Varicosities of the hemorrhoidal venous plexus
External hemorrhoids
Located below the dentate line; visceral innervation (painful)
Covered by squamous epithelium
Internal hemorrhoids
Loca...
Symptoms (1)
Bleeding (~60%)
Classically, bright red blood per rectum, ...
Fiber supplements
Stool softeners
Anal hygiene
Hemorrhoids are a recurrent disease, even after surgical excision. Preventive measures should be continued indefinitely...
Encourage physical fitness, weight management, and dietary compliance.
Avoid prolonged sitting and straining on the toilet.
Brown SR, Watson A. Comments to “rubber band ligation versus excisional haemorrhoidectomy for haemorrhoids.” Tech Coloproctol. 2016;20(9):659–661.
Hall JF. Modern management of...
K64.9 Unspecified hemorrhoids
K64.0 First degree hemorrhoids
K64.1 Second degree hemorrhoids
K64.2 Third degree hemorrhoids
K64.4 Residual hemorrhoidal skin tags
K64.8 Other hemorrhoids
K64.3 Fou...
Hemorrhoids are very common. Internal hemorrhoids are typically painless. External hemorrhoids are typically painful.
All patients should be encouraged to consume 25 to 35 g of fiber pe...
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<bold>(1) Anatomy of the anal canal showing the location of internal and external hemorrhoids.</bold>
<bold><italic>Figure 15-18</bold> Internal and external hemorrhoids.</bold> Hemorrhoids bleed regularly, leaving bright red blood on the stool surface.
<bold><italic>Figure 15-18</bold> Internal and external hemorrhoids.</bold> Hemorrhoids bleed regularly, leaving b...
Adenocarcinoma of the colon. The opened colon contains an elevated, centrally ulcerated, infiltrating mass.
Adenocarcinoma of the colon with intestinal obstruction. The lumen of the colon at the site of the cancer is narrow. The colon above the obstruction is dilated.
Adenocarcinoma of the colon with intestinal obstruction. The lumen of the colon at the site of the cancer is narrow. The colon above the o...
<bold>Figure 56-4</bold> External hemorrhoid in a 2-year-old male with recurrent straining because of chronic constipation.
Tubular adenoma of the colon. A pedunculated tubular adenoma.
Tubular adenoma of the colon. A low-power photomicrograph of a tubular adenoma of the colon shows closely packed epithelial tubules. The fibrous stalk is vascular and covered by normal colonic epithelium.
Tubular adenoma of the colon. A low-power photomicrograph of a tubular adenoma of the colon shows closely packed epithelial tubules. The fi...