A 68-year-old woman presented to our hospital with pain in her left hip. She said it had started 2 weeks ago and gradually got worse. She gave no history of trauma. However, she did have a history of rheumatoid arthritis, which was well controlled with methotrexate, and carcinoma of the anus which had been treated with chemoradiotherapy. Which of the following is the least likely to be a cause of her pain?
A) Radiotherapy induced avascular necrosis of the hip
B) Femoroacetabular impingement syndrome
C) Gaucher’s disease
D) Systemic Lupus Erythematosus
Comment your diagnosis below to share the light of knowledge in dark times. Correct answer will be posted soon.