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Uterine Adenomyosis

By

Charlie C. Kilpatrick

, MD, MEd, Baylor College of Medicine

Last full review/revision Mar 2021| Content last modified Mar 2021
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Uterine adenomyosis is the presence of endometrial glands and stroma in the uterine musculature; it tends to cause a diffusely enlarged uterus.

In adenomyosis, the ectopic endometrial tissue tends to induce diffuse uterine enlargement (globular uterine enlargement). The uterus may double or triple in size but typically does not exceed the size of a uterus at 12 weeks' gestation.

Symptoms and Signs of Uterine Adenomyosis

Common symptoms of uterine adenomyosis are heavy menstrual bleeding, dysmenorrhea, and anemia. Chronic pelvic pain may also be present.

Symptoms may resolve after menopause.

Diagnosis of Uterine Adenomyosis

  • Usually ultrasonography or MRI

Uterine adenomyosis is suggested by symptoms and diffuse uterine enlargement in patients without endometriosis or fibroids. Transvaginal ultrasonography and MRI are commonly used for diagnosis, although definitive diagnosis requires histology after hysterectomy.

Treatment of Uterine Adenomyosis

  • Hysterectomy

The most effective treatment for uterine adenomyosis is hysterectomy.

Hormonal treatments similar to those used to treat endometriosis Drug therapy In endometriosis, functioning endometrial tissue is implanted in the pelvis outside the uterine cavity. Symptoms depend on location of the implants and may include dysmenorrhea, dyspareunia... read more may be tried. Treatment with oral contraceptives can be tried but is usually unsuccessful. A levonorgestrel-releasing intrauterine device (IUD) may help control dysmenorrhea and bleeding.

Key Points

  • In uterine adenomyosis, the uterus may double or triple in size.

  • It commonly causes heavy menstrual bleeding, dysmenorrhea, and anemia and may cause chronic pelvic pain; symptoms may resolve after menopause.

  • Diagnose by transvaginal ultrasonography and/or MRI; however, definitive diagnosis requires histology after hysterectomy.

  • The most effective treatment is hysterectomy, but hormonal treatments (eg, oral contraceptives) can be tried.

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