What is solar urticaria? Solar urticaria is a skin condition known as hives that specifically develops after exposure to sunlight. It can also occur with artificial light sources within specific wavelengths. Solar urticaria is a type of photodermatosis – a skin condition that arises with light exposure. It tends to >> Read More ...
Definition and Meaning of PSC Primary sclerosing cholangitis (PSC) is a condition where the bile ducts are diseased and become thick, hard and narrow. This prevents the flow of bile through the ducts. Although there are many diseases that can damage the bile duct (secondary cholangitis), in primary sclerosing cholangitis >> Read More ...
What is reactive arthritis? Reactive arthritis is a condition of the joints that arises with gastrointestinal or genitourinary infections. It may also involve the skin and eyes. These manifestations at the joint, skin or eyes are not due an infection at these sites. Instead it is an immune response associated with an >> Read More ...
What is holiday heart syndrome? Holiday heart syndrome is a term coined by a cardiologist, Philip Ettinger, M.D. to describe a cardiac condition associated mainly with excessive alcohol consumption coupled with overeating and possibly a lack of sleep. Despite the term, it does not not only occur on holidays although it is >> Read More ...
What is Addison Disease? Addison disease is the term for primary adrenocortical insufficiency. This means that functions of the outer portion of the adrenal gland known as the cortex is impaired. The impairment is not a consequence of any other disease and is therefore referred to as primary adrenocortical insufficiency. >> Read More ...
Definition Meigs syndrome is a triad of medical conditions where there is a benign ovarian tumor (specifically an ovarian fibroma) with ascites (fluid accumulation in the abdominal cavity) and pleural effusion (fluid around the lungs in the pleural space). Once the tumor is removed, both ascites and pleural effusion >> Read More ...
Definition Dracunculiasis is a nematode (parasitic worm) infection caused by the guinea worm, Dracunculus medinensis. It is also known as guinea worm disease (GWD). It has become a very rare infection due to various eradication campaigns globally over the past quarter of a century. Dracunculiasis may be eradicated >> Read More ...
Definition Calcinosis cutis is a condition where there are deposits of calcium salts in the skin. It may also extend to the underlying tissue known as the subcutaneous tissue and calcinosis can occur even deeper in the body including within muscles or organs. In calcinosis cutis, the abnormal deposits are made up of >> Read More ...
What is Radiation Cystitis? Radiation cystitis is condition where the bladder become inflamed because of exposure to radiation. It is rare for most people to be exposed to radiation for other than medical reasons. The bladder itself may be targeted in radiation therapy (radiotherapy) or the other pelvic organs may be >> Read More ...
Definition Perioral dermatitis is a reddish skin rash around the mouth that presents with small pimples, tiny blisters and sometimes dry scaly skin. It closely resembles rosacea but is primarily isolated to the area around the mouth. The pimples are not due to acne vulgaris despite the similarity in presentation. Perioral >> Read More ...