L19- Tumour classification

Question 1

What is a Benign tumour of Surface (non-glandular / non-secretory) epithelium called?

Answer 1

Papilloma

Question 2

What is a papilloma?

Answer 2

Benign tumour of Surface (non-glandular / non-secretory)

Question 3

What is a Benign tumour of Glandular (secretory) epithelium called?

Answer 3

Adenoma

Question 4

What is an Adenoma?

Answer 4

Benign tumour of Glandular (secretory) epithelium

Question 5

Benign epithelial tumours are then further classified: What is a Benign tumour of squamous epithelium e.g. skin?

Answer 5

SQUAMOUS CELL PAPILLOMA

Question 6

Benign epithelial tumours are then further classified: Benign tumour of ductal epithelium of the pancreas?

Answer 6

PANCREATIC CYSTADENOMA

Question 7

How would you name a tumour If it is from non-glandular / non-secretory surface epithelium?

Answer 7

(CELL TYPE) …………….. PAPILLOMA

Question 8

How would you name a tumour If it is from glandular / secretory / ductal epithelium?

Answer 8

(EPITHELIUM SOURCE) …………….. ADENOMA

Question 9

What are Malignant epithelial tumours are called ?

Answer 9

CARCINOMAS

Question 10

Malignant epithelial tumours derived from glandular / ductular epithelium are called …?

Answer 10

ADENO CARCINOMAS

Question 11

What is the Benign nomenclature of: Stratified squamous epithelium?

Answer 11

Squamous cell papilloma

Question 12

What is the Benign nomenclature of: Basal cells of the skin?

Answer 12

Basal cell papilloma

Question 13

What is the Benign nomenclature of: Glandular epithelium of liver?

Answer 13

Liver cell adenoma

Question 14

What is the Malignant nomenclature of: Stratified squamous?

Answer 14

Squamous cell carcinoma

Question 15

What is the Malignant nomenclature of: Basal cells of the skin?

Answer 15

Basal cell carcinoma

Question 16

What is the Malignant nomenclature of: Glandular epithelium of colon?

Answer 16

Colonic adenocarcinoma

Question 17

What is the Malignant nomenclature of: Glandular epithelium of breast?

Answer 17

Breast adenocarcinoma

Question 18

All benign mesenchymal tumours have the suffix …

Answer 18

“-OMA”

Question 19

Benign mesenchymal tumours: e.g smooth muscle and skeletal muscle…names

Answer 19

Smooth muscle = Leiomyo (prefix)

Skeletal muscle = rhabdomyo (prefix)

Question 20

Malignant mesenchymal tumours are called …?

Answer 20

SARCOMAS

Question 21

Benign nomenclature of Benign mesenchymal tumours : smooth muscle…?

Answer 21

Leiomyoma

Question 22

Benign nomenclature of Benign mesenchymal tumours:Cartilage…?

Answer 22

Chondroma

Question 23

Malignant nomenclature of Malignant mesenchymal tumours : Smooth muscle…?

Answer 23

Leiomyosarcoma

Question 24

Malignant nomenclature of Malignant mesenchymal tumours: Cartilage…?

Answer 24

Chondrosarcoma

Question 25

What are Malignant tumour of melanocytes ?

Answer 25

Melanoma

Question 26

Example of CNS tumours

Answer 26

Meningioma Astrocytoma -Glioblastoma multiforme Oligoendroglioma Ependymoma Medulloblastoma

Question 27

What are Germ cell tumours ?

Answer 27

Common in - gonads | Cells arise from germ cells.

Question 28

Example of seminomatous tumour?

Answer 28

Eg seminoma

Question 29

Examples of Non –seminomatous germ cells tumour

Answer 29

eg Teratoma (Teeth / hair / muscle / neural / cartilage)

Question 30

Examples of Embryonal Tumours

Answer 30

Histological resemblance to embryonic cells of that organ RETINOBLASTOMA NEPHROBLASTOMA (WILMS) NEUROBLASTOMA HEPATOBLASTOMA

Question 31

Malignant tumours with benign names....?

Answer 31

Melanoma Mesothelioma Myeloma Lymphoma

Question 32

What is a HAMARTOMA?

Answer 32

benign, focal malformation that resembles a neoplasm in the tissue of its origin. This is not a malignant tumor, and it grows at the same rate as the surrounding tissues. It is composed of tissue elements normally found at that site, but which are growing in a disorganized mass.

Question 33

What is a CHORISTOMA?

Answer 33

Nodules of organ parenchyma in another organ E.g. normal (non-neoplastic) pancreas nodule in stomach