Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
Paget disease of the bone is a chronic bone disorder. It causes bones to become enlarged and deformed. Bone may become dense, but fragile, because of excessive breakdown and deformation of bone. The disease is the most common bone ...
The palate is divided into two parts: the bony hard palate in the front, and the fleshy soft palate in the back of the mouth. Cancer of the palate usually first noticed as an ulcer in the mouth. Tobacco and alcohol use are risk factors ...
Pancreatic pseudocysts are collections of leaked pancreatic fluids. They may form next to the pancreas during pancreatitis.
Pancreatitis is the redness and swelling (inflammation) of the pancreas. This happens when digestive juices or enzymes attack the pancreas.
Panic disorder is when you have repeated, unexpected panic attacks and worry constantly about when the next one might happen. Medicines and therapy can help.
The diaphragm is a muscle that separates the chest and abdominal cavities. Paralysis of this muscle is uncommon. Causes and risk factors include cancer, traums and neuromuscular disorders. Treatment options run from observation to ...
Sleepwalking refers to a type of sleep disorder that involves walking while in a deep sleep. But despite the name, sleepwalking can actually refer to more than that.
Parkinson disease is a motor system disorder that causes trembling, stiffness and trouble moving.
Parkinson disease is a movement disorder that can cause muscles to tighten and become rigid. It can make it difficult to walk and engage in daily activities and cause other symptoms.
In parotid duct obstruction, part of your parotid duct becomes blocked. As a result, saliva can’t flow normally from your parotid gland into your mouth.
Jumper’s knee is caused by overuse of your knee joint, such as frequent jumping on hard surfaces. It’s usually a sports-related injury, linked to leg muscle contraction and the force of hitting the ground.
Patent ductus arteriosus (PDA) is a heart defect found in the days or weeks after birth. The ductus arteriosus is a normal part of fetal blood circulation. All babies are born with this opening between the aorta and the pulmonary artery....
A patent foramen ovale (PFO) is a small hole between the two upper chambers of the heart, the right and the left atrium. Normally, a wall separates these chambers. No blood can flow between them. If a PFO exists, a little blood can flow ...
Pelvic congestion syndrome is a condition that causes chronic pelvic pain. It is thought to be caused by problems with the veins in the pelvic area. This is the lower part of your abdomen.
Fractures of the pelvis are uncommon and usually happen during high-speed accidents (such as car or motorcycle crashes) or falls from great heights. Severe fractures can be life-threatening. A minor fracture is usually treated with bed ...
Pelvic inflammatory disease or PID is an infection of a woman’s reproductive tract. Scar tissue grows between internal organs leading to ongoing pelvic pain. It can also lead to ectopic pregnancy.
Pelvic pain is a challenging condition that can be due to many possible causes.
Pemphigus is a rare group of autoimmune diseases. It causes blisters on the skin and mucous membranes throughout the body. It can affect the mouth, nose, throat, eyes, and genitals.
A peptic ulcer is a sore on the lining of your stomach or the first part of your small intestine (duodenum).
Pericardial effusion is the buildup of extra fluid in the space around the heart. If too much fluid builds up, it can put pressure on the heart. This can prevent it from pumping normally.
Pericarditis is inflammation of the pericardium, the thin sac that surrounds the heart.
Pericarditis is inflammation or infection of the pericardium. In children, pericarditis is most likely to happen after surgery to repair heart defects.
Perimenopause is the time around menopause when your body begins to change. You become less fertile and hormone levels fluctuate.
Periodic paralysis (PP) is a rare genetic disorder. It causes sudden attacks of short-term muscle weakness, stiffness, or paralysis. These attacks may affect the whole body or just one or two limbs.
Periodontal disease is a serious bacterial infection that destroys the gums and the nearby tissues of the mouth.
Peripheral neuropathy is a type of damage to the nervous system.
Peripheral vascular disease (PVD) is a slow and progressive circulation disorder caused by narrowing, blockage or spasms in a blood vessel.
Peritonitis is a redness and swelling (inflammation) of the tissue that lines your belly or abdomen. This tissue is called the peritoneum.
Periventricular leukomalacia (PVL) is a softening of white brain tissue near the ventricles. The ventricles are fluid-filled chambers in the brain.
Persistent depressive disorder is a type of depression. With persistent depressive disorder, a child has a low, sad, or irritable mood for at least 1 year.