Imaging of External and Internal Hemorrhoids

Hemorrhoids are swollen, inflamed veins in the anus and rectum, which can cause pain, itching, and anal bleeding. Often, their symptoms are similar to other rectal diseases, which means that patients who have pain or bleeding with bowel movements may have doubts about what their real problem is. Would it be hemorrhoids? Anal fissure? Pilonidal cyst?

Therefore, knowing what hemorrhoid usually looks like is important to get an idea of the cause of its symptoms. This is a page with pictures of external hemorrhoids and internal hemorrhoids. This is a supplement to the text HEMORRHOIDS – Symptoms and Treatment, which deals with the causes, symptoms, diagnosis, and venapro treatment of hemorrhoids.

Hemorrhoids are classified as:

  • Internal hemorrhoids: when they occur in the rectum.
  • External hemorrhoids: when they occur in the anus or at the end of the anal canal.
  • External hemorrhoids are more easily identified and can be detected by a simple examination of the anal region. Internal hemorrhoids, on the other hand, are accessible only when they are large enough to come out through the anus.

Internal hemorrhoids are classified into four grades:

  • Grade I hemorrhoids: do not prolapse through the anus.
  • Grade II hemorrhoids: they prolapse through the anus during the evacuation, but do not return to their original position spontaneously.
  • Grade III hemorrhoids: they prolapse through the anus and their reduction is only achieved manually.
  • Grade IV hemorrhoids: they are prolapsed through the anus and their reduction is not possible.
  • Grade I internal hemorrhoids are not visible and grade II hemorrhoids usually go unnoticed by patients since no one can see the anus when they defecate. Since the rectum and the anal canal have little enervation, this type of hemorrhoid does not usually cause pain.

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