eMedicine Specialties > Obstetrics and Gynecology > Gynecologic Surgery
Hysteroscopy: Workup
Updated: Jul 16, 2006
Workup
Laboratory Studies
- CBC: As in most surgical procedures, the CBC provides the surgeon with information the patient's baseline status and, if blood loss is encountered, with an idea of how much blood loss is acceptable. A blood count in the reference range also ensures adequate oxygenation to all vital and healing tissues and an adequate immune response.
- Blood typing and screening: With the risk of hemorrhage approaching 7-8% in some surgical hysteroscopic procedures, a sample in the blood bank increases the efficiency of access to replacement blood products if needed.
- Electrolyte determinations: In patients with medical disorders that predispose them to metabolic abnormalities (eg, diuretic use), electrolytes should be tested preoperatively. Some surgeons routinely obtain baseline levels in case a significant deficit of distention medium occurs (especially with a hyposmolar solution), whereas most obtain electrolyte levels intraoperatively or postoperatively only if a clinically significant fluid deficit occurs. The ultimate decision should be based on the type of case, the surgeon's skill, the suspected fluid absorption, and the ability to accurately ascertain fluid deficits in the operating room.
- Determination of human chorionic gonadotropin (hCG) levels: Determination of pregnancy status is mandatory in any woman of reproductive age.
- Cervical cultures: Depending on the prevalence of chlamydia and gonorrhea in the population, this may be a worthwhile preoperative test. Also, if the patient is reporting a vaginal discharge, cultures and a wet smear for bacterial vaginosis and trichomoniasis are recommended.
- Papanicolaou test (Pap smear): A normal finding on Pap smear, or at least an abnormal finding on Pap smear that has been appropriately evaluated, is required because trauma to the cervix may alter the appearance of any abnormalities.
Imaging Studies
- Hysterosalpingogram or sonohysterogram: For evaluating the uterine cavity and patency of fallopian tubes, hysterosalpingography is the superior study. However, to selectively look at the uterine cavity, sonohysterography or saline-infused sonography appears to have a better negative and predictive values than those of hysterosalpingogram for determining the location and size of fibroids and endometrial polyps and for ascertaining the presence of most uterine anomalies, including septa, bicornuate uteri, didelphic uteri, and even dense adhesions.
- CT scanning or MRI: These imaging studies are not usually needed unless the findings on sonohysterography or hysterosalpingography are inconclusive.
Diagnostic Procedures
- Endometrial biopsy is indicated in perimenopausal or menopausal women with irregular bleeding (eg, heavy menses, irregular spotting, prolonged menses) or in women with absent menses and at least 6 months of unopposed estrogen. In these women, the risk for endometrial hyperplasia or cancer is increased.
- In any woman undergoing endometrial ablation, benign endometrial tissue should be pathologically confirmed.
More on Hysteroscopy |
| Overview: Hysteroscopy |
Workup: Hysteroscopy |
| Treatment: Hysteroscopy |
| Follow-up: Hysteroscopy |
| References |
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References
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Further Reading
Keywords
hysteroscope, rigid hysteroscope, contact hysteroscope, microcolpohysteroscope, flexible hysteroscope, electrosurgery, myomectomy, resectoscope, proximal tubal obstruction, removal of IUD, intrauterine device, müllerian anomalies, infertility evaluation, abnormal uterine bleeding, AUB, endometrial ablation
Workup: Hysteroscopy