27 Nisan 2012 Cuma

Basalcell skincancer facts

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Basal Cell Carcinoma facts:

  • The most common type of skin cancer
    Basal cell carcinoma (BCC) is the most common form of skin cancer; an estimated 2.8 million BCCs are diagnosed annually in the US.
  • BCCs are rarely fatal or metastasis, but can be highly disfiguring if allowed to grow.
  • Can cause massive disfigurement, but rarely metastasis and fatal.
  • More common in Caucasian
  • Only two-thirds of basal cell carcinomas skin cancer occur on sun-exposed areas of the body, one-third occur on areas of the body that are not exposed to sunlight.
  • It is often difficult to distinguish basal cell cancer from acne scar, actinic elastosis, and recent cryodestruction inflammation, skin biopsy often needed.
  • Unlike Melanoma, basal cell carcinoma caused by DNA damage.
  • It is much more common in fair-skinned individuals with a family history of basal cell cancer and increases in incidence closer to the equator or at higher altitude.

Main Article - Basal Cell Carcinoma Skin Cancer Types

Skin Cancer Warning Sign and Self Examination

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Before skin cancer become cancerous, there is a state where it is in "in situ" stage. So, the best thing we can do is to prevent skin cancer before it is become cancerous or at least when skin cancer still in early stage. Since, the skin cancer warning sign is pretty obvious if we want to observe it carefully.

Self examination is one of the good starts to see mole or ward that seems suspicious and can lead to early detection of skin cancer. Since, skin cancer early detected and treated in its early stages is 95% curable disease. Many dermatologists encourage people to do regular self-skin examination because research shows that this exam can lead to early detection of skin cancer, which can save your life. When skin cancer is detected early, most skin cancers can be successfully treated. Even melanoma skin cancer one of the most deadly form skin cancers have high curable percentage if detected and treated early.


The best time to do self examination is after a shower or bath. Make sure when you checking skin in a room with plenty of light, use a full-length mirror and a hand-held mirror. It's best to begin by learning where your birthmarks, moles, and other marks.

This self examination for skin cancer means checking your own skin every three to six months. It's useful to know any abnormal growth or unusual changes in the size, color, shape or texture of your skin which might be sign of skin cancer. It is important for you or your partner to look carefully whole body as skin cancer can occur anywhere.

Check for anything change:
  • New mole (whether it's looks different from other moles).
  • New red or darker color flaky patch that have diameter larger than 3 millimeters.
  • New flesh-colored firm bump.
  • The change of the size, shape, color, or feel of a mole.
  • Sore that does not heal normally.
Body area you should check:
  • Make sure to check yourself from head to toe. Don't forget to check your back, scalp, genital area, and between your buttocks.
  • Look at your face, neck, ears, and scalp. You may want to use a comb or a blow dryer to move your hair so that you can see better, or ask help your family or friend to check it. Well, if you do it yourself, it may be hard to check your scalp by yourself.
  • Look at the front and back of your body in the mirror. Then, raise your arms and look at your left and right sides.
  • Bend your elbows. Look carefully at your fingernails, palms, forearms (including the undersides), and upper arms.
  • Examine the back, front, and sides of your legs. Also look around your genital area and between your buttocks.
  • Sit and closely examine your feet, including your toenails, your soles, and the spaces between your toes.
The self-skin exam takes no more than 8 to 10 minutes, but that 10 minutes could save your life. The best time to do self-skin exam is at the time of taking bath or after a shower. If you are concerned about developing any form of skin cancer, consult your primary health care provider or dermatologist as soon as possible.

Main Article - Skin Cancer Melanoma Diagnosis

Serious Condition Melanoma

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Melanoma Skin Cancer

The most serious and dangerous skin cance


Among all skin cancer type’s melanoma is less common type, but melanoma is the main cause of skin cancer related deaths. Malignant melanoma is a seriously dangerous type of skin cancer; it is due to uncontrolled growth of pigment cells, called melanocytes. Despite many years of intensive laboratory and clinical research, the sole effective cure for melanoma is surgical resection of the primary tumor before it achieves a *Breslow thickness greater than 1 mm.


When melanoma is confined to the outer layer of skin, it is curable in 90% of cases. But if melanoma is unchecked it can continue to spread to lymph and blood vessels, which increases the likelihood of its affecting distant sites in the body.

Individuals most at risk for melanoma tend to have a fair or freckled complexion, blond hair with blue, green or gray eyes, skin that burns easily, a history of sunburn, especially as a child or teenager, and a family history of melanoma.

