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Upper Valley ENT & Allergy

256 N. 2nd E. Rexburg, ID 83440
(208) 656-9646 / (208) 656-9645 FAX

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Skin Cancer

Our team of specialists and staff believe that informed patients are better equipped to make decisions regarding their health and well being. For your personal use, we have created an extensive patient library covering an array of educational topics. Browse through these diagnoses and treatments to learn more about topics of interest to you. Or, for a more comprehensive search of our entire Web site, enter your term(s) in the search bar provided.

As always, you can contact our office to answer any questions or concerns.

Insight into detection, prevention, and treatment

  • What is skin cancer?
  • How is skin cancer diagnosed?
  • Am I at risk for skin cancer?
  • and more...

 

The skin is the largest organ in our body. It provides protection against heat, cold, light, and infection. The skin is made up of two major layers (epidermis and dermis) as well as various types of cells. The top (or outer) layer of the skin-the epidermis-is composed of three types of cells: flat, scaly cells on the surface called squamous cells; round cells called basal cells; and melanocytes, cells that provide skin its color and protect against skin damage. The inner layer of the skin-the dermis-is the layer that contains the nerves, blood vessels, and sweat glands.

What is skin cancer?

Skin cancer is a disease in which cancerous (malignant) cells are found in the outer layers of your skin. There are several types of cancer that originate in the skin. The most common types are basal cell carcinoma (70 percent of all skin cancers) and squamous cell carcinoma (20 percent). These types are classified as nonmelanoma skin cancer. Melanoma (5 percent of all skin cancers) is the third type of skin cancer. It is less common than basal cell or squamous cell skin cancer, but potentially much more serious. Other types of skin cancer are rare.

Basal cell carcinoma is the most common type of skin cancer. It typically appears as a small raised bump that has a pearly appearance. It is most commonly seen on areas of the skin that have received excessive sun exposure. These cancers may spread to the skin around the cancer but rarely spread to other parts of the body.

Squamous cell carcinoma is also seen on the areas of the body that have been exposed to excessive sun (nose, lower lip, hands, and forehead). Often this cancer appears as a firm red bump or ulceration of the skin that does not heal. Squamous cell carcinomas can spread to lymph nodes in the area.

Melanoma is a skin cancer (malignancy) that arises from the melanocytes in the skin. Melanocytes are the cells that give color to our skin. These cancers typically arise as pigmented (colored) lesions in the skin with an irregular shape, irregular border, and multiple colors. It is the most harmful of all the skin cancers, because it can spread to other sites in the body. Fortunately, most melanomas have a very high cure rate when identified and treated early.

What causes skin cancer?

Most skin cancers occur on sun-exposed areas of our skin, and there is a lot of scientific evidence to support UV radiation as a causative factor in most types of skin cancer. Family history is also important, particularly in melanoma. The lighter your skin type, the more susceptible you are to UV damage and to skin cancer.

How is skin cancer diagnosed?

The vast majority of skin cancers can be cured if diagnosed and treated early. Aside from protecting your skin from sun damage, it is important to recognize the early signs of skin cancer.

  • Skin sores that do not heal,
  • Bumps or nodules in the skin that are enlarging, and
  • Changes in existing moles (size, texture, color).

If you notice any of the factors listed above, see your doctor right away. If you have a spot or lump on your skin, your doctor may remove the growth and examine the tissue under the microscope. This is called a biopsy. A biopsy can usually be done in the doctor's office and usually involves numbing the skin with a local anesthetic. Examination of the biopsy under the microscope will tell the doctor if the skin lesion is a cancer (malignancy).

How is skin cancer treated?

There are varieties of treatments available, including surgery, radiation therapy, and chemotherapy, to treat skin cancer. Treatment for skin cancer depends on the type and size of cancer, your age, and your overall health.

Surgery is the most common form of treatment. It generally consists of an office or outpatient procedure to remove the lesion and check edges to make sure all the cancer was removed. In many cases, the site is then repaired with simple stitches. In larger skin cancers, your doctor may take some skin from another body site to cover the wound and promote healing. This is termed skin grafting. In more advanced cases of skin cancer, radiation therapy or chemotherapy (drugs that kill cancer cells) may be used with surgery to improve cure rates.

Am I at risk for skin cancer?

