Patient Question: My 6-year-old child suddenly said that the thickest muscle on the back of his left calf hurts, and that he walks with a limp, but he still likes to squat, walk, and run. It’s been 3 days. I would like to ask the doctor if I should go to the hospital right away, and which department should I see if I go? Once you get to the local hospital is to take a film what, the child grew up with a cold what more, see a lot of general level of doctors, often ate enough suffering, November head on the lung shot. Li Qiang replied: Patience first ask the child’s left calf has not been injured? Has he participated in strenuous activities? Feel carefully to see if there is a local mass? If not, observe for 1 week, if not, go to the hospital to check the best MRI.