Sunday, February 5, 2012

Varicose Veins Treatments

Varicose Veins Treatments

Data about varicose veins treatment reveal that varicose veins are abnormal or defective veins which are not functioning like a healthy vein should. These veins appear as bulges above the skin surface usually blue or green in colour. They can range in thickness from two to over ten millimetres.

Varicose veins can't be cured, but they can be successfully treated. Varicose veins treatment concentrates on relieving pain and managing complications. People who have obvious spider veins want to make the veins less noticeable, often through a cosmetic procedure. Wearing lightweight compression hosiery (stockings) can stop the pain from small, mild varicose veins altogether. Heavier elastic support stockings, knee-length or thigh-length, can also be worn if you have advanced varicose veins.
Standard sclerotherapy has been performed since the 1930’s for surface veins it has been used since 1989 for the treatment of deeper veins or moderate varicose veins with a procedure called Ultrasound Guided Sclerotherapy (UGS). UGS is a method of treating deeper veins without surgery. UGS is suitable for those people who have never had their varicose veins treated and those people who have had a recurrence of their varicose veins after surgery.

Varicose Veins Treatments
Your best resource for the skin related issues? Skin Encyclopedia - SKINIPEDIA!!

Wednesday, March 16, 2011

Bullous Pemphigoid

Skin Encyclopedia, Skinipedia, features two interesting articles on Bullous pemphigoid. BP as bullous pemphigoid is also called is an acute or chronic autoimmune skin disease, involving the formation of blisters, more appropriately known as bullae, at the space between the skin layers epidermis and dermis.

Pathophysiology

The bullae are formed by an immune reaction, initiated by the formation of IgG autoantibodies targeting the type XVII collagen component of hemidesmosomes. It can also rarely involve the mucous membranes. Following antibody targeting, a cascade of immunomodulators results in a variable surge of neutrophils, lymphocytes and eosinophils coming to the affected area. Unclear events subsequently result in a separation along the dermal-epidermal junction and eventually stretch bullae.
Bullous pemphigoid in nutshell article is here.

Skin Cancer Early Discovery

Skin cancer first appears as a growth. The growth is an abnormal accumulation of cells. It sometimes takes the form of a sore or pimple that does not heal. The sore may bleed or ooze fluid, or crust or scab over, and then ooze or bleed again. Cancer can occur on almost any area of the skin, but is most common on parts of the skin most often exposed to the sun. Skin cancer usually is painless.

Symptoms of skin cancer

How can you tell if a mole is cancerous?

Where does skin cancer usually develop?
Symptoms Of Skin Cancer

The most common symptoms of skin cancer are:

1. A new growth on the skin.

2. A change in an existing skin growth.

3. A sore that does not heal.

Not all changes in the skin are symptoms of skin cancer. Most moles and other growths are harmless and do not need to be removed. Moles that are unattractive, or in areas where they are constantly irritated by clothing, can be removed by a doctor.

The average person has dozens of moles and other skin growths that are benign or noncancerous. They include:

    * Birthmarks, or "congenital nevi," are moles that are present at birth.
    * Acquired moles begin to develop early in adolescence, growing and darkening throughout the teenage years. Many adults have 40-60 acquired moles.
    * Liver spots, or "solar lentigines," are flat tan-to-brown spots that occur mainly on the face, neck, hands, and forearms. They have nothing to do with the liver. Rather, they develop as a result of aging and sun exposure.
    * Seborrheic keratoses are raised, wart-like, tan-to-brown growths that occur as people age.
    * Acquired cherry angiomas are smooth, dome-shaped red spots that usually develop on the chest and back. Most are bright red, and appear as people age.
    * Skin tags are small, soft flaps of skin that grow on the neck, in the armpits, and groin area are caused by repeated friction.
    * Actinic keratoses are slightly scaly, reddish patches that form on people with sun-damaged skin. They are precancerous growths that may changes into a squamous cell carcinoma. That's why doctors recommend removal of actinic keratoses.

How Can You Tell If A Mole Is Cancerous?

Although most skin growths are not cancer, it's important to check with the doctor about new growths or changes in old growths. When growths become cancerous, they may change in size or color, or become sores that do not heal.

Doing a regular skin self-examination is a good way to monitor the skin for early symptoms of skin cancer. Skin self examination is especially important for people who have had skin cancer. It can detect new cancers, and recurrences of past cancer, at an early and most curable stage.