People with any of the factors listed below have a higher risk of developing skin cancer and should be particularly careful about sun exposure.

  • Long-term sun exposure
  • Fair skin (typically blonde or red hair with freckles)
  • Place of residence (increased risk in southern climates)
  • Presence of moles, particularly if there are irregular edges, uneven coloring, or an increase in the size of the mole
  • Family history of skin cancer, particularly melanoma
  • Use of indoor tanning devices
  • Severe sunburns as a child
  • Nonhealing ulcers or nodules in the skin.

How can I lower my risk of skin cancer?

The single most important thing you can do to lower your risk of skin cancer is to avoid direct sun exposure. Sunlight produces ultraviolet (UV) radiation that can directly damage the cells (DNA) of our skin. People who work outdoors are at the highest risk of developing a skin cancer. The sun's rays are the most powerful between 10 am and 2 pm, so you must be particularly careful during those hours. If you must be out during the day, wear clothing that covers as much of your skin as possible, including a wide-brimmed hat to block the sun from your face, scalp, neck, and ears.

The use of a sunscreen can provide protection against UV radiation. When selecting a sunscreen, choose one with a Sun Protection Factor (SPF) of 15 or more. For people who live in the Southern U.S., a SPF of 30 or greater should be used during summer and when prolonged exposure is anticipated. Sunscreen should be applied before exposure and when the skin is dry. If you will be sweating or swimming, most sunscreens will need to be reapplied. Sunscreen products do not completely block the damaging rays, but they do allow you to be in the sun longer without getting sunburn.

It is also critical to recognize early signs of skin trouble. The best time to do self-examination is after a shower in front of a full-length mirror. Note any moles, birthmarks, and blemishes. Be on the alert for sores that do not heal or new nodules on the skin. Any mole that changes in size, color, or texture should be carefully examined. If you notice anything new or unusual, see your physician right away. If you have a strong family history of skin cancer, particularly melanoma, an annual examination by a physician skilled at diagnosing skin cancer is recommended. Catching skin cancer early can save your life.

Ultraviolet index: What you need to know

The new Ultraviolet (UV) index provides important information to help you plan your outdoor activities and avoid overexposure to the damaging rays of the sun. Developed by the National Weather Service and the Environmental Protection Agency, the UV index is issued daily as a national service.

The UV index gives the next day's amount of exposure to UV rays. The index predicts UV levels on a 0 to 10+ scale (see chart).

Always take precautions against overexposure, and take special care when the UV index predicts exposure levels of moderate to above (5 to 10+).

