TNF, which stands for tumor necrosis factor, is a substance in your body that causes inflammation. Learn about the role it plays in diseases like rheumatoid arthritis (RA).

Carcinoid tumors often have no symptoms, however, they may cause carcinoid syndrome. Signs and symptoms of carcinoid syndrome may include facial flushing, diarrhea, heart disease, and

Read bout tumor grade, a system that is used to classify how likely a tumor will grow, and how abnormal the tumor is. A tumor may be malignant (cancerous) or benign.

A bone tumor (also spelled bone tumour) is a neoplastic growth of tissue in bone.Abnormal growths found in the bone can be either benign (noncancerous) or malignant (cancerous).

Patients suspected of having a sex-hormone producing tumor should have tests aimed at the specific type of tumor. For androgen secreting tumors, high blood testosterone and DHEA-s levels and urine 17-ketosteroids help make the diagnosis.

Radiolabeled Octreotide for Theutic Use. Aetna considers radiolabeled octreotide medically necessary for the treatment of gastroenteropancreatic neuroendocrine tumors.

Endodermal sinus tumor (EST), also known as yolk sac tumor (YST), is a member of the germ cell tumor group of cancers.It is the most common testicular tumor in ren under 3, and is also known as infantile embryonal carcinoma.

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Also known as acrochordon, skin tag, soft fibroma, cutaneous papilloma, cutaneous tag, fibroma pendulum, fibroma molluscum Common, benign skin lesion of adults

Learn about carcinoid lung tumor, a tumor that is neither benign or malignant. Symptoms of a carcinoid lung tumor include coughing up blood, wheezing, difficulty breathing, wheezing, and more.