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Malignant struma ovarii- Report of a rare case

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Case Report

Author Details : Chhaya Shevra*, Himanshu Kumar

Volume : 8, Issue : 3, Year : 2023

Article Page : 213-215

https://doi.org/10.18231/j.achr.2023.046

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Abstract

Introduction: Struma ovarii is a highly specialized form of mature ovarian teratoma in which the ovary contains >50% of thyroid tissue. It accounts for 1 – 3% of benign teratomas of the ovary. Malignant transformation is observed in 5-37% cases of struma ovarii. Peak age of incidence 4 - 5th decade with excellent prognosis. We report a rare form of malignant struma ovarii, composed of a follicular variant of papillary thyroid carcinoma with capsular invasion.
Case Report: A 65-year-old hypertensive postmenopausal female presented with complaints of pain in abdomen, pelvic mass, frequent micturition, since 3 days. A pelvic sonogram showed an enlarged heterogenous right ovarian mass of sized 12 x 9 x 5 cm, with solid cystic lesion. Left ovary was unilocular and cystic of sized 5.5 x 4 x 3 cm. The uterus and cervix appeared to be normal. She underwent an exploratory laparotomy, and a total abdominal hysterectomy with bilateral salpingo-oophorectomy. Based on histopathological and radiological features an impression of follicular variant of papillary carcinoma of thyroid with capsular invasion was favoured.
Results: The patient was successfully treated with total abdominal hysterectomy with bilateral salpingo-oopherectomy. There are no sign of recurrence and metastasis two months after surgery. Patient is under regular follow up.
Conclusion: Malignant struma ovarii is a medical rarity and very few studies have been reported.
 

Keywords: Malignant struma ovarii, Malignant ovarian tumor, Follicular variant of papillary thyroid carcinoma

How to cite : Shevra C, Kumar H, Malignant struma ovarii- Report of a rare case. IP Arch Cytol Histopathol Res 2023;8(3):213-215

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