What are the primary structures highlighted within a retrograde pyelography?

• A. The glomerulus, kidney and ureters.
• B. The bladder, large intestines, and ureters.
• C. The renal pelvis and ureters.
• D. The Bowman’s capsule, ureters, and kidneys.

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the procedure of retrograde pyelography, which is a diagnostic imaging technique used to visualize the urinary tract, specifically focusing on the ureters and the renal pelvis by injecting contrast dye backward through the urethra into the bladder and ureters.
2. Step 2: Identify the anatomical structures involved in retrograde pyelography. Since the contrast is introduced through the bladder and moves upward, the primary structures highlighted are the bladder, ureters, and renal pelvis.
3. Step 3: Recognize that the glomerulus and kidney (specifically the renal parenchyma) are not directly visualized in retrograde pyelography because the contrast does not pass through the bloodstream or the glomerular filtration system in this procedure.
4. Step 4: Note that the large intestines are not part of the urinary system and are not highlighted in retrograde pyelography; their mention in the answer choices is likely to test your understanding of anatomy and imaging specificity.
5. Step 5: Conclude that the correct primary structures highlighted in retrograde pyelography are the bladder and ureters, and not the glomerulus or large intestines.