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Topic: Skin cell

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In the News (Fri 19 Jul 19)

  Skin cancer - Wikipedia, the free encyclopedia
Skin cancer is a malignant growth on the skin, which can have many causes, including repeated severe sunburns or long-term exposure to the sun.
Skin cancer generally develops in the epidermis, the outermost layer of skin, so a tumor is usually clearly visible.
Skin cancer is an increasingly common condition, in part attributed to increased exposure to ultraviolet radiation.
en.wikipedia.org /wiki/Skin_cancer   (766 words)

 Skin Cancer | AHealthyMe.com
Non-melanoma skin cancer is a malignant growth of the external surface or epithelial layer of the skin.
Skin cancer is the growth of abnormal cells capable of invading and destroying other associated skin cells.
Squamous cell carcinoma is a malignant growth of the external surface of the skin.
www.ahealthyme.com /topic/topic47550;jsessionid=FEIQU4ZT0HE4ECTYAIRS4EQ   (1145 words)

 Sloan-Kettering - Squamous Cell Carcinoma
Squamous cell carcinomas arise from the upper levels of the epidermis, usually on places that have been exposed to the sun.
This type of skin cancer often arises from a precancerous lesion known as an actinic keratosis (sometimes called solar keratosis), a type of lesion that appears as a rough, flat pink spot.
Most suspected skin cancers are first noticed by the patient or by a family member and brought to the attention of a doctor.
www.mskcc.org /mskcc/html/5495.cfm   (413 words)

 Skin cancer - basal cell and squamous cell carcinoma
Skin cancer is the most common of all cancers and is on the increase, probably because of our increasing tendency to expose the skin to sunlight and ultraviolet lights used in tanning.
Basal cell carcinoma is a cancer that begins in the deep basal cell layer of the epidermis (the outer layer of the skin).
Basal cell carcinoma is not one of the most dangerous cancers but it must still be treated to avoid it spreading.
www.netdoctor.co.uk /diseases/facts/skincancernonmelanoma.htm   (687 words)

 Single isolated mouse skin cell can generate into variety of epidermal tissues
And in the future, she says, it may be possible to test if human skin cells can also be pushed to grow into other epithelial cells, such as eye cornea or tooth enamel, or even different types of tissues.
In the skin, cells suspected of having "stemness" because they divided infrequently were found by researchers to reside in a tiny bulge halfway up the side of a hair follicle shaft.
After expanding an isolated stem cell clone several million times, the researchers grafted the cells on to the back of a mouse that had no hair, and demonstrated that the grafted cells, all derived from a single parent stem cell, made new hair, skin and sebaceous glands, which excrete oil to lubricate the hair.
www.eurekalert.org /pub_releases/2004-09/ru-sim083104.php   (998 words)

 Merkel Cell Carcinoma
Squamous cell and basal cell carcinoma of the skin
Since Merkel cells seem to originate from a pluripotential primitive keratinocyte and not from the neural crest, rhabdomyoblastic differentiation in a metastasis of primary neuroendocrine carcinoma of the skin probably reflects the close proximity between the programs of neural and skeletal muscle differentiation, which would have been sequentially activated in the case we are reporting.
Merkel cell carcinoma (MCC) is an aggressive neuroendocrine tumor of the skin that is associated with a high incidence of recurrence and metastasis.
www.thedoctorsdoctor.com /diseases/merkelcell_CA.htm   (8172 words)

 Skin cancer symptoms, signs, prevention, and treatment and information on the types of skin cancer on MedicineNet.com
basal cell carcinoma (or basal cell carcinoma epithelioma)
Basal cell carcinoma is the most common form of skin cancer and accounts for more than 90 percent of all skin cancer in the U.S. These cancers almost never spread (metastasize) to other parts of the body.
Light-colored skin and sun exposure are both important factors in the development of basal cell carcinomas.
www.medicinenet.com /skin_cancer/article.htm   (1384 words)

