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Negative Pressure Wound Therapy (NPWT) is a type of treatment to help wounds heal. During the treatment, a device lowers air pressure on the wound.

A colloid cyst is a type of brain cyst. The cyst usually contains a thick gel-like substance called colloid. A colloid cyst is generally benign (not cancer).

A dermoid cyst is the growth of normal tissue in an abnormal place in the body. The cyst is benign (not cancer). It contains different types of tissue, such as hair follicles, cartilage, sweat glands, and glands that make skin oils. A dermoid cyst in the brain or spinal cord is a rare type of dermoid cyst. They often appear in children under age 10, but can also appear in older children and young adults.

Impacted earwax is a buildup of the natural wax in the ear. Impacted earwax is very common. It can cause symptoms such as hearing loss.

Benign paroxysmal positional vertigo (BPPV) is a problem with the inner ear. BPPV causes a feeling of spinning. It is a common problem of the vestibular system.

Your retina has special cells that detect color. If you have a problem with these cells, you may not be able to see some colors.

CVS is very common. Your eyes may itch and tear, or be dry and red. You may not be able to focus well. These problems are the result of a lot of computer use.

After an injection, swelling and irritation (inflammation) can occur at the site where the needle entered the skin. This reaction can be from the needle or the medicine that was injected. Or it may be a reaction to both.

Radiofrequency ablation (RFA) is a procedure that destroys cells in the esophagus that may turn into cancer. It can help prevent or treat cancer of the esophagus.