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Topic: Squamous


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  Epithelium - Wikipedia, the free encyclopedia
Squamous: Squamous cells are flat cells with an irregular flattened shape.
The one cell layer of simple squamous epithelium is a minimal barrier to diffusion.
Places where squamous cells can be found include the alveoli of the lungs, the filtration of the kidneys, and the major cavities of the body.
en.wikipedia.org /wiki/Epithelium   (594 words)

  
 Squamous Cell Lung Cancer / Epidermoid Carcinoma -
Squamous cell carcinoma lung cancer or epidermoid carcinoma is a slow-spreading, slow-growing disease that develops in the central parts of the lungs.
Squamous cell (epidermoid) carcinoma lung cancer is essentially cancer of the epithelial (surface) cells of the lungs or bronchi.
Squamous cell lung cancer or epidermoid carcinoma is a member of the non-small cell lung cancer family.
www.lungcancer411.com /html/types_squamous.html   (359 words)

  
 About Squamous Cell   (Site not responding. Last check: 2007-10-08)
Squamous cell cancers may occur on all areas of the body including the mucous membranes, but are most common in areas exposed to the sun.
Squamous cell carcinomas that metastasize most often arise on sites of chronic inflammatory skin conditions or on the mucous membranes or lips.
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   (1338 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.
Squamous cell carcinomas are most commonly found on the ears, the face, and the mouth.
Squamous cell tumors tend to be more aggressive than basal cell tumors, and are slightly more likely to spread to other parts of the body.
www.mskcc.org /mskcc/html/5495.cfm   (417 words)

  
 Recognizing Skin Cancer--Squamous Cell Carcinoma   (Site not responding. Last check: 2007-10-08)
Some squamous cell carcinomas arise within areas of radiation dermatitis, within burn scars, or in patients with a history of arsenic ingestion: these tumors tend to be more aggressive.
Squamous cell carcinoma should be considered as the diagnosis if an isolated area of presumed psoriasis or eczematous dermatitis is unresponsive to therapy.
Squamous cell carcinoma may remain in situ (confined to the epidermis), or it may invade the underlying dermis.
www.bu.edu /cme/modules/2002/skincancer02/content/03-squam.htm   (482 words)

  
 Squamous Cell Carcinoma of the Skin - Skin Cancer
A squamous cell carcinoma of the skin is a form of skin cancer which is usually the result of long term sun damage to the skin.
Squamous cell carcinomas are most common on the face because the face receives more sunlight than other parts of the body.
Often people will develop a second squamous 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 squamous cell carcinoma grew.
www.skinsite.com /info_squamous_cell_carcinoma.htm   (663 words)

  
 Squamous Cell Carcinoma of the Skin
Thirty percent of invasive squamous cell carcinomas had full-thickness staining of the in situ component of the lesion, and 100% of invasive squamous cell carcinomas exhibited moderate to strong staining of the invasive component of the lesion.
Pseudoangiosarcomatous, or pseudovascular, squamous cell carcinoma of skin is an unusual form of acantholytic (adenoid, pseudoglandular) squamous cell carcinoma that mimics the histolopathologic appearance of angiosarcoma.
Squamous cell carcinoma is one of the most common primary cutaneous carcinomas but on rare occasion, metastatic squamous cell carcinoma from a distant site or solid organ can present as a cutaneous lesion.
www.thedoctorsdoctor.com /diseases/skin_squamouscell_CA.htm   (11448 words)

  
 Squamous Cell Carcinoma
Squamous cell carcinoma is the second most common malignant eyelid neoplasm in the United States, after basal cell carcinoma.
Squamous cell carcinoma in its early stages is easily confused with a multitude of other eyelid lesions, both malignant and benign.
After the dysplastic squamous cells encroach beyond the borders of the basement membrane, the lesion is referred to as invasive squamous cell carcinoma.
www.revoptom.com /handbook/SECT9a.HTM   (574 words)

