1Eble JN, Sauter G, Epstein JI, et al. World Health Organisation classification of tumours. Turnouts of the urinary sys- tem and male genital organs. Lyon: 1ARC Press, 2004: 90-109.
2Gaisa NT, Braunschweig T, Reimer N, et al. Different immunohistochemical and ul- trastructural phenotypes of squamous dif- ferentiation in bladder cancer. Virchows Arch, 2011, 458: 301-312.
3Miller JS, Epstein JI. Noninvasive urothe- lial carcinoma of the bladder with glandular differentiation: report of 24 cases. Am J Surg Pathol, 2009, 33: 1241-1248.
4Dhall D, A1-Ahmadie H, Olgac S. Nes- ted variant of urothelial carcinoma. Arch Pathol Lab Med, 2007, 131: 1725- 1727.
5Cox R, Epstein JI. Large nested variant of urothelial carcinoma: 23 cases mimic- king yon Brunn nests and inverted growth pattern of noninvasive papillary urothelial carcinoma. Am J Surg Pathol, 2011, 35: 1337-1342.
6Wasco M J, Daignault S, Bradley D, et al. Nested variant of urothelial carcino- ma: a clinicopathologic and immunohis- tochemical study of 30 pure and mixed cases. Hum Pathol, 2010, 41 : 163-171.
7Paz A, Rath-Wolfson L, Lask D, et al. The clinical and histological features of transitional cell carcinoma of the bladder with microcysts: analysis of 12 cases. Br J Urol, 1997, 79: 722-725.
8Radopoulos D, Kalyvas K, Kotakidou R, et al. Case report: microcystic transitional cell carcinoma of the urinary bladder. Int Urol Nephrol, 2005, 37: 291-293.
9Barresi V, Ieni A, Magno C, et al. High-grade urothelial carcinoma of the urinary bladder showing acquisition of microcystic histology in the penile me- tastasis: histogenetic considerations. Pathol Res Pract, 2009, 205: 568-571.
10Ishii S, Ohbu M, Toomine Y, et al. Im- munobistoehemieal, molecular, and clinicopathological analyses of urothelial carcinoma, micropapillary variant. Pathol Int, 2011, 61: 723-730.