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Definition Granulomatosis with polyangiitis (GPA) or Wegener’s Granulomatosis (WG) is an uncommon type of inflammation of small arteries and veins (vasculitis). It classically involves inflammation of the arteries that supply blood to the tissues of the lungs, the nasal passages (sinuses), and the kidneys. “Incomplete” forms exist that only involve …

Definition Giardiasis (giardia) is an intestinal infection marked by abdominal cramps, bloating, nausea, and bouts of watery diarrhea. Giardia infection is caused by Giardia lamblia a microscopic parasite that is found worldwide, especially in areas with poor sanitation and unsafe water. Infection with giardiasis is one of the most common …

Genital Warts – Overview Genital warts are contagious, fleshy growths in the genital or anal area. They are one of the most common types of sexually transmitted infections. They are also known as venereal warts or condylomata acuminate. They are caused by the human papillomavirus (HPV), and they are a …

Definition Gastroschisis is a relatively uncommon condition that occurs in approximately 1 in 5,000 live births. It is one of a group of birth defects known as abdominal wall defects, which occur very early in gestation and are characterized by an opening in the abdominal wall of the fetus. Most …

Definition Gastroparesis means partial paralysis of the stomach. The word ‘gastro’ refers to the stomach, and the word ‘paresis’ means partial paralysis. To understand what goes wrong in gastroparesis, it is important to know how a healthy digestive tract functions. When we eat, we start by chewing and swallowing (ingesting), …

Gricelli Syndrome – Overview Gricelli syndrome is an inherited condition characterized by unusually light (hypopigmented) skin and light silvery-gray hair starting in infancy. Researchers have identified three types of this disorder, which are distinguished by their genetic cause and pattern of signs and symptoms. Griscelli syndrome type 1 involves severe …

Definition of Guillain Barre syndrome Guillain Barre syndrome (GBS) is a rare neurological disorder in which the body’s immune system mistakenly attacks part of its peripheral nervous system the network of nerves located outside of the brain and spinal cord. GBS can range from a very mild case with a …

Definition of Gigantism Gigantism is a rare condition that causes abnormal growth in children. This change is most notable in terms of height, but girth is affected as well. It occurs when your child’s pituitary gland makes too much growth hormone, which is also known as somatotropin. Early diagnosis is …