  
 Guidelines of Care for Cutaneous Squamous Cell Carcinoma   (Site not responding. Last check: 2007-10-08)
Squamous cell carcinoma is a malignant skin tumor of keratinizing cells of the epidermis or its appendages.
Squamous cell carcinoma is the second most common malignant tumor of the skin.
The occurrence of squamous cell carcinoma is usually related to excessive exposure to UV light.
www.aadassociation.org /Guidelines/cutaneoussquamous.html   (1849 words)

  
 eMedicine - Head and Neck Cancer: Squamous Cell Carcinoma : Article by Emmanuella Joseph, MD   (Site not responding. Last check: 2007-10-08)
Squamous cell carcinoma of the head and neck is most commonly associated with the use of alcohol and tobacco.
Squamous cell carcinoma is thought to arise from keratinizing or malpighian epithelial cells.
The hallmark of squamous cell carcinoma is the presence of keratin or “keratin pearls” on histologic evaluation.
www.emedicine.com /plastic/topic376.htm   (3422 words)

  
 Squamous Cell Carcinoma
Squamous cell carcinoma is a common form of lung cancer, accounting for approximately one-third of all cases of bronchogenic carcinomas.
The histopathologic hallmark of invasion is the presence of a reactive mesenchymal proliferation of the submucosal stromal cells to the invading tumor, a phenomenon known as desmoplasia.
Squamous cell carcinomas are graded according to their degree of differentiation and designated as well, moderately, or poorly differentiated.
www.cancerwarriors.net /stephen/x-scc.html   (1013 words)

  
 VetMedCenter - Consumer - Article Details   (Site not responding. Last check: 2007-10-08)
Squamous epithelium is formed of flat cells that act as covering plates on the surface of the skin and moist tissues (mucous membranes) of the body.
Squamous cell carcinoma of the toe arises from tissue beneath the toenail.
Squamous cell carcinoma of the digit is diagnosed by physical examination, radiographs (X-rays), and biopsy (removal and examination of tissue).
consumer.vetmedcenter.com /Consumer/display.asp?id=26136&dt=p   (464 words)

  
 Squamous Cell Carcinoma | Webpathology.cfm   (Site not responding. Last check: 2007-10-08)
Remarks: Most patients with squamous cell carcinoma of the bladder have history of chronic cystitis secondary to calculi, infection, schsistosomiasis, or cyclophosphamide chemotherapy.
Foci of typical squamous cell carcinoma in the center are surrounded by undifferentiated spindle cell sarcoma.
This illustration is from a patient with bladder diverticulum who developed sarcomatoid carcinoma with areas of moderate to poorly differentiated squamous cell carcinoma.
www.webpathology.com /case.cfm?case=59   (382 words)

  
 Squamous Cell Carcinoma: Skin Cancers: Merck Manual Home Edition
Squamous cells (keratinocytes) are the main structural cells of the epidermis.
Squamous cell carcinoma usually develops on sun-exposed areas but may grow anywhere on the skin or in the mouth, where sun exposure is minimal.
Squamous cell carcinoma is characterized by its thick, scaly, irregular appearance.
www.merck.com /mmhe/sec18/ch216/ch216c.html   (420 words)

  
 Health Information - Yale Medical Group
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.
ymghealthinfo.org /content.asp?page=P01353   (212 words)

  
 Postgraduate Medicine: Skin Disorders Symposium: Basal and squamous cell carcinomas
Patients with a history of basal or squamous cell carcinoma are at increased risk for new skin cancers, including additional basal and squamous cell carcinomas and melanomas (4-7).
Some early squamous cell carcinomas are difficult to distinguish from actinic keratosis, which may, in fact, be a precursor of squamous cell cancer (figure 9).
Patients with a history of basal or squamous cell carcinoma are at increased risk for new skin cancers as well as recurrences, and lifelong, regular, total cutaneous examinations are essential to detect potentially curable skin carcinomas and melanomas.
www.postgradmed.com /issues/1997/08_97/marghoob.htm   (2228 words)

  
 Skin Cancer Treatment - Alternative Skin Cancer Treatment - Squamous Cell Carcinoma - Basal Cell Carcinoma - Melanoma   (Site not responding. Last check: 2007-10-08)
Squamous cell carcinoma also rarely spreads, but is more likely to do so than basal cell carcinoma.
Squamous cell tumors also tend to occur on sun-exposed portions of the skin such as the ears, lower lip, and dorsa of the hand.
However, squamous cell carcinomas that arise in areas of non-sun-exposed skin or that originate de novo on areas of sun-exposed skin are prognostically worse since they have a greater tendency to metastasize.
www.apjohncancerinstitute.org /Cancer/skin.htm   (8597 words)

