Which lesion is described as an oval echogenic mass within the endometrial cavity?

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Study for the ARRT Ultrasound Test. Engage with flashcards and multiple choice questions, each question offers hints and detailed explanations. Prepare thoroughly for your certification exam!

Multiple Choice

Which lesion is described as an oval echogenic mass within the endometrial cavity?

Explanation:
An endometrial polyp is the most likely explanation. It arises from the lining of the uterus and often projects into the endometrial cavity, appearing as an oval echogenic mass within the canal on ultrasound. Color Doppler may show a stalk with flow, reflecting its vascular pedicle. The other conditions don’t fit the location: endometriosis involves ectopic endometrial tissue outside the uterus; an endometrioma is an ovarian cystic lesion; a paraovarian cyst sits near the ovary in the adnexa, not within the endometrial cavity.

An endometrial polyp is the most likely explanation. It arises from the lining of the uterus and often projects into the endometrial cavity, appearing as an oval echogenic mass within the canal on ultrasound. Color Doppler may show a stalk with flow, reflecting its vascular pedicle. The other conditions don’t fit the location: endometriosis involves ectopic endometrial tissue outside the uterus; an endometrioma is an ovarian cystic lesion; a paraovarian cyst sits near the ovary in the adnexa, not within the endometrial cavity.

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