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Megacolon is an abnormal dilation of the colon (also called the large intestine). [ 1 ] [ 2 ] This leads to hypertrophy of the colon. [ 2 ] The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel.
Ogilvie syndrome, or acute colonic pseudo-obstruction, is the acute dilatation of the colon in the absence of any mechanical obstruction in severely ill patients. [1]Acute colonic pseudo-obstruction is characterized by massive dilatation of the cecum (diameter > 10 cm) and right colon on abdominal X-ray.
Toxic megacolon is an acute form of colonic distension. [2] It is characterized by a very dilated colon ( megacolon ), accompanied by abdominal distension ( bloating ), and sometimes fever , abdominal pain , or shock .
A histologic examination of the tissue would show a lack of ganglionic nerve cells. Diagnostic techniques involve anorectal manometry, [31] barium enema, and rectal biopsy. The suction rectal biopsy is considered the current international gold standard in the diagnosis of Hirschsprung's disease. [32] Radiologic findings may also assist with ...
Megaduodenum due to its duodenal ganglionitis is an unusual condition, Megaduodenum's similarity to megacolon and megaesophagus diseases can better explain the most plausible causes of it. [6] In addition, some theories state that megaduodenum can be associated with the following causes: post-vagotomy, vitamin deficiency, and collagen diseases. [7]
Adult-onset immunodeficiency syndrome is a type of immunodeficiency.It is linked to vulnerability to disseminated infections brought on by opportunistic pathogens.People with this condition have increased levels of anti-interferon-gamma autoantibodies.
The current (2008) diagnostic criteria for HLH are [23] 1. A molecular diagnosis consistent with HLH. These include the identification of pathologic mutations of PRF1, UNC13D, or STX11. OR 2. Fulfillment of five out of the eight criteria below: Fever (defined as a temperature >100.3 °F, >38 °C) Enlargement of the spleen
Heyde's syndrome; A stenotic aortic valve: Specialty: Cardiology, general surgery, Hematology: Symptoms: Aortic valve stenosis symptoms: Chest pain (angina) or tightness Shortness of breath, especially during exertion or when lying down Fatigue or weakness Irregular heartbeat or heart palpitations Dizziness or fainting episodes Gastrointestinal bleeding symptoms: Occult (hidden) or overt ...