title: Small renal caliceal calculi as a cause of pain.
abstract: We report 7 cases of long-standing lumbar or flank pain associated with small renal calculi located peripherally in a calix and no obvious obstruction. After stone removal by percutaneous puncture the patients were relieved of the pain.
mesh_terms: D000328:Adult; D004106:Dilatation; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000150:complications* / Q000628:therapy; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology*; D011677:Punctures