Bilateral renal lymphangiectasia—an unusual cause of abdominal distension and flank pain in a child

Renal lymphangiectasia (RL, also known as renal lymphangiomatosis or renal lymphangioma or parapelvic lymphangiectasia) is an uncommon benign disorder characterized by dilatation of perirenal, peripelvic and intrarenal lymphatic channels secondary to obstruction (1,2). About five cases of this entity in pediatric age group have been illustrated in literature till date (3-7). Diagnosis is based on the characteristic radiological findings. An 11 years old male patient presented with the history of fatigue, progressively increasing abdominal distension and bilateral flank pain since last 2 months.