Tuesday, March 1, 2011

Pigment Cells

The pigment-producing cells of the skin are called melanocytes and their activity is the major determinant of the color of the hair and skin. Melanocytes originate in the neural crest and migrate to the basal layer of the epidermis and the hair matrices during embryogenesis. These neural crest-derived cells also populate the inner ear, uveal tract and leptomeninges. The failure of melanocytes to migrate to these locations explains the association of congenital white spotting of the skin (piebaldism) with heterochromia of the irises as well as congenital deafness in Waardenburg syndrome.

Within the epidermis, melanocytes reside in the basal layer in a ratio of about 10 keratinocytes to 1 melanocyte. However, each melanocyte via its dendrites supplies melanin to about 30 nearby keratinocytes. 


Skin Cancer Moles

Skin cancer moles explained. It is well known that excessive sun exposure can promote the development of many skin cancers. The 3 main types of skin cancer are melanoma, basal cell carcinoma (BCC), and squamous cell carcinoma (SCC). Melanoma is the most deadly skin cancer because it spreads (metastasizes) more readily than the other forms of skin cancer. Basal cell carcinoma is the most common form of skin cancer, and it typically does not spread. Squamous cell carcinoma is the second most common form of skin cancer, and while it can spread, it does not do so as commonly as melanoma. The risk of getting basal cell carcinoma or squamous cell carcinoma is determined by a person's lifetime exposure to sun and the person's skin color, with pale skin being more prone to skin cancer.
Your awareness of the signs of skin cancer might allow you to find an early lesion on yourself or a loved one, before it is a significant health problem. Pre-cancerous skin changes include red, scaly lesions (especially on the face, ears, and backs of the hands) called actinic keratoses. When on the lip (usually the lower lip), it is called actinic cheilitis. Actinic keratoses are considered to be premalignant lesions as 1 in 100 cases per year will develop into squamous cell carcinoma. Moles that have started to itch or bleed or change in color or shape are also warning signs of possible melanoma.

Moles can be found in sun-exposed or clothing-covered areas. Although it is normal to acquire new moles from childhood through young adulthood, it is unusual to acquire a mole in the adult years. Most moles are normal; atypical moles are seen in any area of the skin, including non-sun-exposed areas. These moles are larger and more irregular in color and shape than normal moles, and they serve as an indicator that the person with these types of moles may be more prone to developing melanoma.

What do types of skin cancer and pre-cancer look like? Click any of the pictures below to learn more about the different types of pre-cancers, skin cancers, and moles. Any new mole, changing mole, or skin lesion of concern should be checked by a dermatologist or your primary physician.

Flat Yellow Growths on the Eyelid

Xanthelasma (xanthelasma palpebrarum) is a skin condition that develops flat yellow growths on the eyelids.

Xanthelasma is often seen in people with high cholesterol or other fat (lipid) levels in the blood, and the lesions contain deposits that are high in fat (lipid-rich).

Xanthelasma can occur in people of any race and of either sex. However, females seem to be more frequently affected than males. In addition, it is unusual for a child or teenager to develop xanthelasma; most individuals develop the condition in middle age.

Approximately one half of patients with xanthelasma have high amounts of fats (lipids) in their blood, such as high cholesterol or high triglycerides.


Thursday, February 24, 2011

Preventing Skin Cancer in Children and Teens

There's good news and there's bad news and then some more good news in the fight against skin cancer.

The good news: In a recent study by the National Cancer Institute's Division of Cancer Epidemiology & Genetics, doctors noticed that young men between the ages of 15 and 39 are not experiencing any significant rises in the number of new melanoma diagnoses.

The bad news? There is no such good news regarding young women. In fact, the cases of melanoma diagnosis in women between the ages of 15 and 39 have risen by 50% since 1980. What's particularly disturbing about this statistic is the fact that children are affected by these numbers. Researchers at the National Cancer Institute and Johns Hopkins University School of Medicine have found that the number of melanoma in cases in children and teenagers between 10 and 15 have increased 3% each year since 1973.



 The good news: Overall, melanoma is not common in children and teens and is treatable if caught early. Almost 94% of children diagnosed with melanoma survive. Plus, melanoma is preventable if we pay attention to our children's sun habits and teach them to protect their skin from harmful UV rays.