76770 Ultrasound, retroperitoneal (eg, renal, aorta, nodes), real time with image documentation; complete

Ultrasound, Retroperitoneal (e.g., Renal, Aorta, Nodes), Real Time with Image Documentation; Complete

Common Name(s):

• Retroperitoneal Ultrasound
• Abdominal Ultrasound
• Renal Ultrasound

Summary

A retroperitoneal ultrasound is a non-invasive imaging procedure that uses high-frequency sound waves to create real-time images of the structures in the retroperitoneal space, including the kidneys, aorta, and lymph nodes.

Purpose

The procedure aims to evaluate:

• Abdominal pain or swelling
• Suspected kidney stones or tumors
• Abdominal aortic aneurysm
• Enlarged lymph nodes

The goals include diagnosing or ruling out conditions, assessing the size and shape of organs, and guiding further treatment.

Indications

• Unexplained abdominal pain
• Blood in urine (hematuria)
• High blood pressure (hypertension)
• Suspected kidney or bladder infection
• Follow-up on known conditions like kidney stones or aneurysms

Preparation

• Patients may need to fast for several hours beforehand.
• Drink plenty of water to fill the bladder if pelvic structures are also being examined.
• Wear comfortable clothing.
• Inform the technician of any existing medical conditions or medications.

Procedure Description

1. The patient lies on an examination table.
2. A water-based gel is applied to the skin over the abdomen to ensure proper sound wave transmission.
3. A transducer (handheld device) is moved over the skin to capture images.
4. The technician may ask the patient to change positions to better visualize different organs.
5. Real-time images are displayed on a monitor and documented for analysis.

Duration

The procedure typically takes about 30-45 minutes.

Setting

• Hospital radiology department
• Outpatient diagnostic imaging center
• Specialized clinics

Personnel

• Radiologist or ultrasound technician (sonographer)
• Sometimes a radiologist may interpret the images in real-time

Risks and Complications

• Very minimal risks as it is a non-invasive procedure
• No exposure to ionizing radiation

Benefits

• Painless and safe with no side effects
• Provides detailed images to aid in accurate diagnosis
• Immediate information available for timely medical intervention

Recovery

• No recovery time needed; patients can resume normal activities immediately
• Follow-up appointments may be scheduled based on findings

Alternatives

• CT Scan (Computed Tomography)
  • Pros: More detailed images
  • Cons: Exposure to radiation
• MRI (Magnetic Resonance Imaging)
  • Pros: High-resolution images without using radiation
  • Cons: More expensive and time-consuming
• X-ray
  • Pros: Quick and accessible
  • Cons: Less detailed for soft tissues

Patient Experience

• Generally painless; may feel mild discomfort from the pressure of the transducer.
• Gel may feel cold when first applied.
• Pain management is not typically needed as the procedure is non-invasive and doesn't cause significant discomfort.