Management of Bleeding in Patients with Uterine Mass
Start with first-line medical therapy using combined hormonal contraceptives, levonorgestrel IUD, or tranexamic acid to control bleeding while simultaneously correcting anemia with iron supplementation. 1, 2
Immediate Assessment Requirements
Before initiating treatment, you must:
- Perform endometrial biopsy if the patient is ≥35 years old, has risk factors for endometrial cancer, or has endometrial thickening >1.5 cm to rule out hyperplasia or malignancy 3, 2
- Obtain complete blood count to assess degree of anemia and platelet count 4, 5
- Perform pregnancy test (beta-hCG) to exclude pregnancy-related bleeding 3, 6
- Check thyroid function and prolactin levels as thyroid dysfunction and hyperprolactinemia commonly cause abnormal bleeding 3, 6
- Obtain pelvic ultrasound (transvaginal preferred) to characterize fibroid size, number, and location 2, 5
First-Line Medical Management for Bleeding Control
The most effective medical options, ranked by efficacy:
- Levonorgestrel-releasing IUD - Most effective first-line treatment for reducing menstrual blood loss 1, 5
- Combined hormonal contraceptives (oral contraceptive pills) - Particularly effective for women with small fibroids 3, 1
- Tranexamic acid - Important nonhormonal alternative that significantly reduces menstrual blood loss, especially when hormonal options are contraindicated or not desired 3, 1, 5
- NSAIDs - Effective for pain control and modest reduction in bleeding 1, 6
Critical caveat: Tranexamic acid may cause fibroid necrosis leading to pelvic pain and fever, though it effectively reduces menorrhagia 3
Second-Line Medical Management
If first-line therapy fails or is inadequate:
- GnRH antagonists (relugolix, elagolix, linzagolix) with hormone add-back therapy - These reduce both bleeding symptoms and fibroid volume more effectively than first-line options 1, 2
- Combination low-dose estrogen/progestin add-back therapy mitigates hypoestrogenic side effects while maintaining efficacy 1, 2
- GnRH agonists - Effective for reducing bleeding and fibroid volume but require add-back therapy to prevent bone mineral density loss with prolonged use 3, 1
Important limitation: Fertility is suppressed during GnRH therapy, and symptoms typically recur rapidly after cessation 1
Surgical and Interventional Options
When medical management fails, is contraindicated, or patient has concomitant significant intracavitary lesions:
For Fertility Preservation:
- Hysteroscopic myomectomy for submucosal fibroids 2
- Laparoscopic or open myomectomy for intramural or subserosal fibroids, though recurrence rates range 23-33% 3, 2
For Non-Fertility Candidates:
- Uterine artery embolization (UAE) - Achieves >50% reduction in fibroid size at 5 years with shorter hospital stay and decreased blood loss compared to surgery, but has higher reintervention rates (up to 36%) 3, 2
- Endometrial ablation - For women with completed childbearing and no structural abnormalities 3, 5
- Hysterectomy - Most definitive treatment with significantly better long-term quality of life compared to other options, though UAE shows similar quality of life at 5 years 3
Critical warning: Avoid morcellation in minimally invasive procedures due to risk of spreading occult malignancy and worsening disease-free survival 3
Special Clinical Scenarios
Large or Multiple Fibroids:
- Preoperative GnRH agonists/antagonists for 3 months to reduce fibroid size and correct anemia before surgery 1, 2
- Concurrent iron supplementation during medical therapy 2, 5
Vascular Malformations:
If imaging shows dilated vessels within myometrial mass with profuse bleeding, consider uterine artery embolization as this may represent arteriovenous malformation rather than typical fibroid 7
Failed Medical Therapy:
- Perform hysteroscopy to visualize endometrial cavity and diagnose focal lesions possibly missed by endometrial sampling 3
- Consider saline infusion sonohysterography (96-100% sensitivity) for assessing intracavitary pathology 3, 5
Treatment Algorithm
Step 1: Correct anemia with iron + initiate first-line medical therapy (levonorgestrel IUD, combined hormonal contraceptives, or tranexamic acid) 1, 2, 5
Step 2: If inadequate response after 3 months, escalate to GnRH antagonists with hormone add-back therapy 1
Step 3: If medical management fails or structural lesions identified, proceed to: