<prompt> Totting fence post appearance of femur is seen in:Fibrous dysplasiaHyper parathyroidismPagets diseaseFracture neck of femur  <response>: Ans: B Hyperparathyroidism Ref: Harrisons Principles of Internal Medicine, 18th ed. and Internet Source Explanation: Renal Osteodystrophy CRF leading on to hyperparathyroidism Signs of chronic renal failure Findings of osteomalacia Hyperparathyroidism Bone sclerosis Rugger jersey spine Totting fence post appearance: Due to Rickets Hyperparathyroidism In children, metaphyseal changes resembling rickets are seen, which together with cortical erosions can give rise to the so-called Totting fence-post appearance, particularly at the femoral neck. Loosers zone 