common cancers-abdominopelvic

Question 1

what is the most common primary malignant tumour of the liver?

Answer 1

hepatocellular carcinoma; arises from hepatocytes

Question 2

what is the most common stomach cancer and where is it most often found?

Answer 2

adenocarcinoma; mostly in the pylorus and antrum

Question 3

what is the most common form of bladder cancer?

Answer 3

transitional cell carcinoma (90%)

98% are primary tumours

Question 4

what is the most common tumour of the kidneys and where is it found?

Answer 4

renal cell carcinoma; arises from the epithelial cells lining the renal tubule

Question 5

what is the most common uterine cancer and from which cells does it arise?

Answer 5

adenocarcinoma (75%); arises from secretory epithelium of the endometrium

Question 6

what is the most common primary and secondary type of cancer associated with the ovaries?

Answer 6

primary=epithelial type; cells outside ovary

secondary=metastasis from breat

Question 7

what is the most common form of cancer in the cervix? what does it arise from?

Answer 7

squamous cell carcinoma; arises from the transitional zone *predisposed to cancer at the squamo-columnar junction in puberty, and exposure to Human Papilloma Virus

Question 8

what is the most common form of cancer in the prostate gland, and what zone is mostly affected?

Answer 8

adenocarcinoma

peripheral zone

Question 9

list two types of testicular carcinomas and identify the age groups most affected

Answer 9

seminomas (seminiferous tubule carcinoma); men 25-50 years old
non-seminomas-men in their 20s

Question 10

what is the most common form of cancer arising in the adrenal medulla and which cells does it arise from?

Answer 10

phaechromocytoma; chromaffin cells

Question 11

what is the most common form of cancer in the Thyroid gland?

Answer 11

Papillary cancer