Question | Answer |
Define neoplasia | the production of new growth |
Define neoplasm | an abnormal, continually growing mass of tissue whose growth exceeds and is uncoordinated with the tissue around it |
Define Tumor | used to mean swelling, now means swelling caused by neoplasm |
Define oncology | the study of and treatment of tumors |
Define totipotential cells | could become every other cell in body |
pluripotential cells | can become a few other cells in the body |
differentiated cell | specific, only that particular cell |
permanent cell | no ability to divide or differentiate |
What are neoplasms of totipotential cells | germ cells |
What are the germ cell tumors called in males? Females? | seminoma, dysgerminoma |
Can teratomas become benign, malignant, or both | both |
T/F carcinomas are benign | F, they are highly malignant |
Where can you get teratomas? | Either the ovaries or the testes |
Tumors of pluritpotent cells develop generally at what age | 5 YOA |
What type of tumors are tumors of pluripotent cells | tumors of the organ anlage cells, highly malignant |
Name the type of tumors in each area: soft tissue, adrenal medulla | rhabdomyosarcoma, neuroblastoma |
What is the most important thing about naming tumors of differentiated cells | the tissue of origin, either epithelial or mesodermal |
Give examples of tumors of epithelial origin | papilloma, polyp, adenoma, carcinoma |
Give examples of tumors of mesodermal origin | benign-oma, malignant-sarcoma |
What are examples of tumors that are benign but sound malignant | osteoblastoma, chondroblastoma |
What are tumors that are malignant but sound benign | lymphoma, glioma, melanoma, plasmacytoma |
T/F all mesotheliomas are malignant | T |
T/F leukemias or lymphomas are only benign | F all malignant |