Adenocarcinoma in retroperitoneal teratoma.

We report a rare case of adenocarcinoma in retroperitoneal teratoma in a 38 year old female patient who attended surgical OPD with complaints of dragging pain and heaviness in left lumbar region. Straight x-ray abdomen showed few irregular calcifications in left lumbar region. USG and CT showed it to be adrenal tumor and retroperitoneal teratoma respectively.

Squamous cell carcinoma arising in a testicular teratoma and presenting as sister Mary joseph nodule.

The most common somatic type malignancy arising in patients with testicular germ cell tumors (GCTs) is sarcoma. Development of carcinomas, especially squamous cell carcinoma is an extremely rare event. Most cases of metastatic umbilical nodules (Sister Mary Joseph nodule) develop from adenocarcinomas.