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.
Disease
Subconjunctival hemorrhage (broken blood vessel in eye)
Learn about this common eye condition that may look alarming but is usually harmless and clears up without treatment.
Disease
Burkitt lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
Disease
Myelofibrosis
Find out more about this bone marrow cancer. Learn about symptoms, diagnosis and treatments for primary myelofibrosis and secondary myelofibrosis.
Disease
Tendinopathy
Repetitive activities can injure tendons, causing pain and swelling. Wear and tear from age can also cause tendinopathy. These tendon injuries are common in the hands, arms and legs.