Tumor Nomenclature

Question 1

What type of cancers are generally composed of mesenchymal tissue?

Answer 1

Sarcomas

Question 2

What types of cancers are generally composed of epithelial cell origin?

Answer 2

Carcinomas

Question 3

Benign and malignant tumors of blood vessels?

Answer 3

b- Hemangioma

m-Angiosarcoma

Question 4

Benign and malignant tumors of lymph vessels?

Answer 4

b-Lymphangioma

m-Lymphangiosarcoma

Question 5

Benign and malignant tumors of mesothelium?

Answer 5

b- Benign fibrous tumor

m- Mesothelioma

Question 6

Benign and malignant tumors of brain coverings?

Answer 6

b- Meningioma

m- Invasive meningioma

Question 7

Benign and malignant tumors of hematopoietic and lymphoid cells/tissue?

Answer 7

Trick question! NO benign tumors

Leukemias and Lymphomas

Question 8

Benign and malignant tumors of smooth muscle?

Answer 8

b- Leiomyoma

m-Leiomyosarcoma

Question 9

Benign and malignant tumors of striated muscle?

Answer 9

b- Rhabdomyoma

m- Rhabdomyosarcoma

Question 10

Benign and malignant tumors of stratified squamous epithelium?

Answer 10

b- Squamous cell papilloma

m- Squamous cell carcinoma

Question 11

Benign and malignant tumors of respiratory passages?

Answer 11

b- Bronchial adenoma

m- Bronchogenic carcinoma (aka lung cancer)

Question 12

Benign and malignant tumors of Renal epithelium?

Answer 12

b- Renal tubular adenoma

m- Renal cell carcinoma

Question 13

Benign and malignant tumors of Liver cells?

Answer 13

b- Hepatic adenoma

m- Hepatocellular carcinoma

Question 14

Benign and malignant tumors of urinary tract epithelium? (aka transitional or urothelium)

Answer 14

b- Transitional cell papilloma

m- Transitional cell carcinoma

Question 15

Benign and malignant tumors of Placental epithelium?

Answer 15

b- Hydatiform mole

m- Choriocarcinoma (remember chorio=placenta)

Question 16

Benign and malignant tumors of Testicular epithelium (germ cells)?

Answer 16

ONLY malignant- Seminoma and embryonal carcinoma

Question 17

Benign and malignant tumors of melanocytes?

Answer 17

b- nevus

m- Malignant melanoma

Question 18

What is a mixed tumor?

Answer 18

Tumor derived from more then one germ layer (teratogenous) or from one germ layer with more then one neoplastic cell type (i.e. all ectoderm, different tissues)

Question 19

Benign and malignant tumors of salivary glands? (hint: both are mixed)

Answer 19

b- Pleomorphic adenoma (mixed)

m- Malignant mixed tumor of salivary gland origin

Question 20

Benign and malignant tumors of Totipotent cells in gonads?

Answer 20

b- Mature teratoma (dermoid cyst)

m- Immature teratoma (teratocarcinoma)

Question 21

Benign and malignant tumors of bone, fat, cartilage?

Answer 21

b- osteoma, lipoma, chondroma

m- osteogenic sarcoma, liposarcoma, chondrosarcoma

Question 22

Benign and malignant tumors of glands?

Answer 22

b- Adenoma

m- Adenocarcinoma (classic descriptor=scirrous)