Renal lymphoma

1. Genito-Urinary
Tumors
Episode 7

2. Renal Lymphoma
• Incidence of renal involvement in patients with
lymphoma is 34-62% in several autopsy series.
• On CT, renal involvement in only 3-8% of all
patients

3. Renal Lymphoma
• Any age.
• Any sex.
• More in non–Hodgkin lymphoma than in Hodgkin
lymphoma.

4. Renal Lymphoma
• Primary: Rare (3%).
• Secondary: Hematogenous spread or direct
extension.

5. Renal Lymphoma
• Normal.
• Distortion of the collecting
system resulting from single or
multiple renal masses.
Plain X-Ray/ IVU:

6. Renal Lymphoma
• May appear normal because of the small size of the
renal nodules
• Single or multiple hypoechoic renal masses.
• Diffuse enlargement.
• Hydronephrosis may be seen because of compression of
the renal hilum.
• Perirenal hypoechoic halo is characteristic of perirenal
lymphoma
US:

7. Renal Lymphoma
US:

8. Renal Lymphoma
US:

9. Renal Lymphoma
US:

10. Renal Lymphoma
CT :
• Multiple renal masses.
• Solitary mass.
• Renal invasion from contiguous retroperitoneal disease.
• Perirenal disease.
• Diffuse renal infiltration.

11. Renal Lymphoma
CT :
• Multiple renal masses.

12. Renal Lymphoma
CT :
• Multiple renal masses.

13. Renal Lymphoma
CT :
• Multiple renal masses.

14. Renal Lymphoma
CT :
• Multiple renal masses.

15. Renal Lymphoma
CT :
• Solitary mass.

16. Renal Lymphoma
CT :
• Solitary mass.

17. Renal Lymphoma
CT :
• Solitary mass.

18. Renal Lymphoma
CT :
• Solitary mass.

19. Renal Lymphoma
CT :
• Renal invasion from
contiguous
retroperitoneal disease.

20. Renal Lymphoma
CT :
• Renal invasion from
contiguous
retroperitoneal disease.

21. Renal Lymphoma
CT :
• Renal invasion from
contiguous
retroperitoneal disease.

22. Renal Lymphoma
CT :
• Perirenal disease.

23. Renal Lymphoma
CT :
• Perirenal disease.

24. Renal Lymphoma
CT :
• Perirenal disease.

25. Renal Lymphoma
CT :
• Perirenal disease.

26. Renal Lymphoma
CT :
• Diffuse renal infiltration.

27. Renal Lymphoma
CT :
• Diffuse renal infiltration.

28. Renal Lymphoma
CT :
• Diffuse renal infiltration.

29. Renal Lymphoma
MRI :
• MRI findings in lymphoma are similar to those seen on
CT scans.
• Usually, lymphoma displays low signal intensity on T1-
weighted images, and it is either isointense or moderately
hyperintense on T2-weighted images.
• Lymphomatous tissue may be minimally enhancing, but
less than the normal renal parenchyma; therefore, it
remains hypointense relative to the kidney on contrast-
enhanced T1-weighted MRIs

30. Renal Lymphoma
MRI: