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What is Shepherd crook deformity is seen in? and explain in detail?
ANSWER: (A) Fibrous dysplasiaREF: Sutton's 7th ed p. 1131Fibrous dysplasia in the femur, deformity due to softening, expansion and fracture gives an appearance likened to a 'shepherd's crook' and discrepancies in limb length result. Lesions are well defined and may be expanded with well-defined margins. These may be lucent, dense or a mixture of the two, with small flecks of density due to ossification