This collection of blood within the skull is a serious, possibly life-threatening, complication of a head injury.
Disease
Shigella infection
This infection of the intestine causes diarrhea. Learn the symptoms, treatments and ways to help prevent it.
Disease
Cryoglobulinemia
When atypical proteins in the blood clump together at temperatures below 98.6 F (37 C), the clump can block blood flow and damage the skin, joints and nerves.
Disease
Granulomatosis with polyangiitis
This disease can cause swelling in the blood vessels of the nose, sinuses, throat, lungs and kidneys. Prompt treatment is key.
Disease
Polymyalgia rheumatica
Older adults who get sudden muscle pain and stiffness, mainly in the shoulders, might have this condition.
Disease
Castleman disease
This rare disorder involves an overgrowth of cells in your body's lymph nodes. Treatment varies depending on how many lymph nodes are involved.
Disease
Voice disorders
Learn more about the causes of common voice disorders, such as laryngitis and granuloma, and how Mayo Clinic diagnoses and treats them.
Disease
Hypoparathyroidism
Learn more about this condition in which low levels of parathyroid hormone upset the balance of calcium and phosphorus in the body.
Disease
Chronic traumatic encephalopathy
This brain disease is likely caused by repeated concussions, but this condition isn't well understood.
Disease
Gastritis
Learn about the causes and treatments for this inflammation of the stomach lining.
Disease
Cyclic vomiting syndrome
This condition often starts in childhood and is marked by spells of vomiting several times an hour over a period of hours or days.
Disease
Liver hemangioma
This noncancerous liver mass usually doesn't need treatment. Find out more about this common liver condition and when to seek help.