 Skin-Squamous Cell Carcinoma-Treatment
Squamous cell carcinoma of the skin continues to plague the adult population.
Prognostic factors for metastasis in squamous cell carcinoma of the skin.
Likewise, while the average staining intensity of primary squamous cell carcinomas and metastatic squamous cell carcinomas was not found to be statistically significant (3.1-3.5 and 3.1-3.8, respectively), the average staining intensity of these lesions was significantly higher than that of invasive lesions.
www.thedoctorsdoctor.com /diseases/skin_squamouscell_CA_tx.htm   (2938 words)

 About Basal Cell Carcinoma   (Site not responding. Last check: 2007-10-23)
These cancers arise in the basal cells, which are at the bottom of the epidermis (outer skin layer).
The incision is closed, and the growth is sent to the laboratory to verify that all cancerous cells have been removed.
The skin’s outer layer and variable amounts of deeper skin are removed using a carbon dioxide or erbium YAG laser.
www.skincancer.org /basal/index.php   (1258 words)

 Basal Cell Carcinoma Skin Cancer
A basal cell carcinoma is a form of skin cancer.
Basal cell carcinomas are the result of sun damage to the skin.
Often people will develop a second basal cell carcinoma close to the spot were one has been treated because the surrounding skin is just as damaged by the sun as the skin where the first basal cell carcinoma grew.
www.skinsite.com /info_basal_cell_carcinoma.htm   (593 words)

 skin cell rejuvenation   (Site not responding. Last check: 2007-10-23)
Using pooled human keratinocytes (skin cells), he and his colleagues studied the normal growth of the skin cells and compared it to the growth of the cells when exposed to EGCG.
Cells in the epidermis, or keratinocytes, are in a constant state of renewal.
Combining these effects of EGCG on skin cells in different layers of the epidermis, Dr. Hsu noted potential benefits for skin conditions as diverse as aphthous ulcers, psoriasis, rosascea, wrinkles and wounds.
www.ultimatewatermassage.com /research-health/green-tea-skin.htm   (647 words)

 Squamous Cell Carcinoma - Skin Cancers - Stanford Comprehensive Cancer Center
Squamous cell skin cancer (sometimes referred to as non-melanoma carcinoma) may appear as nodules, or as red, scaly patches of skin.
Squamous cell carcinoma is the second most common skin cancer found in Caucasians, and is usually found on fair-skinned persons.
Squamous cell carcinoma is typically is found on the rim of the ear, face, lips and mouth, however, it can spread to other parts of the body.
cancer.stanford.edu /skincancer/skin/types/squamous.html   (129 words)

 Crutchfiled Dermatology : Treatments : Basal Cell Skin Cancer
Basal cell skin cancers are best treated early, when they are small, because it is much simpler to remove a small growth than a large one.
Many approaches are used to treat basal cell skin cancers; however, the three most common forms are Mohs’ micrographic surgery, surgical excision, and electrodesiccation and curettage.
Once a patient develops a basal cell skin cancer, there is a 50% chance that they could develop another lesion within five years.
www.crutchfielddermatology.com /treatments/basalcellskincancer   (911 words)

 Skin Cancer
Skin cancer is the most common of all human cancers.
Tumors of the skin are often referred to as lesions.
Skin cancers are of 3 major types: basal cell carcinoma (BCC), squamous cell carcinoma (SCC), and melanoma.
www.emedicinehealth.com /skin_cancer/article_em.htm   (572 words)

 ACS :: What Causes Nonmelanoma Skin Cancer?
Most basal cell and squamous cell skin cancers are caused by UV radiation produced by the sun, but other risk factors are also linked to these skin cancers.
For example, the risk of nonmelanoma skin cancer is twice as high in Arizona as it is in Minnesota.
Skin disease: a very rare disease known as xeroderma pigmentosum hampers the skin’s ability to repair damage caused by the sun.
www.cancer.org /docroot/CRI/content/CRI_2_2_2X_What_causes_nonmelanoma_skin_cancer_51.asp?sitearea=   (679 words)

