A 47-year-old lady arrives at the clinic with a fever, dysuria, and abdominal discomfort. She has experienced multiple urinary tract infections throughout her adolescence, but no other medical issues. A physical examination indicates that the patient is experiencing minor suprapubic pain. Urinalysis reveals pyuria as well as many microorganisms. A CT scan of the abdomen is performed, as seen in the figure below. Which of the following most likely prevented the proper ascent of the anomalous organ seen on the CT scan?

Question

A 47-year-old lady arrives at the clinic with a fever, dysuria, and abdominal discomfort. She has experienced multiple urinary tract infections throughout her adolescence, but no other medical issues. A physical examination indicates that the patient is experiencing minor suprapubic pain. Urinalysis reveals pyuria as well as many microorganisms. A CT scan of the abdomen is performed, as seen in the figure below.  Which of the following most likely prevented the proper ascent of the anomalous organ seen on the CT scan?

Quizplus · Accepted Answer

Eductional Objective: In horseshoe kidney, the kidneys are fused at the poles.  The isthmus of the horseshoe kidney usually lies anterior to the aorta and posterior to the inferior mesenteric artery (IMA).  During fetal development, the IMA limits the ascent of the horseshoe kidney.

A 47-Year-Old Lady Arrives at the Clinic with a Fever