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In radiology, the thumbprint sign, or thumbprinting, is a radiologic sign found on a radiograph that suggests the diagnosis of either epiglottitis or intestinal ischemia.. In a lateral C-spine radiograph, the sign is caused by a thickened free edge of the epiglottis, which causes it to appear more radiopaque than normal, resembling the distal thumb.
Ischemic colitis (also spelled ischaemic colitis) is a medical condition in which inflammation and injury of the large intestine result from inadequate blood supply . Although uncommon in the general population, ischemic colitis occurs with greater frequency in the elderly, and is the most common form of bowel ischemia .
Print/export Download as PDF; ... Signs and symptoms ... It can also be idiopathic (see colitis), vascular (as in ischemic colitis), or autoimmune ...
Ischemic colitis is kind of like a stroke or heart attack that affects your gut instead of the brain or heart, explains Arun Swaminath, MD, director of the Inflammatory Bowel Disease Program at ...
Although uncommon in the general population, ischemic colitis occurs with greater frequency in the elderly, and is the most common form of bowel ischemia. [ 43 ] [ 44 ] [ 45 ] Causes of the reduced blood flow can include changes in the systemic circulation (e.g. low blood pressure ), or local factors such as constriction of blood vessels or a ...
Primary vascular causes of bowel infarction, also known as mesenteric ischemia, are due to blockages in the arteries or veins that supply the bowel.Types of mesenteric ischemia are generally separated into acute and chronic processes, because this helps determine treatment and prognosis.
Toxic megacolon in a patient with ulcerative colitis: The patient subsequently underwent a colectomy. A pathological specimen showing toxic megacolon. The pathological process involves inflammation and damage to the colonic wall with unknown toxins breaking down the protective mucosal barrier and exposing the muscularis propria. [4]
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