Oncology Classifications Flashcards
Five classifications of oncology
- Benign
- Malignant
- Tissue of origin
- Grade
- Stage
Abnormal growth that is not destructive and does not metastasize, but can still cause physical effects depending on size and location
Benign tumor
Uncontrolled growth that destroys tissue and metastasizes to secondary locations
Malignant tumor
The exact mechanism of metastasis from the primary site of proliferation to the secondary site of proliferation is not well understood. There is evidence that cancer cells travels through the _____________ system until they reach ______________ ________________ that are too small for them to pass through.
Vascular system until they reach capillary beds
Once cancer cells reach capillary beds that are too small for them to travel through, this point is called ____________
Arrest
Once cancer cells arrest in capillary beds, they begin the process of extravasation. This usually happens in what four areas
- Lungs
- Liver
- Kidney
- Bone
What are the six points that describe the mechanism of metastasis
- Primary site proliferation
- Vascular supply
- Vascular transport
- Arrest
- Extravasation
- Secondary site proliferation
Tumors are named for their tissue of origin. A tumor originating from epithelial tissue is called…
Carcinoma (skin, glands, and organs)
Carcinoma can spread through the _________ system or the _________
Lymphatic (most common) system or blood
Tumors that originate from mesenchymal tissue are called….
Sarcoma