Endometriosis vs Uterine Fibroids
Endometriosis and Uterine Fibroids are easy to mix up on the boards. Here's a side-by-side comparison — presentation, workup, imaging, and first-line treatment — drawn from our full outlines.
Endometriosis vs Uterine Fibroids at a glance
- Endometriosis: Ectopic endometrial-like tissue causing cyclic pelvic pain, dysmenorrhea, dyspareunia, and infertility.
- Uterine Fibroids: Benign smooth-muscle tumors of the myometrium causing heavy bleeding, bulk symptoms, and reproductive complications.
Keep comparing — start your free trial
You've used your 2 free previews. Create your free account to see the full Endometriosis vs Uterine Fibroids comparison — plus all 514 diagnosis outlines, 5,500+ board-style questions, and an AI tutor. Your 7-day free trial includes everything, no credit card required.
Side-by-side comparison
| Feature | Endometriosis | Uterine Fibroids |
|---|---|---|
| At a glance | Ectopic endometrial-like tissue causing cyclic pelvic pain, dysmenorrhea, dyspareunia, and infertility. | Benign smooth-muscle tumors of the myometrium causing heavy bleeding, bulk symptoms, and reproductive complications. |
| Classic presentation | Reproductive-age woman with progressive secondary dysmenorrhea, deep dyspareunia, and infertility; ovarian 'chocolate cyst' on ultrasound.; Cyclic pelvic pain… | Premenopausal woman with heavy menses, iron-deficiency anemia, and an enlarged irregular uterus.; Heavy menstrual bleeding (most common); prolonged or… |
| Workup / key labs | Historically definitive diagnosis required laparoscopic visualization with histologic confirmation; current ACOG/ESHRE guidance supports clinical diagnosis… | CBC (iron-deficiency anemia common), ferritin; TSH, prolactin if irregular bleeding; Pregnancy test; Endometrial biopsy if age ≥45, risk factors for… |
| Imaging | Transvaginal ultrasound — first-line; identifies endometriomas (homogeneous low-level echoes, 'ground glass' appearance) and deep infiltrating disease; MRI —… | Transvaginal ultrasound — first-line; characterizes size, number, location; Saline-infusion sonohysterography or hysteroscopy — best for submucosal fibroids… |
| First-line treatment | NSAIDs — ibuprofen, naproxen — for pain; Combined hormonal contraception (COCP, patch, ring) — continuous or cyclic; first-line hormonal therapy; Progestins —… | Expectant management for asymptomatic fibroids; NSAIDs for dysmenorrhea; Tranexamic acid 1.3 g TID × up to 5 days per cycle for heavy bleeding; Combined… |
Drill Endometriosis vs Uterine Fibroids questions on FirstPassPA
Turn this comparison into retention. 5,500+ board-style questions with an AI tutor that explains every answer — free to start, no card required.
Start studying free → Try today's free questionEducational use only. This outline is a study aid for PA students and is not medical advice or a substitute for clinical judgment. FirstPassPA is an independent study tool and is not affiliated with, endorsed by, or sponsored by NCCPA. PANCE® and PANRE® are registered trademarks of the National Commission on Certification of Physician Assistants.