Yaqoob N, Ahmed Z, Jafri N, Muzaffar S, Hasan S H.
Renal Teratoma: a Rare Entity.
J Pak Med Assoc Jan ;53(10):492-3.

A two month old baby girl was admitted in the department of paediatric surgery of a children hospital, with the complaints of abdominal distension since birth. On examination her weight was 3.5 kgs and her abdomen was hugely distended. On palpation a firm mass of about 11 x 6 x 6 cms was palpable on left side of the abdomen, which was crossing to the right side as well. The mass was nontender, moving with respiration and the margins were irregular. Her blood picture showed a haemoglobin concentration of 12.0 gm/dl, X-ray abdomen showed a soft tissue mass with areas of calcification in the left side of the abdomen, which was pushing intestinal loops towards right and upper side. Ultrasound of abdomen revealed a complex mass measuring 10.5 x 6 cms, partly cystic and partly solid in nature on the left side of abdomen, crossing to the right side. The left kidney was not visualized on ultrasound. Provisional diagnosis of hydronephrosis/ Kidney tumor was made. Patient was operated upon; laparotomy was done. A large partly cystic and partly solid mass with extensive areas of haemorrhage in the cystic areas was present in the left lumbar region. It was roughly spherical in shape, crossing the midline. After peeling the overlying descending transverse colon from the mass, it was resected out in toto. Postoperative recovery of the patient was uneventful and she was discharged on 8th postoperative day. The specimen was sent for histopathological examination. The diagnosis was mature teratoma with focal immature component.

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