After removal of an ovarian mass in a 43-year-old woman, a struma ovarii was diagnosed. Within this teratoma, a papillary thyroid cancer was found. The tumor was negative for BRAF, NRAS, KRAS, PIK3CA and c-KIT mutations on molecular analysis. Thyroid function and morphology were normal. Thyroidectomy, L-T4 TSH-suppressive therapy and rhTSH-induced radioiodine ablation were performed. So far, th...

Struma ovarii or ovarian goiter is a rare tumor which belongs to the group of monodermal teratomas. This may be associated with signs hyperthyroidism and it benign most time. An increase CA125 levels in serum can potentially lead mis-diagnosis malignant carcinoma preoperatively. The diagnosis usually made on histopathology. Given risk transformation, surgical treatment remains only therapeutic ...

Résumé Le struma ovarii est une tumeur rare qui représente 2,7% des tératomes ovariens et 0,01% des tumeurs ovariennes. Elle survient souvent chez la femme au cours de la cinquième décennie et constitue le plus souvent une surprise de l'examen échographique puis histologique. Sa prise en charge est chirurgicale et son pronostic est excellent. Nous rapportons un cas particulier de struma ovarii,...

Malignant struma ovarii is extremely rare and difficult to diagnose histologically, particularly in cases of follicular carcinoma. This case study is intended to describe three cases of follicular proliferative lesion arising in struma ovarii that we experienced. The first case was clearly malignant given the clinical picture of multiple recurrences, but there was little histological evidence o...

BACKGROUND Struma ovarii is a rare monodermal germ cell tumor where the ovary is comprised of at least half thyroid tissue. This phenomenon may indicate an embryological origin. CASE PRESENTATION A 30-year old nulliparous woman presented with acute right lower quadrant pain and underwent laparoscopic right salpingo-oophorectomy. The excised ovarian mass showed evidence of struma-derived papil...

Struma ovarii is uncommon tumor of ovary which can mimic as advanced carcinoma of ovary. Thyroid tissue is relatively frequent constituent of mature ovarian teratoma. Case of struma ovarii masquerading as cancer of ovary in a female aged 63 yrs showing complex large unilateral multilocular adnexal mass with elevated CA 125 (more than 1721 IU/L) and massive ascites mislead treating surgeons for ...

BACKGROUND Struma ovarii is a rare ovarian neoplasm that often appears malignant on conventional imaging. Pseudo-Meigs' syndrome with ascites, pleural effusion, and elevated serum CA 125 levels is much rarer and leads to misdiagnosis of ovarian cancer and unnecessary extended surgery. CASE PRESENTATION A 50-year-old woman with abdominal distention and dyspnoea was referred to our hospital. Ul...

We present a case of a postmenopausal woman diagnosed with an ovarian mass containing thyroid follicles and foci of papillary thyroid carcinoma during pathological examination. This patient referred having had a metachronous thyroid malignancy 10 years before. The differential diagnosis between a thyroid malignancy arising from a struma ovarii and a metastatic ovarian tumor originating from thy...