Tumors

Question 1

Adenoma

Answer 1

A benign tumor that starts in gland-like cells of the epithelial (cells that line cavities & surfaces of the body) tissue

Question 2

Astrocytoma

Answer 2

A benign or malignant tumor that begins in the brain or spinal cord in small star-shaped cells called astrocytes

Question 3

Carcinoma

Answer 3

A malignant tumor that begins in the skin or in tissues that line or cover internal organs

Question 4

Chondroma

Answer 4

A benign tumor containing the structural elements of cartilage.

Question 5

Chondrosarcoma

Answer 5

A type of malignant cancer that forms from cartilage

Question 6

Cystadenoma

Answer 6

A benign tumor in gland like cells of epithelial tissues forming a closed sac having a distinct membrane and developing abnormally in a body cavity or structure

Question 7

Dysgerminoma

Answer 7

A malignant or benign tumor (as of the ovary or testies) that originates from undifferentiated embryonic germ cells.

Question 8

Erythroid Leukemia

Answer 8

A malignant acute or chronic cancer of unknown cause in animals that involves the blood-forming organs, is characterized by an abnormal increase in the number of red blood cells in the tissues of the body

Question 9

Fibroma

Answer 9

A benign tumor consisting of fibrous tissue

Question 10

Fibrosarcoma

Answer 10

A type of soft tissue sarcoma consisting chiefly of spindle-shaped cells that begins in fibrous tissue, which holds bones, muscles, and other organs in place. This tumor tends to be locally invasive, but has a low rate of metastasis.

Question 11

Granulosa Cell Tumor

Answer 11

A benign or malignant tumor of estrogen-secreting cells of the epithelial lining of an ovary

Question 12

Hemangioma

Answer 12

A benign tumor made up of blood vessels that typically occurs as a purplish or reddish slightly elevated area of skin

Question 13

Hemangiosarcoma

Answer 13

A malignant tumor made up of blood vessels that typically occurs in the spleen or right atrium of the heart.

Question 14

Leiomyoma

Answer 14

A benign smooth muscle tumor, usually in the uterus or gastrointestinal tract. Also called fibroid

Question 15

Leiomyosarcoma

Answer 15

A malignant (cancerous) tumor of smooth muscle cells that can arise almost anywhere in the body, but is most common in the uterus or abdominal organs

Question 16

Leydig Cell Tumor

Answer 16

A benign tumor of interstitial tissue of the testies that is considered red the Chris source of testicular hormones; testosterone

Question 17

Lipoma

Answer 17

A benign tumor of fatty tissue (adipocyte)

Question 18

Liposarcoma

Answer 18

A malignant soft tissue tumor (sarcoma) arising from immature fat cells

Question 19

Lymphoblastic Leukemia

Answer 19

A malignant cancer of the blood characterized by an abnormal increase in the number of WBC, specifically lymphocytes, which accumulate in bone marrow, lymphoid tissue (lymph nodes and spleen), circulating blood

Question 20

Lymphoma

Answer 20

A malignant tumor of lymphoid tissue

Question 21

Malignant Histiocytosis

Answer 21

A malignant tumor of histiocytes, which originate from monocytes and macrophages. Typically involves lymph nodes and lungs, as well as other abdominal organs.

Question 22

Malignant Melanoma

Answer 22

A malignant tumor that begins in the melanocytes (cells that produce the pigment melanin)

Question 23

Mast Cell Tumor

Answer 23

A malignant tumor of mast cells (a type of inflammatory cell). Mast cell tumors can involve the skin, subcutaneous tissue, muscle tissue, as well as lymph nodes and other organs.

Question 24

Mesothelioma

Answer 24

A benign (non cancerous) or a malignant (cancerous) tumor affecting the lining of the chest or abdomen

Question 25

Adenocarcinoma

Answer 25

Malignant form of cancer that begins in cells that line certain internal organs and that have gland-like (secretory) properties

Question 26

Multiple Myeloma

Answer 26

A type of malignant cancer that begins in plasma cells (WBC that produce antibodies) Often associated with an elevation in blood proteins, w/ potentially bone & bone marrow involvement

Question 27

Myeloid Leukemia

Answer 27

A malignant leukemia (cancer of bone marrow) charters sized by proliferation of myeloid tissue (bone marrow & spleen) and an abnormal increase in the number of myeloid cells (non-lymphoid cells)

Question 28

Oligodendroglioma

Answer 28

A rare benign, slow-growing tumor that begins in oligodendrocytes (cells that cover & protect nerve cells in the brain & spinal cord

Question 29

Osteoma

Answer 29

A benign tumor composed of bone tissue

Question 30

Osteosarcoma

Answer 30

A malignant tumor of the bone that usually affects the long bones of the arm or leg

Question 31

Plasmacytoma

Answer 31

A type of cancer that tends to have a benign behavior and begins in plasma cells (WBC that produce antibodies)

Question 32

Rhabdomyoma

Answer 32

A benign tumor composed of striated muscle fiber

Question 33

Rhabdomyosarcoma

Answer 33

A malignant tumor composed of striated muscle fibers

Question 34

Seminoma

Answer 34

A benign germ cell tumor of the testies

Question 35

Sertoli Cell Tumor

Answer 35

A benign tumor of the elongated striated cells in the seminiferous tubules of the testis

Question 36

Soft Tissue Sarcoma

Answer 36

A form of malignant cancer that developed in mesenchymal tissue: the muscle, connective tissue, and bones of the body. Includes peripheral nerve sheath tumors, fibrosarcomas, etc

Question 37

Squamous Cell Carcinoma

Answer 37

A malignant tumor of squamous cells, which are thin, flat cells that look like fish scales located in the surface of skin, the lining of the hallow organs in the body, and passages of the respiratory & digestive tracts

Question 38

Squamous Papillomas

Answer 38

A benign tumor (wart) resulting from an overgrowth of epithelial tissue on the skin

Question 39

Synovial Cell Sarcoma

Answer 39

A malignant tumor that arises from cells that line joint capsules

Question 40

Thymoma

Answer 40

Encapsulated- a benign encapsulated tumor of the thymus, an organ that is part of the lymphatic system and is located in the chest, behind the breastbone. Invasive- a malignant tumor of the thymus that is part of the lymphatic system and spreads to other areas of the body

Question 41

Transitional Cell Carcinoma

Answer 41

A malignant tumor of transitional epithet goal origin usually associated with the bladder