ulcer medical definition

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Typically it is edematous, pigmented, and scarred. The health care professional should examine the leg for lesions superior to the medial malleolus and should carefully measure the size, shape, and margins of wounds; drainage or exudates; surrounding skin; and pain or tenderness.

peptic ulcer a loss of tissues lining the lower esophagus, stomach, or duodenum; an acute lesion that does not extend through the muscularis mucosae is simply called an erosion. An open sore on the mucosa of the first portion of the duodenum, most often the result of infection with A tiny ulcer originating in a lymph follicle and affecting a mucous membrane.A nearly painless ulcer usually found on the leg, characterized by an indurated, elevated edge and a nongranulating base.An ulcer caused by diminished blood flow through an artery, esp. In the U.S. about 3.5% of people over 65 have venous stasis ulcers. They may result in loss of digits as a result of gangrene. The patient is assessed for possible complications: hemorrhage, shock, malabsorption problems (iron, folate, or vitamin BThe most common sites of skin breakdown are over bony prominences (the sacrum and the trochanters, the heels, the lateral malleoli and also the shoulder blades, ischial tuberosities, occiput, ear lobes, elbows, and iliac crests). An ulcer caused by a specific disease, e.g., syphilis or lupus erythematosus.A rarely occurring ulcer of the colon caused by pressure from impacted feces.

Synonym: A basal cell carcinoma that has caused extensive local invasion and tissue destruction, esp.

Ulcers can have various causes, depending on their location. See: A site of damage to the skin or mucous membrane that is characterized by the formation of pus, death of tissue, and is frequently accompanied by an inflammatory reaction.A localized lesion of the skin or of a mucous layer in which the superficial epithelium is destroyed and deeper tissues are exposed. Low-pressure mattresses and special beds are kept in proper working order.

This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.https://medical-dictionary.thefreedictionary.com/Ulcera local defect, or excavation of the surface of an organ or tissue, produced by sloughing of necrotic inflammatory tissue.A lesion through the skin or a mucous membrane resulting from loss of tissue, usually with inflammation.
Delivered to your inbox!Another layer of protection':Face masks made from fabric IU scientist developed could kill the coronavirus April drove straight to St Vincent’s Hospital, where doctors agreed that another Signs of these problems may include: rash; itching; skin blistering; and Signs of these problems may include: rash; itching; skin blistering; and Dozens More in Her Apartment: 'We Kept Finding Handfuls'

in the middle of the night or when no food has been eaten for several hours. Gel flotation pads, alternating pressure mattresses, convoluted foam mattresses and sheepskins or imitation sheepskins may be employed.

Food intake often relieves the discomfort. When the lower extremities are examined, characteristic markers of venous ulceration include ankle flare (distention of small veins on the medial aspect of the foot due to chronic venous hypertension); dermatitis; pigmentation changes on the skin surface, usually appearing as brown discolorations affecting the medial part of the leg; woody induration of the leg; and varicosities. Electrolytes and fluids are replaced as needed.

Before applying any compression device or wrap, the health care professional should measure the patient’s leg circumference at the wound and the wound size of the ulcer.

An ulcer in the lining of the duodenum, the lower end of the esophagus, or the stomach (usually along the lesser curvature). The patient should be advised to elevate the legs 7 in (18 cm) above the heart for 2 to 4 hr during the day and at night. A turning sheet or pad is used to turn patients with minimal skin friction.

Aphthous ulcers are found in stomatitis, Behçet syndrome, Crohn disease, acquired immunodeficiency syndrome, and some cancers.For patients with oral ulcers, application of a topical anesthetic or a protective paste provides symptomatic relief and makes it possible to eat without pain.To prevent irritation and ulceration of the mucous membranes of the mouth, denture wearers should clean dentures daily and remove them while sleeping.

Multiple small, shallow ulcers that form in the mucosa of the stomach or, occasionally, in the duodenum in response to extreme physiological stressors.

Medical Definition of ulcer (Entry 1 of 2) : a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of … Any long-standing, slowly healing ulcer of a lower extremity, esp.

Bacterial peritonitis can lead to sepsis, shock, and death.Endoscopy (esophagogastroduodenoscopy) provides the single best test to diagnose peptic ulcers because it allows direct visualization of the mucosa and permits carbon–13 urea breath testing, cytological studies, and biopsy to diagnose The ambulatory patient is educated about agents that increase the risk for peptic ulceration and given specific instructions to avoid them. See: An ulcer due to injury of the oral mucosa.

ulcer - Medical Definition n. A lesion of the skin or a mucous membrane such as the one lining the stomach or duodenum that is accompanied by formation of pus and necrosis of surrounding tissue, usually resulting from inflammation or ischemia.