Baker's cyst

Bladder cancer

Brain tumor


Carotid artery disease

Cerebral palsy

Cluster headache

Cushing syndrome

Exercise headaches



Gallstones often don't cause symptoms. But if you have a gallbladder attack, you're not likely to forget it.

Herniated disk

Back pain may mean you have a herniated disk — but not always. In fact, you can have disk herniation without pain. Here are the facts.


Inflammatory bowel disease (IBD)

Knee bursitis

Marfan syndrome

Menstrual cramps

A monthly period is bad enough. Add in painful menstrual cramps, and you may be cursing this thing called womanhood. How do you get relief?

Myasthenia gravis



Patellar tendinitis

Placenta accreta

Posterior cruciate ligament injury

Less common than an ACL knee injury, a torn posterior cruciate ligament can be painful and sideline you for months. Find out more.

Primary progressive aphasia

Prostate cancer

Psoriatic arthritis

Some people with psoriasis may develop joint pain called psoriatic arthritis. Get the basics here.

Pulmonary embolism

Sex headaches

Shaken baby syndrome

Spinal cord injury


Syringomyelia is the development of a fluid-filled cyst within your spinal cord. It can cause a variety of neurological symptoms, including pain, weakness and stiffness.


Thrombophlebitis occurs when a blood clot and swelling develop in a vein, typically in your leg. The cause often is prolonged inactivity or bed rest.

Torn meniscus

Twisting the knee can cause a common knee injury known as a torn meniscus. Treatment sometimes includes surgery.


Toxoplasmosis is an infection caused by a parasite. It doesn't make most people ill, but infants and people with HIV/AIDS are at risk of complications.

Transient global amnesia

Traumatic brain injury

While mild traumatic brain injury generally results in few long-term problems, more severe injury can cause several physical, emotional, behavioral, communication and cognitive problems.

Undescended testicle

Uterine fibroids

Wilson's disease


Abdominal aortic aneurysm

Ankylosing spondylitis

Ankylosing spondylitis is an inflammatory arthritis that affects your spine and nearby joints. Over time, your spine may become stiff and immovable.

Bone metastasis

Brain aneurysm

Cervical cancer

Chronic pelvic pain in women


Deep vein thrombosis




Encephalitis is inflammation of the brain usually caused by a viral infection. Severe cases can cause brain damage, even death.


Enlarged heart

Enlarged heart is often a sign of a serious heart condition. Find out causes and treatments for enlarged heart.

Gallbladder cancer


Grand mal seizure

Heart failure

Liver disease

Lung cancer



Nasopharyngeal carcinoma


Paraneoplastic syndromes of the nervous system

Pericardial effusion

Plantar fasciitis

Plantar fasciitis is a common cause of heel pain. It generally clears up with the help of simple treatments for pain and inflammation.

Pulmonary hypertension

Rectovaginal fistula

Rheumatoid arthritis

Soft tissue sarcoma


Throat cancer

TMJ disorders

Ventricular fibrillation


Spinal cord tumor

Vertebral tumor

Wilms' tumor

Risk factors

Atypical hyperplasia of the breast

Breast cancer

Coarctation of the aorta

Cystic fibrosis

Hodgkin's lymphoma

Incompetent cervix

Kidney cancer

Multiple myeloma

Nasal polyps

Nasal polyps, inflammation-related growths in the nasal passages or sinuses, can block the flow of air and fluid in your nose.

Placenta previa

Placenta previa is a pregnancy complication that can cause excessive bleeding before or during delivery. Treatment may include bed rest or a C-section birth.

Polycystic kidney disease



Although the absence of menstruation (amenorrhea) is seldom serious, the condition can often be linked to an underlying problem requiring treatment.


Chest pain




Headaches in children

Heart murmurs


Caused by contractions of your diaphragm, hiccups are usually harmless. But rarely, hiccups may signal an underlying medical condition that requires treatment.

Peripheral neuropathy


Precocious puberty

Precocious puberty is a rare condition in which the physical signs of puberty begin to develop too early in children.



Treatments and drugs

Reye's syndrome

Aug. 19, 2016
  1. Neurological diagnostic tests and procedures. National Institute of Neurological Disorders and Stroke. Accessed June 30, 2016.
  2. Patient safety: Magnetic resonance imaging (MRI). American College of Radiology, Radiological Society of North America. Accessed June 30, 2016.
  3. Chernoff D, et al. Principles of magnetic resonance imaging. Accessed June 30, 2016.
  4. Magnetic resonance imaging (MRI) of the body. American College of Radiology, Radiological Society of North America. Accessed June 30, 2016.
  5. Brain and spinal cord tumors in adults. American Cancer Society. Accessed June 30, 2016.
  6. Magnetic resonance imaging (MRI). American Heart Association. Accessed June 30, 2016.
  7. AskMayoExpert. MRI of the breast. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2016.
  8. MRI of the musculoskeletal system. American College of Radiology, Radiological Society of North America. Accessed June 30, 2016.
  9. AskMayoExpert. MRI and implanted cardiac devices. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2016.
  10. AskMayoExpert. Cochlear implant and magnetic resonance imaging. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2016.
  11. Wadhwa V, et al. Bone and joint modeling from ED knee MRI: Feasibility and comparison with radiographs and 2D MRI. Clinical Imaging. 2016;40:765.