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Crossed Fused Renal Ectopia

Daschbach EMD - MedPix (2005)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Crossed Fused Renal Ectopia

History: History of diverticulitis with recent removal of sigmoid colon and colostomy. No history of urologic complaints or problems.

Findings: CT revealed ill-defined mixture of soft tissue and air in the periumbilical region in the post-operative site. This in combination with the patient's history and physical exam are highly suggestive of an infection. The notable other finding on CT scan was the absence of a kidney in the right retroperitoneal space. Further inspection, however, revealed two left kidneys but also a distal right ureter with normal bladder insertion.

Ddx: The differential of an absent retroperitoneal kidney. 1) Congenital absence of the kidney 2) S/P nephrectomy 3) Renal ectopia (pelvic kidney, crossed fused ectopia, intrathoracic kidney)

Dxhow: CT findings

Exam: On physical exam, the patient's colostomy site was noted to be erythematous and tenderness to palpation. Laboratory tests were significant for an elevated white blood cell count.

No MeSH data available.


The bladder is filled with iodinated contrast.  The right ureter is noted to insert normally into the posterior bladder.  The finding of a normal distal right ureter with two left kidneys is characteristic for crossed fused renal ectopia and helps differentiate this case from that of a duplex left kidney which would not have a right-sided ureter.
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MPX1336_synpic26472: The bladder is filled with iodinated contrast. The right ureter is noted to insert normally into the posterior bladder. The finding of a normal distal right ureter with two left kidneys is characteristic for crossed fused renal ectopia and helps differentiate this case from that of a duplex left kidney which would not have a right-sided ureter.


Crossed Fused Renal Ectopia

Daschbach EMD - MedPix (2005)

The bladder is filled with iodinated contrast.  The right ureter is noted to insert normally into the posterior bladder.  The finding of a normal distal right ureter with two left kidneys is characteristic for crossed fused renal ectopia and helps differentiate this case from that of a duplex left kidney which would not have a right-sided ureter.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1336&req=5

MPX1336_synpic26472: The bladder is filled with iodinated contrast. The right ureter is noted to insert normally into the posterior bladder. The finding of a normal distal right ureter with two left kidneys is characteristic for crossed fused renal ectopia and helps differentiate this case from that of a duplex left kidney which would not have a right-sided ureter.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Crossed Fused Renal Ectopia

History: History of diverticulitis with recent removal of sigmoid colon and colostomy. No history of urologic complaints or problems.

Findings: CT revealed ill-defined mixture of soft tissue and air in the periumbilical region in the post-operative site. This in combination with the patient's history and physical exam are highly suggestive of an infection. The notable other finding on CT scan was the absence of a kidney in the right retroperitoneal space. Further inspection, however, revealed two left kidneys but also a distal right ureter with normal bladder insertion.

Ddx: The differential of an absent retroperitoneal kidney. 1) Congenital absence of the kidney 2) S/P nephrectomy 3) Renal ectopia (pelvic kidney, crossed fused ectopia, intrathoracic kidney)

Dxhow: CT findings

Exam: On physical exam, the patient's colostomy site was noted to be erythematous and tenderness to palpation. Laboratory tests were significant for an elevated white blood cell count.

No MeSH data available.