5 Yet another classification system is based on tumor location and its communication with the sacrum and/or coccyx (Fig. 1). Using tumor location as the basis for the classification facilitates the ...

Tailbone pain or pain in the coccyx may occur suddenly after an obvious injury. It can also appear over time, with no apparent cause. Doctors may call it coccydynia. Pain in the tailbone or coccyx ...

It also helps you twist, bend, and otherwise alter your trunk and neck position. There are typically 24 movable bones in the spine that connect to the sacrum (a bony structure located below the lumbar ...

Low back pain is one of the most common reasons patients see primary care doctors. To understand this condition, it’s ...

It contains the following: Sacrum. A spade-shaped bone that is formed by the fusion of 5 originally separate sacral vertebrae. Coccyx (tailbone). Formed by the fusion of 4 originally separated ...

Mar. 13, 2025 — A study shows that high-grade glioma tumor cells harboring DNA alterations in the gene PDGFRA responded to the drug avapritinib, which is already approved by the United States ...

Joel E. Goldthwait, M.D.

Cysts and tumors are both types of lumps commonly found in the body. While they can be similar in appearance, you can tell apart with a few key characteristics. Cysts are typically benign and are ...

Apr. 9, 2025 — A small protein involved in neurodegeneration leading to Parkinson's disease also drives a type of skin cancer known as melanoma, according to new ...

Tumors and cysts are two different types of growth. People cannot always tell the difference themselves, which is why it is important to get a diagnosis from a doctor. To determine whether a ...