Table I.

Summary of MALT lymphoma affecting the upper urinary tract.

Case	Site	Age (years)	Gender	Chief complaint	Other sites	Radiological feature	Other illness	Means of diagnosis	Additional treatment	Outcome	Ref.
1	Bil. renal pelvis	68	M	None	Salivary and prostate	Mass	Excision of submandibular glands	Biopsy	None	13 months, alive	2
2	Rt renal pelvis and parenchyma	50	M	None		Mass	H.P. gastritis and HT	Nx	Eradication of H.P	Alive	3
3	Rt renal pelvis and parenchyma	30	M	Rt. abd. pain and frequency		Mass	Nephrotic syndrome	Nx	None	28 months, alive	4
4	Lt renal pelvis	83	F	Back pain		Thickening	None	Biopsy	Chemotherapy	8 months, alive	5
5	Rt renal pelvis	72	M	Abd. pain and fever	Bil. orbit	Mass	Colon AC	Nx	None	Died of pulmonary embolism	5
6	Rt renal pelvis	77	M	None		Thickening	Gastric AC	Nux	None	10 months, alive	6
7	Rt upper ureter	72	M	None		Thickening	DM	Nux	None	9 months, alive	7
8	Lt renal pelvis and upper ureter	69	M	None		Thickening	HT and DM	Nux	Chemotherapy	78 months, alive	Present case

MALT, mucosa-associated lymphoid tissue; Bil., bilateral; Rt, right; Lt, left; Abd., abdominal; H.P., Helicobacter pylori; HT, hypertension; AC, adenocarcinoma; DM, diabetes mellitus; Nx, nephrectomy; Nux, nephroureterectomy.