Incidentally Detected Squamous Cell Carcinoma of Renal Pelvis in Patients with Staghorn Calculi: Case Series with Review of the Literature

Table 1

Patient characteristics of present case series.

Patient characteristics	Case 1	Case 2	Case 3	Case 4
Age (years)	50	87	50	53
Sex	Male	Male	Female	Male
Presentation	Flank pain, mild hematuria	Flank pain, abdominal lump	Flank pain	Flank pain
Duration of symptoms	2 months	2 months	3 months	5 months
Renal stone	Present bilateral	Present bilateral	Present unilateral	Present bilateral
Previous history of stone surgery	Absent	Present	Absent	Present
Hydronephrosis with nonfunctioning kidney	Present	Present	Present	Present
Procedure	Right nephrectomy	Left nephrectomy	Left nephrectomy	Right nephrectomy
Radiologically detected tumor	Absent	Absent	Absent	Suspicion present
Grossly detectable tumor	Absent	Absent	Present	Present
Microscopic grade	Well differentiated	Well differentiated	Poorly differentiated	Moderately differentiated, solid with papillary
Pathological stage	pT3pN0Mx	pT3N2cM0	pT2N0M0	pT3N0M0
Followup	Lost to follow up	Died of CAD	Alive at 3 months*	Alive at 5 months*

*Both patients on chemotherapy.