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Pectus Excavatum

Pectus excavatum is a condition in which it looks as if a child's breastbone (sternum) is caved in. Both the breastbone and the part of the ribs that connect to it are depressed into the chest. Pectus excavatum may not be noticeable at ...

PEG Tube Placement

A percutaneous endoscopic gastrostomy (PEG) tube is a feeding tube surgically placed through your abdomen into your stomach.

Pelvic Congestion Syndrome

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.

Pelvic Fracture

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 (PID)

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

Pelvic pain is a challenging condition that can be due to many possible causes.

Pelvic Ultrasound

A pelvic ultrasound is a scan that looks at the organs and structures in your pelvic area. Ultrasound uses a device called a transducer to send out sound waves that are too high to be heard. The transducer sends the sound waves through ...

Pemphigus Vulgaris

Pemphigus is a rare group of autoimmune diseases. It causes blisters on the skin and mucous membranes throughout the body. Pemphigus vulgaris is the most common type of pemphigus.

Penetrating Aortic Ulcer

The aorta is the largest artery in the body. It rises from the heart's left ventricle (the major chamber that pumps blood out of the heart) and is filled with oxygen-rich blood that travels throughout the body. The artery is made up of ...

Penile Cancer

Penile cancer is when malignant (cancer) cells develop in the tissues of the penis. While the condition is rare in the United States, it is relatively common in many parts of the world. The majority of penile cancers develop as a type of...

Penile Cancer: Overview

Cancer that starts in cells in the penis is called penile cancer. Learn more about symptoms, diagnosis, and treatments.

Peptic Ulcers

A peptic ulcer is a sore on the lining of your stomach or the first part of your small intestine (duodenum).

Percutaneous Balloon Pericardiotomy

Percutaneous balloon pericardiotomy (PBP) is a procedure done to drain excess fluid in the sac around the heart.

Percutaneous Transcatheter Treatment of Deep Vein Thrombosis (DVT)

Percutaneous transcatheter treatment is one type of therapy for deep venous thrombosis (DVT). DVT is a blood clot that forms in a large vein deep in the body. It happens most often in a leg. The procedure uses a long thin tube to help ...

Pericardial Effusion

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.

Pericardial Window

A pericardial window is a procedure in which a small part of the sac around the heart is surgically removed to drain excess fluid.


A pericardiectomy is a procedure done on the sac around the heart. A surgeon cuts away this sac or a large part of this sac. This allows the heart to move freely.


Pericardiocentesis is a procedure to remove fluid that has built up in the sac around the heart. It is done using a needle and small catheter to drain excess fluid.


Pericarditis is inflammation of the pericardium, the thin sac that surrounds the heart. Read on to learn details, such as causes, symptoms, diagnosis, treatment, and complications.

Pericarditis in Children

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.

Perineal Fistula

A perineal fistula is a type of anorectal malformation (ARM) that involves a misplaced anal passage that is often narrowed. With a perineal fistula, the abnormal anal opening is located outside of the sphincter muscle complex, such that ...

Periodic Paralysis

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 in Children

Periodontal disease is a serious bacterial infection. It destroys the gums and the nearby tissues of the mouth.

Periodontal Diseases

Detailed information on periodontal disease, including types, symptoms, causes, and treatment

Peripheral Neuropathy

Peripheral neuropathy is a type of damage to the nervous system.

Peripheral Vascular Disease

Peripheral vascular disease (PVD) is a slow and progressive circulation disorder caused by narrowing, blockage or spasms in a blood vessel.

Peritoneal Cancer

Cancer that has spread to the lining surfaces of the peritoneal (abdominal) cavity from ovarian cancer, primary colorectal cancer, appendiceal cancer, or mesothelioma and pseudomyxoma peritonei—known as peritoneal carcinomatosis—are ...

Peritoneal Cancer

Cancer that has spread to the lining surfaces of the peritoneal (abdominal) cavity from ovarian cancer, primary colorectal cancer, appendiceal cancer, or mesothelioma and pseudomyxoma peritonei—known as peritoneal carcinomatosis—are ...


Peritonitis is a redness and swelling (inflammation) of the tissue that lines your belly or abdomen. This tissue is called the peritoneum.

Showing 31 - 60 of 181 results.
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