Neoplasia: Cancer cells (origin + malignant version)

Question 1

Leiomyoma

Answer 1

Smooth muscle

Leiomyosarcoma

Question 2

lipoma

Answer 2

adipocyte/fat cell

adiposarcoma or liposarcoma

Question 3

haemangioma

Answer 3

endothelial cell

haemangiosarcoma

Question 4

osteoma

Answer 4

bone cell (osteoblast/cyte)

osteosarcoma

Question 5

chondroma

Answer 5

cartilage (chondrocyte)

chondrosarcoma

Question 6

adenoma

Answer 6

glandular (secretory) epithelia cell

adenocarcinoma

Question 7

cystadenoma

Answer 7

glandular (secretory) epithelia cell growing in cystic pattern

cystadenocarcinoma

Question 8

papilloma

Answer 8

epithelial cell growing with finger-like projections

papillocarcinoma/papillary carcinoma

Question 9

teratoma

Answer 9

germ cell.

testicular teratoma (always malignant).

rarely, epithelial cell from female teratoma will accumulate more mutations and develop into teratocarcinoma (malignant).

Question 10

Leukaemia

Answer 10

haematopoietic cells

Question 11

lymphoma

Answer 11

lymphocytes, lymphoid tissue

Question 12

Melanoma

Answer 12

melanocytes

Question 13

glioma

Answer 13

glial cells (e.g. astrocytes)

Question 14

mesothelioma

Answer 14

mesothelial cell

Question 15

testicular tumours

Answer 15

typically, germ cell or embryonic germ cell precursor that mutated during embryogenesis