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Internal Hemorrhoids: Signs /Symptoms And Prognosis
"Hemorrhoid" as an anatomical term is referred to as the tissue at the meeting point of the anus and the rectum. In common parlance, "having hemorrhoids," refers to varicose (i.e., enlarged, knotted, or swollen) veins in the hemorrhoid tissue at the junction of the rectum and the anus. Another disease, perianal hematoma, bruising as the result of internally hemorrhaging veins within perianal tissue, is often confused with hemorrhoids. Hemorrhoid treatment is different from perianal hematoma treatment. The perianal blood vessels lie just under the dermis surrounding the outer surface of the anal sphincter. Internal hemorrhoids are the focus of this article.
Hemorrhoids are categorized as either internal or external. All hemorrhoids initiate as an internal hemorrhoid. At their worst, hemorrhoids protrude out the anus even when the muscle is closed.
The tissue in the interior of the rectum has no nociceptors. Because of this, internal hemorrhoids aren't commonly diagnosed until there's a problem with them. Problems appear when irritation causes existing internal hemorrhoids to swell. The veins in this area drain the superior rectal veins, and problems with the varicose veins in the region can trigger a cycle of swelling. There are other maladies with symptoms that, at some times, duplicate features of hemorrhoids. If normal treatment fails to lessen an outbreak of hemorrhoid inflammation, the following possible causes should be checked: abscess, knotted vein, anal irritation, anal melanoma, fissure or fistula.
Mild signs often disappear without treatment within 3 or 4 days. Most people with hemorrhoids don't identify it until some irritation has caused an internal hemorrhoid to bleed, which the patient identifies in the bowl or on their underwear. In general, internal hemorrhoids minor and are not a threat to overall health. The situation can be said to have worsened when defecation forces an internal hemorrhoid to protrude from the anus.
With adequate treatment internal hemorrhoids can persist internal. Untreated, or aggravated by external factors such as pregnancy, internal hemorrhoids can become prolapsed. This suggests an internal hemorrhoid that was protruding during defecation has ceased to naturally withdraw to the inside of the sphincter. It is now a prolapsed hemorrhoid.
The irritation of the hemorrhoid on the sphincter muscle often leads to the muscle to contract. When this occurs, a prolapsed hemorrhoid can be strangled by the spasmodic muscle cutting off the oxygen supply.
Under the widely used 4 Grade system for classifying hemorrhoids, the most severe type of hemorrhoid, the strangulated hemorrhoid where blood loss in necrotizing tissue, is a Grade 4. At the opposite end of the scale is a Grade 1 internal hemorrhoid. This hemorrhoid does not protrude during defecation and is internal at all times. Amongst are the prolapsed hemorrhoid - 1 that protrudes during defecation but withdraws automatically - and the Grade 3 hemorrhoid, which has to be reduced by manual squeezing before it is able to withdraw.
The potential causes of internal hemorrhoids are many; genetic predisposition, pregnancy, poor diet, chronic constipation, chronic diarrhea, alcohol abuse, excessive smoking leading to capillary reduction, hypertension (especially portal hypertension), morbid obesity, poor muscle tone, poor posture and caffeine have all been described as contributing factors.
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