Given the task definition and input, reply with output. In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: A 14-year-old boy, 158 cm tall and weighing 76 kg, who came to our clinic for presenting for 4 months, without a previous traumatic event, mechanical pain in the right inguinal region, presented in the current clinical exploration, lameness with March with slight attitude in external rotation of said lower limb and limitation of hip flexion in neutral rotation. The diagnosis of suspicion will be:
Options: <0> Fracture of the femoral neck. <1> Proximal femoral epiphysiolysis. <2> Perthes disease. <3> Still's disease <4> Transient synovitis of the hip.
medicine