Malignant melanoma accounts for 75% of all deaths associated with skin cancer. According to WHO, around 160,000 new cases of melanoma are diagnosed nationally every year, and Melanoma more frequent in males and Caucasians. It's because of Caucasian populations living in sunny climates than in other groups, and also WHO report about 48,000 melanoma related deaths occur worldwide per year.

* Breslow's depth is used as a prognostic factor in melanoma of the skin. It is a description of how deeply tumor cells have invaded.

Squamous Cell

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Squamous Cell

The Skin Cell That Attacked by Squamous Cell Carcinoma


Squamous cell is the part of the skin that become the place one of skin cancer types and the second most common form of non-melanoma cancer that is squamous cell carcinoma (SCC). Squamous cell epithelium consists of very thin and flattened hexagonal cells which closely fitted like tiles of a floor. The nucleus is oval and lies in the center of the cell. This epithelium is found on the superficial layer of the skin, in the lining of the body cavity, blood vessels, walls of Bowman’s capsule. Cancer that occurs in this cell part aside of squamous cell carcinoma are basal cell carcinoma and other adnexal tumors.


Squamous cell carcinoma will not causing more problems if it diagnosed and treated early. However, if this skin cancer left untreated, squamous cell carcinoma can grow large or spread to other parts of your body, causing serious complications.

The cause of squamous cell carcinoma is sun exposure; the incidence of this skin cancer is rising every year. Most squamous cell carcinomas result from prolonged exposure to ultraviolet (UV) radiation, either from sunlight or from tanning beds or lamps. The best things to prevent squamous cell carcinoma by avoiding UV light as much as possible. Sunscreen is an important part of a sun-safety program, but by itself doesn't completely prevent squamous cell carcinoma or other types of skin cancer.

Just in this year, over 1 million people diagnosed with squamous cell carcinoma in United States. The risk of developing squamous cell carcinoma increases when a person also has one or more of these risk factors:
  • Fair skin.
  • Blonde or red hair; blue or green eyes.
  • History of indoor tanning.
  • Diagnosed with actinic keratosis (AKs).
  • Family history of skin cancer.
  • Weakened immune system (immune-suppression).
  • Received radiation therapy.
  • History of exposure to coal tar products or arsenic.

The risk of developing squamous cell carcinoma also increases with age because each exposure to harmful UV rays causes more damage to the skin. As this damage accumulates, the risk of developing skin cancer grows.

You may interest in our article about Melanoma

Malignant Melanoma

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Malignant Melanoma

the most dangerous Skin Cancer


Melanoma is the less and the most serious of skin cancers. Melanoma caused death of 75% of all skin cancer cases and rising, yet, every year people who diagnosed with melanoma increased each year, in just United States there are 60,000. Melanoma tumor usually find in the melanocytes, which produces pigment, or melanin.

Melanoma skin cancer is more common in Caucasian populations living in sunny climates than in other groups, or in those who use tanning salons. According to a WHO report about 48,000 melanoma related deaths occur worldwide per year. Melanoma can also found in the anal/rectal region, in the linings of the mouth and vagina, and in the eye. Some are even found in the gut and central nervous system (brain and spinal cord).


Any of these areas can develop melanoma, but much less commonly than the skin. It is quite common, however, for a melanoma starting in the skin to spread ("metastasize") to the aforientioned areas. The area where a cancer first starts is called the "primary site", as distinguished from later areas of spread. The "primary site" is usually apparent for most cancers, but not uncommonly it remains "occult" in melanoma-- the first sign of disease being distant metastasis. Thus, it is common to first detect metastatic melanoma in the lung, bone or brain, although its occult primary site was probably the skin.

In adulthood, Skin cells divide more slowly to replace cells that have died either from old age or injury. New skin cells arise at the deepest level of the skin, and gradually push their way upwards toward the surface as they mature. The main types of cells found within the skin are basal cells, which form the bottom layer, squamous cells, which push toward the surface to form the skin we see, and melanocytes, which produce melanin pigment that colors the skin. If specific types of gene damage occur in a cell, it can start dividing out of control. When cells divide quickly, they tend to pile up to form a lump, called a "tumor".

A tumor merely means an abnormal swelling; it can be caused by infection, inflammation, or just about anything and is usually not cancer. A "benign" tumor only grows in its local area (albeit quite large), it cannot spread distantly and is not cancer. In contrast, a "malignant" tumor has the ability to spread to anywhere in the body, and this is cancer. This process of spread is called "metastasis", and is what makes cancer so dangerous. Ultimately, cancer starts in a single cell and is a disease of its genes. Any type of skin cell can give rise to skin cancer, when their reproduction goes out of control, and they divide in a disorganized way. When basal or squamous cells become cancerous, they are called carcinomas, while when the melanocytes become cancerous, this is called melanoma, which has such a different character that it is a different topic from other skin cancers.