 ScienceDaily: Single Isolated Mouse Skin Cell Can Generate Into Variety Of Epidermal Tissues
Skin Regeneration Not Isolated To Epidermal Stem Cells (February 5, 2004) -- In the February 2 issue of the Journal of Clinical Investigation, Pritinder Kaur and colleagues at the Peter MacCallum Cancer Centre, Australia, demonstrate that both epidermal stems cells and their...
Adult stem cell -- Adult stem cells are undifferentiated cells found throughout the body that divide to replenish dying cells and regenerate damaged tissues.
Skin grafting -- Skin grafting is a type of organ transplant involving the transplantation of skin.
www.sciencedaily.com /releases/2004/09/040906084209.htm   (2270 words)

 Skin cancer
Skin cancer is a disease in which cancer (malignant) cells are found in the outer layers of the skin.
Skin cancer is more common in people with light colored skin who have spent a lot of time in the sunlight.
Skin cancer can occur anywhere on the body, but it is most common in places that have been exposed to more sunlight, such as the face, neck, hands, and arms.
cancerweb.ncl.ac.uk /cancernet/201228.html   (2267 words)

 Turning Back Time: Embryonic stem cell rejuvenates skin cell: Science News Online, Aug. 27, 2005   (Site not responding. Last check: 2007-10-23)
Cells that carry the DNA from a patient with a genetic disease could differentiate in a petri dish, permitting scientists to observe how disease characteristics develop.
Using a chemical that partially breaks down cell membranes, the researchers merged the cell interiors, including the DNA-bearing nuclei, of pairs of skin cells and embryonic stem cells.
On their surfaces, the cells displayed protein markers that appear on embryonic stem cells as well as markers present on the adult cells.
www.sciencenews.org /articles/20050827/fob1.asp   (675 words)

 AllRefer Health - Basal Cell Carcinoma (Cancer - Skin - Basal Cell, Rodent Ulcer, Skin Cancer - Basal Cell)
Basal cell carcinoma is a slow-growing skin tumor involving cancerous changes in basal skin cells.
The incidence of skin cancer has increased greatly in recent years, due in part to greater exposure to UV radiation from the sun.
More than 90% of basal cell carcinomas occur on areas of skin that are regularly exposed to sunlight or other ultraviolet radiation.
health.allrefer.com /health/basal-cell-carcinoma-info.html   (555 words)

 Skin cancer, non-melanoma
The device was effective in treating 83% of skin lesions in a group of patients diagnosed with non-melanomatous skin cancers during a Phase I trial for the Food and Drug Administration (FDA).
Both squamous and basal cell carcinoma are curable with appropriate treatment, although basal cell carcinomas have about a 5% rate of recurrence.
Early detection remains critical for a positive prognosis; although it is rare for basal cell carcinomas to metastasize, their metastases can rapidly lead to death if they invade the eyes, ears, mouth, or the membranes covering the brain..
www.healthatoz.com /healthatoz/Atoz/ency/skin_cancer_non-melanoma.jsp   (1842 words)

 Basal cell carcinoma   (Site not responding. Last check: 2007-10-23)
In 1990, 600,000 Americans were diagnosed with either basal cell cancer or squamous cell cancer, up from 400,000 in 1980.
A new skin growth that ulcerates, bleeds easily, or does not heal well may indicate development of basal cell skin cancer.
Other risks include a genetic predisposition -- basal cell carcinomas are more common in those who have light-colored skin, blue or green eyes, and blond or red hair -- and overexposure to x-rays or other forms of radiation.
www.shands.org /health/information/000824.htm   (404 words)

 eMedicine - Squamous Cell Carcinoma of the Skin : Article by James F Benson, MD   (Site not responding. Last check: 2007-10-23)
Basal cell cancers account for nearly two thirds of skin cancer cases, while squamous cell cancers account for 10% of skin cancers.
Bowen disease of the skin and erythroplasia of Queyrat of the penis are clinical expressions of squamous cell carcinoma-in-situ.
By definition, SCCA is a malignant squamous neoplasm in which the cells have penetrated the epithelial basement membrane and invaded the dermis for a variable distance.
www.emedicine.com /ent/topic26.htm   (1515 words)

