title: Renal abscess in infancy.
abstract: Renal abscess is a rare occurrence in infancy. Its differentiation from an infected renal cyst may be difficult, especially if a perinephric abscess develops. This report illustrates a hitherto unrecorded unusual presentation of renal abscess as a tumour arising from the left lumbocostal region in an infant.
mesh_terms: D000038:Abscess / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007223:Infant; D007674:Kidney Diseases / Q000175:diagnosis*; D013203:Staphylococcal Infections / Q000175:diagnosis*