BLADDER Dr Frances McCormick Derriford Hospital
Anatomy
Specimens Cytology Biopsy, TURBT Cystectomy, partial or radical Anterior exenteration
Handling1 Cytology – 2 pap slides. Biopsies – all embedded, 3 levels. TURBT – depends on quantity of chippings (Fractionated resection).
Handling2 Partial cystectomy Radical cystectomy - female, female adnexae and ant vagina - male, prostate and seminal vesicles Anterior exenteration - +AP resection
Name and Classificiation
Is it neoplastic? If it is a flat lesion? If it is a papillary lesion?
Flat Lesions Inflammatory Dysplastic CIS ? denuded
Is it CIS?
Does Immuno help? Cytokeratin 20 CD44/cyt5 MIB1 p53
Is it papillary? Inflammatory Metaplastic Neoplastic
Is it Invasive? Scarring Involvement of Von Brunn’s nests Inverted growth pattern
What is the stage? Diathermy artefact – stage pTx Muscularis mucosae Vs Muscularis propria Fat invasion Muscularis propria invasion Invasion into the prostate
Urothelial Ca/TCC Grading Differentiation A few interesting subtypes, micropapillary, nested Immunohistochemistry, cyt 7, cyt 20, Gata3, 34BE12
The END Any questions?