the iO aspectU fl aspect ol le 1. Well-defined bilateral triangular sclerosis at

Question

the iO aspectU fl aspect ol le 1. Well-defined bilateral triangular sclerosis at the classic radiographic finding for a. Osteoarthritis b. Ankylosing Spondylitis c. Sacroilitis d. Osteitis condensans illi e. Rheumatoid Arthritis 2. Widening of the medial femoral-acetabular joint space produces which of the following name signs? a. Waldenstroms sign b. Snow capped appearance c. Crescent sign d. Kleins sign e. Protrusio acetabuli 3. Which of the following is a normal femoral (Mickuliz) angle? a. 60-80 degrees b. 90-120 degrees c. 120-130 degrees d. 130-150 degrees e. 150-180 degrees 4. Which of the following line of mensuration is indicated in the suspicion of slipped capital femoral epiphysis? a. Shentons line b. Kleins line c. liofemoral line d. Kohlers line e. Skinners line 5. Snowcap appearance and mushroom deformity are classic radiographic name signs for which of the following diagnosis? a. Slipped capital femoral epiphysis b. Legg Calve Perthes disease c. Femoral acetabular joint dislocation d. Osteoarthritis e. Protrusio acetabul

Explanation / Answer

1.d

Osteitis condensans ilii is a benign sclerosis of the ilium that is commonly seen in young women and has an estimated prevalence of between 1.0% to 3%. The condition is thought to be related to pregnancy, althout it can be seen in men and nulliparous women. When related to pregnancy, it is hypothesized that ligamentous laxity at the sacroiliac joints leads to instability and subsequent sclerosis.

2.a

The femoral head appears slightly flattened & denser than normal on the x-ray. – The joint space is widened (Waldenström sign). – Lateralisation of the femoral head.

3.c

4.b

5.c

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