A melanoma
can show up anywhere on your body, but they usually develop in places that have
been exposed to the sun. That is especially common on the face, back,
shoulders, legs, and arms of a person because those are the places that get the
most direct exposure to the sun. It is also possible that melanoma shows up in
a place that does not receive much or any sun, including the soles of the feet,
palms of the hands, and even in the beds of the fingernails. These types of
melanomas are hidden but are much more common in people who have dark skin.
While melanoma starts in the skin and can spread to other parts skin, it can
also spread to other parts of the body. Mucosal
melanoma is one example of an illness that spreads in this fashion.
Explaining mucosal melanoma
No matter
where it occurs on the body, melanoma comes from pigment cells that are called
melanocytes. The cells produce melanin, which give the skin color. The color of
the skin protects the body from damaging ultraviolet rays that come from the
sun. The cells can transform in cancerous cells. When this transformation
happens, it can end up causing cancerous melanoma. Even though the normal
melanocytes exist in the skin, they also exist in other parts of the body, like
in the mucosal surfaces. The mucosal surfaces form the lining of the nasal
passage, the oral cavity, and other passages in the body that need natural
lubrication. Just as the other melanocytes in the skin can become cancerous, it
is also possible for mucosal melanoma
to develop.
The discovery of mucosal melanoma
This illness
was first found in the 1850s, but it is still not very well known or understood
because it is so rare. Of all the cases of melanoma in the United States, for
example, less than five percent were mucosal
melanoma. When this rare condition is finally discovered, it usually
appears in the head and neck region, especially in the esophagus. Even though
both types of melanoma originate from melanocytes, they differ in how they
affect the body. For example, most cases of melanoma come directly from
exposure to the sun, especially when the patient is very young. In the other
type of melanoma, doctors still do not understand what exposures are the major
risk factors. The relationship to family history and heredity is also not
entirely clear.
Diagnosing mucosal melanoma
Most cases of melanoma
cannot be removed surgically. That is also the case in mucosal melanoma. Another difficulty is that this type of melanoma
is quite difficult to diagnose because it is so rare. Therefore, doctors
generally do not suspect that a patient will have this type of illness.
Unfortunately, many of the cases are already too far advanced by the time they
are identified. Even in cases where there is a possibility to do a surgery,
melanoma often has a tendency to come back. There are many charitable
organizations that are dedicating a lot of research to solve this problem, but
there are still many challenges remaining.
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