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Difficulty: EasyGynecologic Oncology

A 59-year-old female is evaluated in the primary care clinic for new-onset vaginal spotting that has occurred intermittently for the past three weeks. Her last menstrual period was 8 years ago. She has no significant past medical history except for well-controlled hypertension. Her body mass index is 33 kg/m2. Physical examination shows a normal appearing cervix and vaginal mucosa. Which of the following is the most appropriate next step in evaluating this patient's symptoms?

  1. Tissue sampling of the endometriumAnswer
  2. B
    Routine follow-up in one year
  3. C
    Measurement of serum follicle-stimulating hormone
  4. D
    Pelvic magnetic resonance imaging
  5. E
    Initiation of vaginal conjugated equine estrogens

Answer

Tissue sampling of the endometrium
Any episode of bleeding in a postmenopausal woman is abnormal and must be investigated promptly to rule out endometrial hyperplasia and cancer. The patient's obesity is an additional risk factor, as peripheral conversion of androgens to estrogens in adipose tissue leads to unopposed estrogen exposure. The standard of care for initial evaluation is either tissue sampling of the endometrium or a transvaginal ultrasound (to measure endometrial stripe thickness). Since ultrasound is not an option here, tissue sampling is the unequivocally correct next step.

Step-by-Step Solution

1
Identify the primary clinical problem from the vignette.
The patient is a 59-year-old postmenopausal woman with new-onset vaginal bleeding and risk factors for endometrial cancer, such as obesity.
Postmenopausal bleeding is the classic presentation for endometrial carcinoma and requires immediate evaluation.
2
Determine the standard diagnostic pathway for postmenopausal bleeding.
The initial evaluation for postmenopausal bleeding involves either tissue sampling to obtain a histologic diagnosis or transvaginal ultrasound to measure endometrial thickness.
Malignancy must be definitively ruled out before any other diagnosis is considered.
3
Select the most appropriate choice from the given options.
Tissue sampling of the endometrium is the only correct diagnostic modality listed.
Other options involve inappropriate observation, unnecessary laboratory testing, or contraindicated hormone therapies.

Key Concept

Postmenopausal bleeding requires immediate evaluation with endometrial tissue sampling or transvaginal ultrasound to rule out endometrial cancer.
Estimated Time:1m 0s
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Topics

Gynecologic Oncology

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