Crossed Fused Renal Ectopia with Metastatic Renal Cell Carcinoma

The patient is an 83-year-old man with a 4-month history of right arm pain. He had no previous history of cancer. Radiographs showed a minimal pathologic fracture of the proximal right humerus with new callus formation at the fracture site. A bone scan was done but did not demonstrate other areas of...

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Bibliographic Details
Published in:Clinical nuclear medicine 2004-11, Vol.29 (11), p.765-766
Main Authors: Siegel, Herrick J, Casillas, Mark A
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Bone Neoplasms - diagnostic imaging
Bone Neoplasms - secondary
Carcinoma, Renal Cell - diagnostic imaging
Carcinoma, Renal Cell - secondary
Choristoma - diagnostic imaging
Choristoma - pathology
Humans
Kidney - abnormalities
Male
Radionuclide Imaging
Technetium Tc 99m Medronate
Tomography, X-Ray Computed
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Summary:The patient is an 83-year-old man with a 4-month history of right arm pain. He had no previous history of cancer. Radiographs showed a minimal pathologic fracture of the proximal right humerus with new callus formation at the fracture site. A bone scan was done but did not demonstrate other areas of involvement. However, it was noted that the patient did not appear to have a left kidney, and there were 2 areas of increased uptake in the region of the right kidney. A CT scan of the abdomen and pelvis was done and showed a crossed fused ectopic kidney with a 3 × 4 cm mass on its inferior pole. A biopsy of the right humerus lesion confirmed that it was metastatic renal cell carcinoma, and the patient underwent a nephrectomy of the involved kidney.
ISSN:0363-9762
1536-0229
DOI:10.1097/00003072-200411000-00032