Tumor

Alternative names:

neoplasm

Definition:

A spontaneous new growth of tissue forming an abnormal mass. A neoplasm, or tumor, serves no useful function growing at the expense of the healthy organism.

For information about a specific type of tumor or neoplasm see one of the following documents:

• astrocytoma
• basal cell cancer
• benign ear cysts and tumors
• bile duct cancer
• bone neoplasm
• bone tumors
• brain tumor - metastatic
• brain tumor - primary
• brain tumor - secondary
• breast cancer
• bronchogenic carcinoma
• cancer and breast lumps
• cancer of the cervix
• cancer of the esophagus
• cancer of the kidney or ureter
• cancer of the ovaries
• cancer of the penis
• cancer of the perineum
• cancer of the testicle
• cancer of the vulva
• carcinoma of the renal pelvis or ureter
• carcinoma of the stomach
• carcinoma of the testes
• cerebellopontine angle tumor
• colon cancer
• choriocarcinoma
• craniopharyngioma
• endometrial cancer
• ependymoma
• Ewing's sarcoma
• gastric cancer
• glioblastoma
• Hodgkin's lymphoma
• islet cell tumors
• large-bowel neoplasms
• liver cancer
• lung cancer
• malignant melanoma
• meduloblastoma
• meningioma
• metastatic cancer to the lung
• metastatic pleural tumor
• multiple myeloma
• neuroblastoma
• Non-Hodgkin's lymphoma
• osteosarcoma
• oral cancer
• pancreatic cancer
• pituitary tumor
• prostatic neoplasm
• renal cell carcinoma
• renal neoplasm
• schwannoma
• salivary duct tumors
• sarcoma
• sarcoma botyroides
• seminoma
• Sertoli-Leydig cell tumor
• skin cancer - malignant melanoma
• squamous cell carcinoma
• throat cancer
• thyroid - medullary carcinoma
• thyroid cancer
• tumor - heart
• tumor - spinal cord
• tumors of the liver
• vaginal tumors
• Wilms' tumor

See also cancer.