An uncommon form of a common disease.

The article presents a case study of an 18-month-old boy with intermittent painful limp who was at the time of his birth followed by physical examination which resulted in no fever, mild tenderness and swelling of the left knee. The boy showed signs of lytic lesion in the epiphysis with no chest abnormality. The article discusses limp infection and a empty area was deducted through Magnetic resonance imaging.