 About Squamous Cell   (Site not responding. Last check: 2007-10-23)
Squamous cell carcinomas may also occur where skin has suffered certain kinds of injury: burns, scars, long-standing sores, sites previously exposed to X-rays or certain chemicals (such as arsenic and petroleum by-products).
In addition, chronic skin inflammation or medical conditions that suppress the immune system over an extended period of time may encourage development of squamous cell carcinoma.
Squamous cell carcinomas occur most frequently on areas of the body that have been exposed to the sun for prolonged periods.
www.skincancer.org /squamous/index.php   (1571 words)

 Basal Cell Carcinoma Treatment – Skin Cancer Treatment California
Basal cell carcinoma is the most common form of skin cancer, affecting about 800,000 Americans each year.
Chronic exposure to sunlight is the cause of almost all basal cell carcinomas, which occur most frequently on exposed parts of the body - the face, ears, neck, scalp, shoulders, and back.
Skin specialists report that more and more people in their twenties and thirties are being treated for this skin cancer.
www.beautybeforeage.com /cancer/cancer_basal.htm   (512 words)

 MedlinePlus Medical Encyclopedia: Basal cell carcinoma
A biopsy of a suspicious skin lesion is needed to confirm the diagnosis of basal cell carcinoma.
A complication of basal cell cancer is an invasion of adjacent tissues or structures, causing damage to their appearance and function.
Examine the skin regularly for development of suspicious growths or changes in an existing skin lesion.
www.nlm.nih.gov /medlineplus/ency/article/000824.htm   (789 words)

 Basal cell skin cancer
Basal cell skin cancer (carcinoma) most often appears on areas of the body that have been exposed to the sun, such as the head, face, neck, back, chest, or shoulders.
Basal cell skin carcinoma is the most common skin cancer in light-skinned people.
Most basal cell skin cancer can be cured, but some may return after treatment.
www.webmd.com /hw/health_guide_atoz/stb17744.asp?navbar=aa32173   (189 words)

 Skin Merkel Cell Carcinoma
Gould VE, Moll R, Moll I, et al.: Neuroendocrine (Merkel) cells of the skin: hyperplasias, dysplasias, and neoplasms.
Goepfert H, Remmler D, Silva E, et al.: Merkel cell carcinoma (endocrine carcinoma of the skin) of the head and neck.
small cell type - closely mimics small cell tumors of other sites; the tumors arise in the dermis and appear as solid sheets and clusters of cells; areas of necrosis and "crushing" artifact are frequently seen; the clinical behavior of this subtype appears to be as aggressive as that of the intermediate subtype.
www.medhelp.org /lib/cancernet/110847.htm   (1325 words)

 BBC NEWS | Health | 'Skin cell' bandages treat burns
The skin cells are usually taken from the thigh, under local anaesthetic, and then grown on a small disc in a laboratory.
Similar technology has been used before, however this is the first time cells have actually been placed directly on to a patient's wound via a bandage.
However, he said some centres in the UK were using other new and effective methods, such as spraying skin cells on to the wound to stimulate healing.
news.bbc.co.uk /1/hi/health/3660533.stm   (499 words)

 Squamous cell carcinoma. DermNet NZ
The squamous cell is found in the outer layers of the skin (the epidermis) and is a type of keratinocyte (a cell that makes the protein keratin).
In genital areas, SCC are usually related to infection with papillomavirus (genital warts) or skin disease such as lichen sclerosus or lichen planus (see vulvar cancer).
This is because ultraviolet radiation damages the skin cell nucleic acids (DNA) resulting in a mutant clone of the gene p53.
www.dermnet.org.nz /lesions/squamous-cell-carcinoma.html   (1145 words)

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