Neoplasia Flashcards
What protein helps prevent cancer?
P53 proteins check check if cells look like their parent cells and kills any that doesn’t
How does cancer disrupt our bodys checks and balances to monitor for cancer?
Kills P53 genes
T or F: tumors often create their own vascular supply
True
MC way cancer spreads
thru blood
Others: direct tissue to tissue spread, lymph spread, transplant of tumor cells (iatrogenic)
Is tumor staging based on clinical signs or biopsy reports?
biopsy report
Ways to biopsy
- fine-needle/core bx
- Exfoliative (pap smear)
- Brushings/washings (bronchial specimens)
- Incisional bx - rmv part of it (some bad tissue remains)
- Excisional bx - rmv it all + some healthy tissue (To eval borders)
tissue source and feature
Adenoma
tissue source and feature
Lipoma
tissue source and feature
Leiomyoma
tissue source and feature
Fibroma
tissue source and feature
Hemangioma
Do Sarcomas come from ectoderm, mesoderm, or endoderm?
mesoderm
Sarcomas develop in bone, fat, MUSCLE, etc
Benign esophageal tumors
Papilloma
Adenoma
Leiomyoma
Granular Cell Tumor
Fibrovascular Polyps
Hamartoma
Lipoma
Malignant Esophageal tumors
SCC
Adenocarcinoma
MC benign esophageal tumor
Leiomyoma