There's a reason why melanoma, the most serious type of skin cancer, is so aggressive. You just need to watch the cells in action. Researchers at the University of Iowa did just that, documenting in ...

Adrenal tumors can grow slowly or quickly depending on whether they are cancerous or noncancerous. Cancerous types tend to grow faster than noncancerous types. Approximately 75% of all adrenal tumors ...

Plexiform neurofibromas are tumors that grow along nerves. That’s how they get their name: "neuro" means nerves, and "fibroma" is a type of tumor. These growths have nerve tissue and many different ...

The future of cancer treatment — hailed as the “holy grail” of early detection — is now being put to the test. Following a radically successful trial on cancer patients, a new blood test that promises ...

Christina Curtis, associate professor of medicine and genetics at Stanford University’s School of Medicine. Credit: courtesy Christina Curtis Despite tremendous scientific advances, there’s still so ...

Symptoms of liver cancer don’t usually appear early on. You can’t see your liver from the outside, so it’s not like skin cancer, where there’s a lesion on your skin. A lot of cancers cause pain or a ...

A tumor is a mass of abnormal tissue caused by an overgrowth of cells. Benign tumors don’t always require treatment, but they do call for careful monitoring. There are two main types of tumors. Benign ...

About 90 percent of cancer deaths are caused by tumor metastasis – or when cancer cells break free and spread to other parts of the body. Yet, we don’t have an exact understanding of the mechanism ...

What are germ cell and sex cord stromal cells? Germ cells and sex cord stromal cells form when a fetus (baby) is developing. A fetus is made from a sperm cell and an egg cell. Germ cell tumors (GCTs) ...

Pineal region tumors develop in or around the pineal gland, a small, pea-sized organ near the brain’s center. They can be benign or malignant, and they are rare. The pineal gland plays a crucial role ...