Irritant contact dermatitis
A rash brought about by constant irritation from a substance. For example, anyone who washes their hands many times a day can develop “dish pan hands.” Another example is in young children who lick their lips repeatedly, resulting in an irritant reaction to saliva.
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- Ischemia
Inadequate blood supply to a local area due to blockage of blood vessels leading to that area. Treatment is directed toward increasing the circulation to the affected body area.
- Ischial bursitis
Inflammation of the bursa that separates the gluteus maximus muscle of the buttocks from the underlying bony prominence of the bone that we sit on, the ischial tuberosity. Ischial bursitis is a form of bursitis that is usually caused by prolonged sitting on hard surfaces that press against the bones of the bottom or mid-buttocks. […]
- Ischium
The bone that makes up the lower-rear part of the pelvis. Also known as ischiopubic bar and ischiopubic bone.
- Islet cell cancer
Gastrinomas — produce the hormone gastrin and cause the Zollinger-Ellison syndrome of unrelenting peptic ulcers, diarrhea, and gastric hyperacidity. Insulinomas — are characterized by hypoglycemia (low blood sugar) caused by inappropriate secretion of insulin by the tumor. These tumors may occur alone or as part of a MEN (multiple endocrine neoplasia) syndrome. Glucagonomas — produce […]
- Islet cell tumor
A tumor that arises from the islet cells of the pancreas. The islet cells normally produce insulin and other hormones, and so the tumors frequently, but not always, produce one of these hormones. Islet cell tumors can be benign or malignant and generally cause symptoms related to the hormone produced by the tumor. Specific types […]