The Difference Between Colon Cancer and Hemorrhoids
Hemorrhoids and colon
cancer are two gastrointestinal complications that are on opposite ends of the
spectrum. One is a common curable inflammation; the other is notorious for
high mortality rates in the United States. Despite the differences in the nature
of the diseases people often mistake one for the other which can prove
detrimental especially if colon cancer symptoms are treated like hemorrhoid
symptoms.
So how is colon cancer different from hemorrhoids? Colon cancer is a fatal cancer that mutates from abnormal polyp growth while a hemorrhoid is an inconvenient yet temporary inflammation around the rectum area.
Sometimes their symptoms
may overlap but its important to understand that hemorrhoid symptoms
eventually recede and get better while colon cancer only further mutates and
spreads throughout the body.
What Are Hemorrhoids?
Hemorrhoids are swollen
blood veins growing along the lining of the lower part of the rectum and anus.
They can either grow internally above the rectums exit point or grow
externally where it is visible during an examination.
Although common the nature of this condition makes patients averse to discussing it openly. Roughly 1 in 20 people are diagnosed with hemorrhoids in the United States. Studies show that about half of adults 50 years of age and older are likely to be diagnosed with hemorrhoids. Pregnant women are also susceptible to hemorrhoids due to changes in the uterus (source).
Cause
There are no definite
reasons why hemorrhoids exist. However doctors believe that straining during a
bowel movement prolonged sitting (especially on the toilet) and constipation
can all aggravate symptoms.
Extra pressure on the
anal canal can trigger painful inflammations. The muscles along the walls of
the rectum can enlarge and swell. When pressure is applied the blood vessels
inside these muscles blow up causing hemorrhoids to swell with blood.
Here are some factors
that could trigger hemorrhoid development:
A low-fiber diet can cause people to strain during a bowel movement
Any surgery done on the rectum area can also trigger hemorrhoid growth
Obesity and a sedentary lifestyle
Physical activities such as heavy lifting can also cause inflammation
Types of Hemorrhoids
1. Internal Hemorrhoids:
This type of hemorrhoid
grows inside the rectum and typically grows discreetly unless it gets
significantly large. Usually painless internal hemorrhoids only become
apparent because of uncomfortable bowel movement. This type of hemorrhoid may
block the stool from passing which causes blood in the stool.
Internal hemorrhoids can
protrude outside the anus. In this case they become visible and painful
because of the active nerves around the rectal area. Protruding internal
hemorrhoids typically recede on their own. If not they can always be nudged
back into place. This condition is what is known as a prolapsed hemorrhoid.
2. External Hemorrhoids:
External hemorrhoids are
growths that occur outside anus. These are not to be confused with a prolapsed
or protruding internal hemorrhoid. These are usually situated under the skin
and are attached in areas lower than internal hemorrhoids.
3. Thrombosed
Hemorrhoids: When aggravated
hemorrhoids can develop a blood clot causing them to become tender and painful.
This development is called a thrombosed hemorrhoid.
The growth turns into a
purple or blue color due to the absence of normal blood flow. Patients report
greater discomfort itching and sometimes even pain when sitting. Hemorrhoids
that no longer receive any blood flow are called strangulated hemorrhoids.
Why Are Older People Likelier to Get Hemorrhoids?
Weaker muscles and a
sedentary lifestyle are the two main reasons why older people become more
susceptible to hemorrhoids. We recommend even 20 minutes of low intensity
exercises such as walking as well as a high-fiber diet to promote good bowel
movement.
What Is Colon Cancer?
Colon cancer (sometimes referred to as colorectal cancer) develops from polyps or growths along the lining of the colon. It is the third most diagnosed cancer in the United States. According to the American Cancer Society about 1 in 24 women and 1 in 22 men have a lifetime risk of developing colon cancer (source).
Cause
Cells naturally divide
multiply and die. However cell behavior can deviate from normal leading to
an increase in their production and growth. This cellular change creates polyps
along the inside of the colon. These growths are what mutate further into colon
cancer.
