Gossypiboma mimicking as dermoid cyst of ovary: a case report.

Gossypiboma is a rare condition caused by retained postoperative foreign bodies. The condition is under reported because of diagnostic difficulties and medicolegal implications associated with it. It may mimic a benign or malignant soft-tissue tumour in the abdomen and pelvis.

Ovarian Yolk Sac Tumor with Granulomatous Reaction Resembling Tuberculosis - A Unique Presentation.

Yolk sac tumors (endodermal sinus tumors) are an important subgroup of germ cell tumors of the ovary. They are seen in young females and are highly aggressive, but respond well to treatment. Although different morphological patterns can be seen on light microscopy, granulomatous reaction and giant cells are a very rare occurrence.