Female Urethral Diverticulum Carcinoma: A Case Report and Literature Review

Table 1

Literature summary.

Reference	Number of patients	Results
SEER database (Swartz et al.) [2]	1615	Maximum incidence rate: 9.5 per million women; UC: 55%, SCC: 21.5%, adenocarcinoma: 16.4%
Clayton et al. [3]	59	UC: 29%, SCC 15%, adenocarcinoma 56%; T1: 18%, T2-3: 69%, T4: 13% (of the 39 patients with known stages); Local resection: 37%, radiation or cystectomy: 63%; Tumor recurrence: 41%
Grigsby [4]	44	T1: 18%, T2: 11%, T3: 50%, T4: 20%; Surgery: 16%, radiation: 57%, surgery and radiation: 27%; 5-year overall survival: 42%
Ahmed et al. [5]	75	T1: 16.7%, T2: 28.6%, T3: 47.6%, T4: 4.8% (of the 42 patients with known stages); Local resection: 38%, radiation: 21%, cystectomy: 40%; Local recurrence: 3, death: 6 (of the 17 T3 cases)

SEER, National Cancer Institute Surveillance, Epidemiology, and End Results; UC, urethral cancer; SCC, squamous cell carcinoma.