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Renal malignancies with normal excretory urograms.
AJR. American Journal of Roentgenology
|October 1, 1983
Summary
Excretory urography can miss malignant renal masses, including renal cell carcinoma and rectal adenocarcinoma metastases. Further imaging like computed tomography or sonography is crucial for diagnosing suspected kidney cancers when urography is normal.
Area of Science:
- Radiology
- Urology
- Oncology
Background:
- Malignant renal masses require accurate diagnostic methods.
- Excretory urography is a common diagnostic tool for renal abnormalities.
Observation:
- Four patients with malignant renal masses had normal excretory urograms with tomography.
- Lesions included primary renal cell carcinomas and metastases from contralateral kidney and rectal cancer.
Findings:
- Excretory urography is insufficient to rule out malignant renal masses.
- Diagnostic imaging capable of topographic display is necessary.
Implications:
- Clinicians should not rely solely on excretory urography for suspected renal masses.
- Computed tomography and sonography are recommended for definitive diagnosis.