Table 1.

Summary of the case reports included in discussion

Reference N.	Publication	Coexisting disease	Age (year)/gender	Presenting symptoms	Prior surgery
[10]	Kiris et al.	Nephrolithiasis, Renal replacement lipomatosis	24/M	fever, left lumbar pain, left lumbar mass sense	+
[9]	Weissman et al.	urinary tract infections	57/M	fever, Hypotension	-
[7]	Alazab et al.	Nephrolithiasis	37/F	Fever, purulent discharge, a palpable mass	-
[8]	Puthenveetil et al.	Nephrolithiasis	45/M	flank pain, purulent discharge, fever with chill	+
[23]	Biyani et al.	urinary tract infections	80/F	FUO, Fatigue, weight loss	+