Lecture 36: Tumour Classification

Question 1

What is the common suffix for tumours?

Answer 1

-oma

Question 2

Give three reasons why naming tumours is important:

Answer 2

1) it characterizes the lesion’s behavior

2) it determines prognosis

3) it outlines treatment options

Question 3

Give 4 examples of mesenchymal tissues:

Answer 3

1) connective tissue

2) muscle

3) nervous tissue

4) bone marrow

Question 4

Give 5 examples of connective tissue:

Answer 4

1) bone

2) cartilage

3) tendons

4) ligaments

5) fat

Question 5

What is a benign tumour of glandular/ secretory epithelium called?

Answer 5

adenoma

Question 6

What is a benign tumour of a non-sectory/ non-glandular epithelium called?

Answer 6

papilloma

Question 7

What are malignant non-glandular epithelial tumours called?

Answer 7

carcinoma

Question 8

What is a malignant tumour in glandular epithelium called?

Answer 8

adenocarcinoma

Question 9

What is a carcinoma in-situ?

Answer 9

abnormal epithelial cells that have net invaded through the basal membrane

Question 10

abnormal epithelial cells that have net invaded through the basal membrane?

Answer 10

=-leimyo

Question 11

What suffix is given to skeletal muscle mesenchymal tumours?

Answer 11

-rhabdomyo

Question 12

What suffix is given to adipose mesenchymal tumours?

Answer 12

-lipo

Question 13

What suffix is given to blood vessel mesenchymal tumours?

Answer 13

-angio

Question 14

What suffix is given to bone mesenchymal tumours?

Answer 14

-osteo

Question 15

What suffix is given to cartilage mesenchymal tumours?

Answer 15

-chondro

Question 16

What suffix is given to fibrous tissue mesenchymal tumours?

Answer 16

-fibro

Question 17

What is a mesothelioma?

Answer 17

tumour of the mesothelial cells

Question 18

Where are mesothelial cells found?

Answer 18

linings of serious cavities like pleura of the lungs and peritoneum of the abdomen

Question 19

What are meninges tumours called?

Answer 19

meningioma

Question 20

What are glial cell tumours called?

Answer 20

glioma

Question 21

True or false: neurones rarely form tumours in the CNS but do in the PNS

Answer 21

True

Question 22

True or false: tumours metastasize to the brain but generally not vice versa

Answer 22

True

Question 23

Where are germ cell tumours found?

Answer 23

the gonads at the midline (testis and ovaries)

Question 24

What is the name given to a germ cell tumour of male origin?

Answer 24

seminoma

Question 25

What is the name given to a germ cell tumour of female origin?

Answer 25

dysgerminoma

Question 26

What is a teratoma?

Answer 26

tumour of all three embryonic germ layers

Question 27

What are embryonal tumours?

Answer 27

paediatric blastomas (cancers of blast precursor cells)

Question 28

How do embryonal tumours look under a microscope?

Answer 28

small round blue cells

Question 29

Give three examples of embryonal tumours:

Answer 29

1) retinoblastoma 2) nephroblastoma 3) neuroblastoma

Question 30

What is another name for a nephroblastoma?

Answer 30

Wilm's tumour

Question 31

What is cancer of the blood/ marrow called?

Answer 31

leukaemia

Question 32

What is cancer of the lymph nodes and all solid lymph tissue called?

Answer 32

lymphoma

Question 33

What is cancer of the plasma cells called?

Answer 33

Myeloma

Question 34

What are harmartomas?

Answer 34

benign, tumour-like lesions with no neoplastic overgrowth that can grow anywhere

Question 35

What are cysts?

Answer 35

fluid filled space lined by epithelium

Question 36

True or false: cysts cannot be neoplastic

Answer 36

False

Question 37

How are tumours named if the contain tissue from more than one type?

Answer 37

compound suffixes are used

Question 38

What is a primary tumour?

Answer 38

a tumour found at the site of origin (main neoplasm)

Question 39

What is a secondary tumour?

Answer 39

a detached neoplastic mass which is not in contact with the primary neoplasm