Pathological Characteristics of Primary Bladder Carcinoma Treated at a Tertiary Care Hospital and Changing Demographics of Bladder Cancer in Sri Lanka

Table 2

Histological classification of tumours included in the study cohort.

Tumour type	Number
Urothelial tumours ()
Infiltrating urothelial carcinoma	105
With squamous differentiation	11
With glandular differentiation	1
Micropapillary	1
Noninvasive urothelial neoplasms (14)
Urothelial carcinoma in situ	1
Noninvasive papillary urothelial carcinoma, low grade	12
Noninvasive papillary urothelial neoplasm of low malignant potential	1
Squamous neoplasms ()
Squamous cell carcinoma	12
Glandular neoplasms ()
Adenocarcinoma (enteric type)	2
Mesenchymal tumours ()
Leiomyosarcoma	1
Haematopoietic and lymphoid tumours ()
Lymphoma (large B cell)	1
Total	148