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Case Report

Int Med. 2020; 2(3): 185-188


Sonographic Appearance of Krukenberg Tumours. A Rare case report

Iuliia Naumova, Camil Castelo Branco.


Abstract

Kruckenberg tumor is a metastatic lesion of the ovary, the source of which is the primary cancerous focus in other organs (generally in the digestive system); it often causes difficulties in differential diagnosis with primary ovarian cancer.
We report a case of a 67 year-old woman who presented bilateral, 3 cm in diameter, pure solid, encapsulated and hyperechoic smooth masses, surrounded by an hypoechoic ring with a clear tumour margins. Doppler ultrasonography revealed abundant vascularisation, with a characteristic tree-shaped structure penetrating from the periphery into the central part of the lesion with low impedance and diminished vascular resistance. Approximately 5% to 10% of all ovarian malignancies are metastatic carcinomas. Asymmetrically enlarged bilateral encapsulated masses, with variable intratumoural echogenic density, and ascites are the main characteristics on sonography of Krukenberg tumours. The structure of these tumours is usually hyperechoic with abundant vascularisation. Several sonographic markers have been used to show the low impedance of intratumoural circulation in ovarian malignancy, attributing this to active angiogenesis of these tumours. Krukenberg tumours have a poor prognosis, with an overall 5 year survival rate of 12%. Hence prophylactic bilateral ooforectomy is recommended for women with stomach cancer.

Key words: Krukenberg tumours, gastric carcinoma, ovarian tumours, ultrasound, doppler.






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