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Transrectal scanning: an alternative when transvaginal scanning is not feasible
I E Timor-Tritsch1, A Monteagudo, A Rebarber
1Division of Obstetric and Gynecological Ultrasound, Department of Obstetrics and Gynecology, NYU School of Medicine, New York, USA. Ilan.Timor@med.nyu.edu
Summary
Transrectal scanning (TRS) offers superior pelvic imaging when transvaginal sonography (TVS) is not feasible. This ultrasound technique provides clear images comparable to TVS, proving valuable in select patient cases.
Area of Science:
- Medical Imaging
- Ultrasound Technology
- Gynecological Diagnostics
Background:
- Transvaginal sonography (TVS) provides clear pelvic images due to transducer proximity.
- Transvaginal sonography (TVS) offers advantages over transabdominal sonography (TAS) and transperineal sonography (TPS).
- Transrectal scanning (TRS) is typically used for pelvic abscess drainage guidance.
Purpose of the Study:
- To evaluate the applicability of transrectal scanning (TRS) in patients with contraindications to transvaginal sonography (TVS).
Main Methods:
- Forty-two patients unsuitable for TVS underwent both transabdominal sonography (TAS) and transrectal scanning (TRS).
- Transrectal scanning (TRS) utilized a lubricated transvaginal probe inserted into the rectum, mirroring TVS technique.
- Image resolution and quality from both methods were compared.
Main Results:
- Transrectal scanning (TRS) provided superior images compared to transabdominal sonography (TAS) in 31 cases.
- TRS yielded better images than TAS in nine cases, and was comparable in one.
- TRS successfully diagnosed conditions like ovarian cysts and Rokitansky-Küster syndrome in challenging cases where TAS was insufficient.
Conclusions:
- Transrectal scanning (TRS) is a viable alternative when transvaginal sonography (TVS) is contraindicated.
- TRS images are superior to transabdominal sonography (TAS) and comparable to transvaginal sonography (TVS).
- Liberal use of TRS is recommended with appropriate patient selection and counseling.