Although the main cause
for colon cancer is still unknown to scientists there are risk factors that
can increase a persons chances of developing this type of cancer:
Colon cancer may not be hereditary but there are certain inherited genetic syndromes that can increase your risk for colon cancer. This includes the familial adenomatous polyposis (FAP) and hereditary non-polyposis colorectal cancer (HNPCC)
Age and ethnic background can also contribute to a higher risk of developing this cancer. Adults over the age of 50 and people with Jewish or African-American backgrounds are considered above-average risk individuals
People consuming diets high in red meat and fat are also at an increased risk. Certain chemicals in food can initiate cell mutation which promotes polyp growth along the colon. Excessive cigarette and alcohol consumption are considered equally risky
Colon Cancer VS Hemorrhoids: Signs and Symptoms
Hemorrhoids
Colon
Cancer
Itching and irritation around the anal area
Cramping or pain in the abdomen
Bright red blood on the stool
Dark tar-like stool
Discomfort during bowel movement
Change in bowel habits: diarrhea constipation that last
Pain when sitting or walking due to lumps near the anus
Lingering constipation; needing to have a bowel movement but not being relieved by having one
Evident lump/swelling around the anus
Rectal bleeding
Unexplained weight loss
In some cases anemia
Bleeding in Colon Cancer VS Hemorrhoids
Bleeding is a common
symptom of colon cancer and hemorrhoids. When people find blood in their stool
they often immediately assume its one or the other since this is a commonly
seen symptom.
While true there are
slight differences in the bleeding caused by colon cancer compared to what is
caused by hemorrhoids.
It is important to
understand that colon cancer and hemorrhoids occur on two different areas of
the gastrointestinal tract. Hemorrhoids both internal and external grow at
the lower part of the tract just a few inches away from the anus. Colon
cancer on the other hand is caused by polyps found in the ascending colon
(left colon) or descending colon (right polyp) in the upper part of the
tract.
Some anatomical
knowledge makes it easier to understand the difference between bleeding caused
by either abnormalities.
Hemorrhoid Bleeding
Hemorrhoid-induced bleeding is caused by the stool rubbing against the hemorrhoid as it passes through the rectum. In some cases the hemorrhoid itself bleeds and may make its way down the rectum.
However its more
common for stool to bump against obstructive growth causing it to rupture and
bleed. The bright red blood comes from how fresh the wound is. The bright red
blood patients report is the stool rubbing against an inflamed hemorrhoid.
Colon Cancer Bleeding
Contrary to popular
belief the presence of blood in the stool is not always a sign of colon
cancer. In fact colon cancer symptoms gradually develop over the course of 10
years and only ever begin to appear in its later stages.
Colon cancer itself doesnt cause internal bleeding. The blood in the stool reported by patients is the polyp bleeding after it gains significant mass. Instead of bright red blood diagnosed colon cancer patients often report dark tar-like stool.
Blood is rarely visible to the naked eye which is why its impossible to detect cancer just by looking at the stool alone.
Read more: Your Blood Can Tell If You Have Colon Cancer
Are Hemorrhoids a Sign of Cancer?
The symptoms for colon
cancer and hemorrhoids sometimes overlap leading patients to believe their
hemorrhoid symptoms are actually indicative of polyp growth in the colon.
Hemorrhoids and colon
cancer are two separate abnormalities. As explained hemorrhoids occur when
extra pressure is introduced in the rectum area whereas polyp growth occurs
only along the colon lining.
Can Hemorrhoids Lead to Colon Cancer?
100% of colon cancers
evolve from large polyps which are mutated cells that grow along the colon
tract. This means that there is zero chance for any hemorrhoid to lead to colon
cancer. Again hemorrhoids are swollen veins on the muscle of the rectum not
mutated cells along the colon.
Understand what is causing blood in your stool. Get screened today and reach a final diagnosis. Achieve your peace of mind.
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