Category: Ps-Pz

Pertaining to or within the purview of psychiatry, the medical specialty concerned with the prevention, diagnosis, and treatment of mental illness. Psychiatric may refer to mental illness. For example, the 42-year-old man had a long history of psychiatric disease.

Progressive supranuclear palsy, a neurologic disorder of unknown origin that gradually destroys cells in many areas of the brain, leading to serious and permanent problems with the control of gait and balance. The most obvious sign of the disease is an inability to aim the eyes properly, which occurs because of damage in the area of the brain…

Joint inflammation that is associated with psoriasis. Psoriatic arthritis is a potentially destructive and deforming form of arthritis that affects approximately 10 percent of persons with psoriasis.

A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or buttocks. Psoriasis is an autoimmune disease that is mediated by T lymphocytes. It is also a very common disease, Chronic plaque psoriasis affects approximately 2% of people around the world. About 10% to 15% of patients with psoriasis…

Increased pressure within the brain in the absence of a tumor. Pseudotumor cerebri can cause headache, ringing in the ears, double vision, loss of visual accuracy, and even complete blindness. It is most common in obese woman of childbearing age. Although its cause is usually not known, pseudotumor cerebri is sometimes linked to use of tetracycline, nalidixic acid, nitrofurantoin, phenytoin, lithium, or…

The versatile “blue-green pus bacteria” that opportunistically infects people, especially those who are immunocompromised. Pseudomonas rarely causes infection in healthy individuals but it is a major cause of hospital acquired (nosocomial) infections. It tends to infect people with immunodeficiency or burns and those with indwelling catheters or on respirators. Infection with pseudomonas can lead to urinary tract infections, sepsis (blood stream infection), pneumonia, pharyngitis, and many…

Severe inflammation of the inner lining of the colon. Pseudomembranous colitis is characterized by pus and blood in the stool and often caused by antibiotics.

Prostate specific antigen. A test for PSA may be used to screen for cancer of the prostate and to monitor treatment of the disease. PSA is a protein produced by the prostate gland. Although most PSA is carried out of the body in semen, a very small amount escapes into the blood stream. The PSA test is done on blood.…