Table 1.

Patients’ characteristics

Number	102
Age range, years (mean ±SD)	13–80 (56.5 ±11.1)
Sex, No. (%)	93 males (91.2%), 9 females (8.8%)
Smoking history	38 (37.2%)
Presenting symptoms • Hematuria • Dysuria • Burning micturition • Others	80% 11% 8% 1%
Operative technique • Transuretheral resection biopsy • Transuretheral resectionof tumor • Radical/Partial cystectomy	40 18 44
Nature of the lesion • Malignant • Benign	94 (92.2%) 8 (7.8%)
Mean size of bladder tumours	4.7 ±1.8 cm (range: 1–10 cm)
The histopathologic types • malignant lesions • Benign lesions	Transitional cell carcinoma (No = 67) Squamous cell carcinoma (No = 22) Adenocarcinoma (No = 4) Sarcoma (No = 1) Billharzial cystitis (4) Non-specific cystitis (4)