Tumour Classification (19)

Question 1

Common

Answer 1

Epithelium, mesenchymal, melanocytes, blood and related cells, CNS tumours

Question 2

Less common

Answer 2

Germ cell tumour, embryonal tumours, others

Question 3

Benign surface epithelial

Answer 3

Cell type Papilloma (Squamous cell papilloma)

Question 4

Benign glandular/secretory epithelial

Answer 4

Glandular tissue Adenoma

Pancreatic cystadenoma

Question 5

Exceptions

Answer 5

Melanoma, lymphoma, seminoma, mesothelioma

Question 6

Malignant epithelial

Answer 6

Carcinomas

Question 7

Malignant glandular/ductal

Answer 7

Adeno carcinoma

Question 8

All benign mesenchymal tumours have suffix

Answer 8

(Tissue/cell of origin) - oma

Question 9

Smooth muscle prefix

Answer 9

Leiomyo

Question 10

Skeletal muscle prefix

Answer 10

Rhabdomyo

Question 11

Adipose prefix

Answer 11

Lipo

Question 12

Blood vessel prefix

Answer 12

Angio

Question 13

Bone prefix

Answer 13

Osteo

Question 14

Cartilage prefix

Answer 14

Chondro

Question 15

Fibrous prefix

Answer 15

Fibro

Question 16

Malignant mesenchymal tumours have suffix

Answer 16

(Tissue/cell of origin) - sarcoma

Question 17

Melanocytes

Answer 17

Melanin producing cells in bottom layer of skin’s epidermis

Question 18

Melanocytic Nevus

Answer 18

Benign

Question 19

Melanoma

Answer 19

Malignant

Question 20

Malignant tumour of blood cell

Answer 20

Leukemia, lymphoma, myeloma

Question 21

CNS tumours

Answer 21

Meningioma, astrocytoma (glioblastoma multiforme), oligoendroglioma, ependymoma, medulloblastoma

Question 22

Germ cell tumours

Answer 22

Seminomatous tumours (seminoma), Non-seminomatous germ cell tumours (teratoma)

Question 23

Where are germ cell tumours common?

Answer 23

In gonads

Question 24

Embryonal tumours

Answer 24

Very young,

Question 25

Examples of embryonal tumours

Answer 25

RetinoBLASTOMA, NephroBLASTOMA, NeuroBLASTOMA, HepatoBLASTOMA

Question 26

Pleomorphic salivary adenoma

Answer 26

Benign of salivary glands

Question 27

Carcinosarcoma

Answer 27

Ovaries - malignant

Question 28

Hamartoma

Answer 28

Non-neoplastic overgrowth of normal tissue, stays at site of occurrence, developmental abnormalities

Question 29

Examples of hamartoma

Answer 29

Lung hamartoma

Question 30

Choristoma

Answer 30

(Heterotypic rests), nodules of organ parenchyma in another organ

Question 31

Examples of choristoma

Answer 31

Normal (non-neoplastic) pancreas nodule in stomach