Day One Flashcards
Phase I
15-30 ppl
Route and dose determination
Safety issues
Phase II
Less than 100 ppl
Is the tx effective?
Phase III
from 100 to thousands of ppl.
How does tx compare to current standard?
How does it compare to placebo
Phase IV
Takes place after drug is approved.
Provides additional info
Most common cancer in women?
Breast
Most common cancer in men?
Prostate
G1
RNA, Protein synthesis, cell growth
S phase
DNA synthesis
Produces 2 sets of chromosomes
G2
RNA, protein synthesis, cell growth
M Phase
Mitosis, division
G0
Resting phase
Cyclins and CDK
Together are needed to push cells through each phase of the cycle
CDK inhibitors
Gatekeepers for checkpoints
Checkpoint btw G1 and S phase checks for?
Checks for DNA damage
Checkpoint between G2 and M phase checks for?
Damaged or unduplicated DNA.
Benign
Noncancerous tumors
Well differentiated cells that resemble surrounding tissue.
Malignant
Grow rapidly, invade and destroy nearby tissue.
Poorly differentiated cells
More cells seen in mitosis
Adenoma
Benign tumor of glandular epithelial tissue.
Osteoma
Benign tumor of the bone
Carcinoma
Malignant tumor from epithelial tissue organ.
Further specified to tissue type
Sarcoma
Malignant tumor of mesenchymal origin.
Papilloma
Benign, contains finger-like projections and grow on any surface.
Anaplasia
Loss of cell differentiation in cancerous tissue.
Pleomorphic
Cells and nuclei are variable in size and shape
Carcinoma in situ
Localized
Cells have not crossed basement membrane
Usually have good cure rates and prognosis.
Do cancer cells have to be anchored to survive?
No
Cancer cell life span?
Infinite, can divide unlimited amount of times
Seeding
Occurs when a tumor sheds cells into body cavities and causes fluid accumulation.
Four viruses associated with cancer?
HPV
EBV
HBV
HHV-8
T1 scan
Water dark, fat bright
T2 Scan
Water bright, fat dark
SPECT scan good for?
Small spine lesions
Which contrast agent used for MRI?
Gadolinium
Helps delineate surrounding vascularity
Fludeoxyglucose (FDG)
Contrast used for PET