1. Carcinoma: It includes tumors of brain, breast, skin, cervical region. These are derived from epithelial tissue, originating from either ectoderm or endoderm. Theseoccurs as solid tumors, located in the nervous tissue on the body surface or associated glands.
2. Sarcoma: They are the cancers of connective tissues, cartilage, bone or muscles which are mesodermal in origin.
3. The leukemias: A class of sarcomas, grow as individual cells in the blood, whereas most other tumors are solid masses. (The name leukemia is derived from the Latin for “white blood”: the massive proliferation of leukemic cells can cause a patient’s blood to appear milky)
4. Lymphoma: Lymph nodes, bone marrow, liver and spleen produces excessive lymphocytes. Cancer in them are called as lymphomas eg. Hodgkin’s disease.
2. Sarcoma: They are the cancers of connective tissues, cartilage, bone or muscles which are mesodermal in origin.
3. The leukemias: A class of sarcomas, grow as individual cells in the blood, whereas most other tumors are solid masses. (The name leukemia is derived from the Latin for “white blood”: the massive proliferation of leukemic cells can cause a patient’s blood to appear milky)
4. Lymphoma: Lymph nodes, bone marrow, liver and spleen produces excessive lymphocytes. Cancer in them are called as lymphomas eg. Hodgkin’s disease.
