lesion is well advanced. Common histories patient gives (Any of the following) : - i) Dislocation of Hip ii) Alcoholism iii) Steroid intake for any disorder iv) Nephrotic syndrome Pain is a common complaint. Pain is felt in the grain and may radiate to knee. Decreased range of motion especially internal rotation followed by abduction. Sectoral sign or Differential rotation : - Internal rotation is possible in extended position of hip, but as seen as the hip is flexed to 90deg no internal rotation is possible. This is the characteristic sign of AVN. o Limp with antalgic gait. Trendelenberg's test positive.