Bladder cancer Flashcards
Botyroid rhabdomyosarcoma
Epidemiology
infancy or childhood
Carcinoma in situ
malignant cells within flat urothelium, no invasion
Botyroid rhabdomyosarcoma
Grape like, CAMBIUM LAYER, infancy or childhood, myxoid stroma
PUNLMP
Thicker urothelium, diffuse nuclear enlargement
Cambium layer, grape like, myxoid stroma
Botyroid rhabdomyosarcoma
Leiomyosarcoma
Fascicles of malignant spindle cells
High grade carcinoma
Architectural disarray, haphazard, anaplasia, mitotic figures
Squamous cell carcinoma
Association
Rare in bladder, except MIDDLE EAST: SCHISTOSOMIASIS
Papilloma
Young, <1cm, benign, normal urothelium, could be inverted (papillary structure growing down)
Staging
T1: lamina propia
2: muscularis propria
3: perivesical fat
4: adjacent structures
Papillary urothelial carcinoma
Older, minimal atypica, some mitotic figures