How Pelvic Ultrasound Scans Aid in Early Detection

How to Assess the Ureters during Pelvic Ultrasound: Bladder & Pelvic Scan

Pelvic ultrasound is a widely used diagnostic tool for evaluating various conditions affecting the reproductive organs and surrounding structures in both men and women. While the primary focus of pelvic ultrasound is often on the uterus, ovaries, and bladder, it is essential not to overlook the assessment of the ureters. In this blog post, we will explore the importance of assessing the ureters during a pelvic ultrasound and discuss the role of the bladder and pelvic scan in evaluating these structures.

Understanding the Ureters

The ureters are muscular tubes that connect the kidneys to the urinary bladder. They play a crucial role in transporting urine from the kidneys to the bladder, facilitating the elimination of waste products from the body. Any abnormalities or obstructions in the ureters can lead to significant health issues, including urinary tract infections, kidney stones, and hydronephrosis.

Importance of Assessing the Ureters

During a pelvic ultrasound, the evaluation of the ureters provides valuable information about their size, shape, position, and any potential abnormalities. Assessing the ureters can help detect various conditions, such as ureteral stones, tumors, strictures, and ureteral reflux (the backward flow of urine from the bladder into the ureters). Timely identification of these abnormalities allows for appropriate management and treatment.

The Role of Bladder and Pelvic Scan

The bladder and pelvic scan is a vital component of a comprehensive pelvic ultrasound examination. It involves assessing the bladder, uterus, ovaries, and surrounding structures, including the ureters. Here’s how the bladder and pelvic scan helps in evaluating the ureters:

Bladder Assessment
The bladder acts as a landmark for identifying the ureters during a pelvic ultrasound. A thorough evaluation of the bladder can help determine its shape, size, and wall thickness. It also allows for the assessment of bladder capacity and the presence of any masses, stones, or abnormalities that might affect the ureters.

Ureteral Jet Assessment
During a bladder and pelvic scan, the technician or radiologist may use a technique called color Doppler to visualize the ureteral jets. Ureteral jets refer to the tiny spurts of urine that are ejected from the ureteral openings into the bladder. The presence and normal appearance of these jets indicate that the ureters are functioning properly.

Hydronephrosis Evaluation
Hydronephrosis is a condition characterized by the swelling of the kidneys due to the accumulation of urine caused by a blockage in the urinary tract, which can include the ureters. The bladder and pelvic scan allows for the assessment of hydronephrosis by observing the dilatation of the renal pelvis and calyces. This finding can prompt further investigation to determine the cause of the obstruction.


When performing a pelvic ultrasound, it is crucial to assess the ureters in addition to the bladder, uterus, and ovaries. The bladder and pelvic scan provides valuable information about the ureters, aiding in the detection of abnormalities and assisting in the diagnosis and management of various urinary tract conditions. By including a thorough evaluation of the ureters during pelvic ultrasound, healthcare professionals can provide better care and ensure optimal patient outcomes.


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