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Table 1 Clinical and histological features of intradiverticular urothelial carcinomas

From: Clinicopathologic characterization of intradiverticular carcinoma of urinary bladder - a study of 22 cases from a single cancer center

Clinical and Histological Features Cases
Total 22
Sex (No.)/Age, mean (range) 68 (39–85)
Male (n = 21)  
Female (n = 1)  
Race, No. (%)  
Caucasian 22 (100%)
Location of the lesions, specified, No. (%) 20 (91%)
Lateral 15 (75%)
Left lateral 5
Right lateral 4
Bilateral 1
Left anterolateral 1
Left posterolateral 1
Right posterolateral 3
Right anterior 1
Posterior 1
Right base 1
Dome 1
Trigone 1
Diagnosis, No. (%)/Specimen type, No.  
Non-invasive papillary urothelial carcinoma 9 (41%)
TUR only 7
Diverticulectomy 2
Infiltrating urothelial carcinoma 10 (45%)
TUR only 1
Partial cystectomy 3
Radical cystectomy 6
Small cell carcinoma 3 (14%)
TUR only 1
Diverticulectomy 1
Partial cystectomy 1
Pathological stage*, No. (%)  
pTa 9 (41%)@
pT1 8 (36%)
pT3 5 (23%)
  1. No. or n indicates the number of cases.
  2. TUR indicates transurethral resection of bladder tumour.
  3. *The tumor staging is based on the current World Health Organization (WHO) classification/AJCC manual 7th edition.
  4. @ 9 cases of pTa (based on the intradiverticular pathological staging), 2 out of 9 these cases were pT1 in their extradiverticular lesions. Survival statistics was based on the higher staging regardless of the tumor locations.
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Diagnostic Pathology

ISSN: 1746-1596

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