What is the most likely diagnosis?
- 61 year-old with chronic back pain

Contrast-enhanced Axial CT Images of the Abdomen
- Carcinoma of the cervix
- TB
- Carcinoid tumor
- Retroperitoneal fibrosis
- Lymphoma
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Answer:
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4. Retroperitoneal Fibrosis
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More (Click Discussion Tab)
Retroperitoneal Fibrosis
· General considerations
o Relatively uncommon
o More common in males than in females
o Predominantly patients aged 40-60 years
o In almost 70% of patients, no cause is found