Index number Exposure level

0 - 2 minimal
3 - 4 low
5 - 6 moderate
7 - 9 high
10+ very high

Learn More

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Patient Education

Patient Education
  • Ears
    • Autoimmune Inner Ear Disease
    • Better Ear Health
    • Buying a Hearing Aid
    • Child's Hearing Loss
    • Child Screening
    • Cholesteatoma
    • Chronic Otitis Media
    • Cochlear Implants
    • Cochlear-Meningitis Vaccination
    • Day Care and Ear, Nose, and Throat Problems
    • Ear Infection and Vaccines
    • Ear Plastic Surgery
    • Ear Tubes
    • Earaches
    • Ears and Altitude
    • Earwax
    • How the Ear Works
    • Hyperacusis
    • Infant Hearing Loss
    • Know the Power of Sound
    • Noise-Induced Hearing Loss In Children
    • Noise and Hearing Protection
    • Perforated Eardrum
    • Pediatric Obesity
    • Quick Glossary for Good Ear Health
    • Swimmer's Ear
    • Tinnitus
    • Travel Tips for the Hearing Impaired
    • What You Should Know About Otosclerosis
    • When Your Child Has Tinnitus
    • Why Do Children Have Earaches?
    • Your Genes and Hearing Loss
  • Mouth and Throat
    • About Your Voice
    • Can the Medications I Take Harm My Voice
    • Common Problems That Can Affect Your Voice
    • Day Care and Ear, Nose, and Throat
    • Diet and Exercise Tips
    • Gastroesphageal Reflux (GERD)
    • GERD and LPR
    • Hoarseness
    • How Allergies Affect your Child's Ears, Nose, and Throat
    • How the Voice Works
    • Keeping Your Voice Healthy
    • Laryngeal (Voice Box) Cancer
    • Laryngopharyngeal Reflux and Children
    • Nodules, Polyps, and Cysts
    • Pediatric GERD
    • Pediatric Obesity and Ear, Nose, and Throat Disorders
    • Secondhand Smoke
    • Sore Throats
    • Special Care for Occupational and Professional Voice Users
    • Swallowing Disorders
    • Tips for Healthy Voices
    • Tonsillectomy Procedures
    • Tonsillitis
    • Tonsils and Adenoids
    • Tonsils and Adenoids PostOp
    • Vocal Cord Paralysis
  • Nose and Sinus
    • Allergic Rhinitis (Hay Fever)
    • Allergic Rhinitis, Sinusitis, and Rhinosinusitis
    • Allergies and Hay Fever
    • Antibiotics and Sinusitis
    • Antihistamines, Decongestants, and "Cold" Remedies
    • Are We Through With Chew Yet?
    • Continuous Positive Airway Pressure (CPAP)
    • Cleft Lip and Cleft Palate
    • Could My Child Have Sleep Apnea?
    • Day Care and Ear, Nose, and Throat Problems
    • Deviated Septum
    • Do I Have Sinusitis?
    • Facial Sports Injuries
    • Fungal Sinusitis
    • How Allergies Affect your Child's Ears, Nose, and Throat
    • Injection Snoreplasty
    • Laser Assisted Uvula Palatoplasty (LAUP)
    • Mouth Sores
    • Nasal Fractures
    • Nose Surgery
    • Nosebleeds
    • Pediatric Obesity
    • Post-Nasal Drip
    • Salivary Glands
    • Secondhand Smoke
    • Sinus Headaches
    • Sinus Pain
    • Sinus Surgery
    • Sinusitis
    • Sinusitis: Special Considerations for Aging Patients
    • Smell and Taste
    • Smokeless Tobacco
    • Snoring
    • Stuffy Noses
    • Tips for Sinus Sufferers
    • Tongue-tie (Ankyloglossia)
    • TMJ Pain
    • Tonsils and Adenoids
    • Your Nose: The Guardian Of Your Lungs
    • 20 Questions about Your Sinuses
  • Head and Neck
    • Bell's Palsy
    • Children and Facial Paralysis
    • Children and Facial Trauma
    • Cleft Lip and Cleft Palate
    • Dizziness and Motion Sickness
    • Facial Plastic Surgery
    • Facial Sports Injuries
    • Fall Prevention
    • Head and Neck Cancer
    • Pediatric Head and Neck Tumors
    • Sinus Pain
    • Sinusitis
    • Sinus Headaches
    • Thyroid Disorders and Surgery
    • TMJ
  • Cancer
    • Are We Through With Chew Yet?
    • Common Problems That Can Affect Your Voice
    • Head and Neck Cancer
    • Laryngeal (Voice Box) Cancer
    • Pediatric Head and Neck Tumors
    • Pediatric Thyroid Cancer
    • Quiting Smokeless Tobacco
    • Rhabdomyosarcoma
    • Secondhand Smoke
    • Skin Cancer
    • Smokeless Tobacco
  • Pediatric
    • Allergic Rhinitis (Hay Fever)
    • Child's Hearing Loss
    • Children and Facial Paralysis
    • Child Screening
    • Children and Facial Trauma
    • Cochlear-Meningitis Vaccination
    • Could My Child Have Sleep Apnea?
    • Day Care and Ear, Nose, and Throat
    • Facial Sports Injuries
    • How Allergies Affect your Child's Ears, Nose, and Throat
    • Laryngopharyngeal Reflux and Children
    • Noise-Induced Hearing Loss In Children
    • Pediatric Food Allergies
    • Pediatric GERD
    • Pediatric Head and Neck Tumors
    • Pediatric Obesity and Ear, Nose, and Throat Disorders
    • Pediatric Sinusitis
    • Pediatric Thyroid Cancer
    • Secondhand Smoke and Children
    • When Your Child Has Tinnitus
    • Why Do Children Have Earaches?
  • Información de Salud en Español

Our Location

256 N. 2nd E.
Rexburg, ID 83440
(208) 656-9646
(208) 656-9645 FAX


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Rexburg, Upper Valley ENT & Allergy, Rexburg ID, 83440 (208) 656-9646 / (208) 656-9645 FAX

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