Lecture 36: Tumour Classification Flashcards
What is the common suffix for tumours?
-oma
Give three reasons why naming tumours is important:
1) it characterizes the lesion’s behavior
2) it determines prognosis
3) it outlines treatment options
Give 4 examples of mesenchymal tissues:
1) connective tissue
2) muscle
3) nervous tissue
4) bone marrow
Give 5 examples of connective tissue:
1) bone
2) cartilage
3) tendons
4) ligaments
5) fat
What is a benign tumour of glandular/ secretory epithelium called?
adenoma
What is a benign tumour of a non-sectory/ non-glandular epithelium called?
papilloma
What are malignant non-glandular epithelial tumours called?
carcinoma
What is a malignant tumour in glandular epithelium called?
adenocarcinoma
What is a carcinoma in-situ?
abnormal epithelial cells that have net invaded through the basal membrane
abnormal epithelial cells that have net invaded through the basal membrane?
=-leimyo
What suffix is given to skeletal muscle mesenchymal tumours?
-rhabdomyo
What suffix is given to adipose mesenchymal tumours?
-lipo
What suffix is given to blood vessel mesenchymal tumours?
-angio
What suffix is given to bone mesenchymal tumours?
-osteo
What suffix is given to cartilage mesenchymal tumours?
-chondro
What suffix is given to fibrous tissue mesenchymal tumours?
-fibro
What is a mesothelioma?
tumour of the mesothelial cells
Where are mesothelial cells found?
linings of serious cavities like pleura of the lungs and peritoneum of the abdomen
What are meninges tumours called?
meningioma
What are glial cell tumours called?
glioma
True or false: neurones rarely form tumours in the CNS but do in the PNS
True
True or false: tumours metastasize to the brain but generally not vice versa
True
Where are germ cell tumours found?
the gonads at the midline (testis and ovaries)
What is the name given to a germ cell tumour of male origin?
seminoma
What is the name given to a germ cell tumour of female origin?
dysgerminoma
What is a teratoma?
tumour of all three embryonic germ layers
What are embryonal tumours?
paediatric blastomas (cancers of blast precursor cells)
How do embryonal tumours look under a microscope?
small round blue cells
Give three examples of embryonal tumours:
1) retinoblastoma
2) nephroblastoma
3) neuroblastoma
What is another name for a nephroblastoma?
Wilm’s tumour
What is cancer of the blood/ marrow called?
leukaemia
What is cancer of the lymph nodes and all solid lymph tissue called?
lymphoma
What is cancer of the plasma cells called?
Myeloma
What are harmartomas?
benign, tumour-like lesions with no neoplastic overgrowth that can grow anywhere
What are cysts?
fluid filled space lined by epithelium
True or false: cysts cannot be neoplastic
False
How are tumours named if the contain tissue from more than one type?
compound suffixes are used
What is a primary tumour?
a tumour found at the site of origin (main neoplasm)
What is a secondary tumour?
a detached neoplastic mass which is not in contact with the primary neoplasm
