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