Shepherd Crook deformity is a feature of:
a. Fibrous dysplasia: In this disorder normal bone is replaced by fibrous tissue.
b. Clinical feature of fibrous dysplasia
c. Only one bone affected (monostotic)
d. Many bones affected (polyostotic)
e. Precocious puberty in girls'
f. Cutaneous pigmentation (cafe-au-lait spot)
g. Albright's syndrome (polyostotic, cafe-au-lait spot, precocious sexual development)
h. The weight bearing bones may be bent, and one of the classic features is the "Shepherd's Crook" deformity of the proximal femur.
i. X-ray-Cystic area in metaphysis and "ground glass" appearance.
j. Perthes’ disease (coxa plana, pseudocoxalgia) is an osteochondritis of the epiphysis of the femoral head.
k. Commonly occurs in boys of age group 5-10 years.