What is the most common uterine benign lesion?

Prepare for the WCUI/Smith Chason Exit Assessment – Abdomen, Vascular, OB/GYN Test. Enhance your study with flashcards and detailed multiple choice questions, complete with hints and explanations. Master your exit exam with confidence!

Multiple Choice

What is the most common uterine benign lesion?

Explanation:
The most common benign lesion of the uterus is a leiomyoma, also known as a fibroid. These are smooth muscle tumors arising from the myometrium and are often estrogen-sensitive, which is why they commonly grow during reproductive years and may be multiple. Many fibroids are asymptomatic, but depending on their size and location they can cause heavy menstrual bleeding, pelvic pressure, or fertility issues. On ultrasound, they typically appear as well-defined, round masses within the uterus—often intramural or subserosal. Endometrial polyps are benign growths of the endometrium and can cause abnormal bleeding, but they originate from the lining, not the myometrium, and are less common than fibroids. Adenomyosis involves endometrial tissue within the myometrium and usually presents with a diffusely enlarged uterus and painful periods rather than discrete uterine masses. Ovarian cysts originate from the ovaries, not the uterus, so they are not considered uterine lesions.

The most common benign lesion of the uterus is a leiomyoma, also known as a fibroid. These are smooth muscle tumors arising from the myometrium and are often estrogen-sensitive, which is why they commonly grow during reproductive years and may be multiple. Many fibroids are asymptomatic, but depending on their size and location they can cause heavy menstrual bleeding, pelvic pressure, or fertility issues. On ultrasound, they typically appear as well-defined, round masses within the uterus—often intramural or subserosal.

Endometrial polyps are benign growths of the endometrium and can cause abnormal bleeding, but they originate from the lining, not the myometrium, and are less common than fibroids. Adenomyosis involves endometrial tissue within the myometrium and usually presents with a diffusely enlarged uterus and painful periods rather than discrete uterine masses. Ovarian cysts originate from the ovaries, not the uterus, so they are not considered uterine lesions.

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