Flashcards in 16. Tumour Classification Deck (39):
how are tumours broadly classified?
why do tumours need to be classified?
they behave differently
different prognosis and treatment
according to histogenic classification, which tumours are common?
blood and related cells
according to histogenic classification, which tumours are less common?
germ cell tumour
what are the 2 types of epithelial tumours (and their normal function)?
1. surface epithelia - protection
2. glandular epithelia - glands and ducts for secretion
what is the suffix for benign epithelial tumours?
what are surface epithelial tumours called?
what are glandular epithelial tumours called?
what other information is required to further identify a tumour?
the cell type of origin (if surface epithelium)
the glandular tissue of origin (if glandular epithelium)
what are malignant surface epithelial tumours called?
how are malignant epithelial tumours named?
(cell of origin) carcinoma
eg. squamous cell carcinoma
special reference made to the degree of differentiation
what are malignant epithelial tumours derived from glandular epithelium called?
what is the suffix for benign mesenchymal tumours?
oma (preceded by tissue or cell of origin)
what is a benign tumour of the smooth muscle called?
what is a benign tumour of skeletal muscle called?
what is a benign tumour of adipose tissue called?
what is a benign tumour of blood vessels called?
what is a benign tumour of bone called?
what is a benign tumour of cartilage called?
what is a benign tumour of fibrous tissue called?
what are malignant mesenchymal tumours called?
preceded by the cell to tissue of origin
what is a malignant tumour of smooth muscle called?
what is a malignant tumour of skeletal muscle called?
what is a malignant tumour of adipose tissue called?
what is a malignant tumour of blood vessels called?
what is a malignant tumour of bone called?
what is a malignant tumour of cartilage called?
what is a malignant tumour of fibrous tissue called?
what is a benign tumour of melanocytes called?
what is a malignant tumour of melanocytes called?
what are malignant tumours of blood cells called?
leukaemia - white cells
lymphoma - lymphocytes
myeloma - plasma cells
what are the different types of CNS tumours?
where do germ cell tumours commonly arise from?
gonads. tumour of the germ cells
what are the classes of germ cell tumours?
non-seminomatous tumours (eg. teratoma-teeth, hair, muscle,neural, cartilage)
in which patients can embryonal tumours bee seen?
under 5 years
histological resemblance to the embryonic form of the organ from which they arise
examples of embryonal tumours
examples of malignant tumours with benign names
what is a hamartoma?
a non-neoplastic overgrowth of normal tissue, indigenous to the site of occurrence. results in developmental abnormalities