eMedicine Specialties > Pediatrics: Surgery > Gynecology
Vaginal Atresia: Workup
Updated: Dec 11, 2008
Workup
Laboratory Studies
- Standard evaluation of primary amenorrhea includes an evaluation of hormone levels of luteinizing hormone (LH), follicle-stimulating hormone (FSH), prolactin, estradiol, and progesterone. In 19 patients with vaginal agenesis, Carranza-Lira et al (1999) reported ovarian steroid production at reference levels and, except for absence of menstrual flow, normal pubertal progression.10
- Evaluation of renal function is prudent because of the association of renal anomalies in as many as one third of patients with Rokitansky-Mayer-Küster-Hauser (RMKH) syndrome.
Imaging Studies
- Ultrasonography is the cornerstone of imaging in patients with suspected vaginal atresia. Abdominal, pelvic, and transperineal sonograms depict the ovaries, uterus, and proximal vagina. They enable anatomic evaluation of the urinary tract.
- Although MRI is routinely obtained to further delineate the internal anatomy in patients with vaginal agenesis, MRI may be only 31% sensitive in depicting uterine structures in patients with vaginal agenesis.11
- Communicate with the radiologist regarding the suspected anatomy to optimize the results of the evaluation.
- Insertion of a catheter into the urinary tract or identification of the location of the perineal dimple by using a vitamin E capsule may aid anatomic interpretation.
- Reconstruction of 3-dimensional images of the pelvis may facilitate the surgical procedure, particularly when a proximal vaginal pouch (eg, in transverse septum) or when duplication anomalies of the vaginal tract are present.
Other Tests
- A karyotype is frequently obtained in the evaluation of complex anomalies. Patients with the most common presentation of vaginal atresia associated with RMKH syndrome typically have a normal 46,XX karyotype.
- When perineal examination findings indicate ambiguous genitalia that may be the result of androgen insensitivity syndrome (also called testicular feminization), karyotype analysis is essential.
- In patients with androgen insensitivity syndrome, physical examination may reveal a shallow vaginal pouch, and rectal examination may reveal the absence of a palpable cervix.
- A 46,XY karyotype is a corroborative finding and should prompt an endocrine evaluation.
- Young patients with androgen insensitivity syndrome are occasionally identified in the operating room while undergoing repair of an inguinal hernia.
Diagnostic Procedures
- Invasive procedures are usually unnecessary and should be avoided unless diagnostic radiographic results are inconclusive.
- Laparoscopy may be necessary to evaluate the uterus and adnexal structures if they are not clearly identified on sonograms or MRIs.
- Patients with a solitary kidney, who are at risk for vesicoureteral reflux, should undergo voiding cystourethrography to determine the need for antibiotic prophylaxis.
More on Vaginal Atresia |
| Overview: Vaginal Atresia |
Workup: Vaginal Atresia |
| Treatment: Vaginal Atresia |
| Follow-up: Vaginal Atresia |
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References
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Further Reading
Keywords
vaginal atresia, vaginal agenesis, Rokitansky-Mayer-Küster-Hauser syndrome, RMKH, Rokitansky-Mayer syndrome, Rokitansky syndrome, Rokitansky's syndrome, müllerian agenesis, McKusick-Kaufman syndrome, MKKS, Bardet-Biedl syndrome, BBS, absent vagina, uterovaginal outflow tract obstruction, vaginal obstruction, transverse vaginal septum, müllerian-inhibiting substance, MIS, amenorrhea, hydrometrocolpos, postaxial polydactyly, imperforate anus, congenital heart defects, secondary endometriosis
Workup: Vaginal Atresia