Abstract

Ovarian dermoid is a common surgically treatable cause of female infertility. Although the fat component of mature cystic teratoma (MCT) appears hyperechoic on ultrasonography, sometimes it poses a diagnostic challenge to differentiate from a complex ovarian cyst / hemorrhagic cyst. The varied presentation of MCT on ultrasonography is due to varying proportions of components belonging to all three germ cell layers such as epithelium, hair, bone, tooth, and cartilage. This case report describes the high-resolution ultrasonography appearance of MCT in a 48-year-old nulliparous post-menopausal woman and provides an elaborative note on how reliable diagnostic signs of MCT on ultrasonography and prompt recognition of the entity has a favorable outcome on prognosis.

Highlights

  • Mature cystic teratomas (MCTs) of the ovary comprise up to 10-25% of all ovarian neoplasms and are usually seen in the younger age groups [1]

  • The fat component of MCT appears hyperechoic on ultrasonography, sometimes it poses a diagnostic challenge to differentiate from a complex ovarian cyst /hemorrhagic cyst

  • The commonest finding of MCT on ultrasonography is intratumoral fat, which demonstrates regional or diffuse high amplitude echoes seen in 93% of cases

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Summary

Introduction

Mature cystic teratomas (MCTs) of the ovary comprise up to 10-25% of all ovarian neoplasms and are usually seen in the younger age groups [1]. A 48‐year‐old nulliparous postmenopausal woman with complaints of vague left-sided pelvic pain since four weeks attended the department of gynecology. She gave a history of infertility after being married for 18 years and had attained menopause three years prior. On high-resolution ultrasonography, there was a heteroechoic solid-cystic lesion arising from the left ovary measuring 5.9 x 4.7 cm (Figure 1). How to cite this article Reddy R (August 30, 2021) Ovarian Dermoid (Mature Cystic Teratoma) in a Postmenopausal Woman: Incidence of Sonographic Signs. The fat-fluid interface sign was evident on high-resolution ultrasonography images. The patient has given written informed consent to publish her case and clinical images

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Cecchetto G

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