Portal teratoma causing obstructive jaundice in children: a rarity.

Teratoma in children is a common entity, usually occurring both in gonadal and extragonadal sites. Common extragonadal sites for teratoma in children are the sacrococcygeal region, retroperitoneum, and mediastinum. Various unusual extragonadal sites have been reported.

Retrocaval ureter: a rare cause of hydronephrosis in children.

Retrocaval ureter is a relatively rare developmental anomaly of the inferior vena cava. It commonly manifests in the third to fourth decade of life; however, pediatric reports of this condition are very rare. Individuals with this anomaly are symptomatic because of ureteric obstruction.