  
 Squamous Cell Skin Cancers
Eighty percent are basal cell carcinoma, 16% are squamous cell carcinoma and 4% are melanoma.
Squamous cell carcinoma is characterized into several distinct types.
Squamous cell carcinoma is especially of concern when present on the ears, nose, lips or external genitalia.
www.yourskindoctor.com /squamous.html   (883 words)

  
 Squamous Cell Carcinoma
Squamous cell carcinoma usually afflicts older animals (mean age of 12 years in the cat, 8 years in the dog).
Tonsillar squamous cell carcinoma is 10 times more common in animals living in urban areas than in rural ones, implying an etiologic association with environmental pollutants.
Feline tongue tumors are usually squamous cell carcinoma and most are located on the ventral surface near the frenulum.
maxshouse.com /squamous_cell_carcinoma.htm   (1991 words)

  
 Squamous Cell Skin Cancer Treatment from CTCA
Squamous cell skin cancer is a form of skin cancer that usually results from long-term damage to the skin by the sun.
Squamous cell skin cancer spreads slowly, but if it is not treated early, it can spread to other parts of the body.
Squamous cell skin cancer is most often seen on areas of the body that have been exposed to excessive sun.
www.cancercenter.com /squamous-cell-skin-cancer.htm   (303 words)

  
 ENLmedical.com: Conditions And Concerns: Medical Encyclopedia: Squamous cell carcinoma
Bowen's disease is a malignant condition (technically, it is an intraepidermal squamous cell carcinoma).
Squamous cell carcinoma on the lower lip: This is a common site for squamous cell carcinoma, possibly because of the high sun exposure on an upturned surface.
Squamous cell carcinoma is one of the three most common types of skin cancer: basal cell, squamous cell, and melanoma.
www.enlmedical.com /article/000829.htm   (1214 words)

  
 National Cancer Institute - Squamous Neck Cancer with Occult Primary Treatment   (Site not responding. Last check: 2007-10-08)
Squamous cells line the outside of many body organs, including the mouth, nose, skin, throat, and lungs.
Cancer can begin in the squamous cells and spread (metastasize) from its original site to the lymph nodes in the neck or around the collarbone.
The chance of recovery (prognosis) depends on how many lymph nodes contain cancer, where the cancer is found in the neck, whether or not a primary tumor is found, and the patient’s general state of health.
cancer.gov /cancerinfo/pdq/treatment/metastatic-squamous-neck/patient   (374 words)

  
 Squamous Cell Carcinoma Treatment from Cancer Treatment Centers of America
Squamous cell carcinoma is the presence of tumors in areas of the skin that have been in the sun.
Squamous cell carcinoma tumors may also appear in areas of the skin that have been burned, exposed to chemicals, or had x-ray treatments.
Squamous cell carcinoma often appears as a firm red bump that may bleed, feels scaly, and may develop a crust.
www.cancercenter.com /squamous-cell-carcinoma.htm   (335 words)

  
 squamous cell carcinoma   (Site not responding. Last check: 2007-10-08)
Here is a cutaneous horn, overlying a tumor which on biopsy proved to be a squamous cell carcinoma.
Biopsy of this tumor revealed squamous cell carcinoma.
This gentleman was in his 60s when he presented to the clinic because of the frequent development of skin cancers.
matrix.ucdavis.edu /tumors/tradition/gallery-scc.html   (398 words)

  
 DermAtlas: Online Dermatology Image Library dermatology image,carcinoma, squamous cell,ulcer,carcinoma, squamous ...
Skin biopsy revealed a squamous cell carcinoma, and the lesion was excised.
Squamous lobules with central keratin-filled cysts demonstrate minimal cytologic atypia.
She was referred to surgery where a biopsy showed squamous cell carcinoma and then lost to followup.
dermatlas.med.jhmi.edu /derm/result.cfm?Diagnosis=-1460047462   (444 words)

  
 Skin cancer - basal cell and squamous cell carcinoma
Basal cell carcinoma is a cancer that begins in the deep basal cell layer of the epidermis (the outer layer of the skin).
Like basal cell carcinoma, squamous cell carcinoma is not among the most dangerous cancers but it can become dangerous if it is not treated in time.
Squamous cell carcinoma grows faster than basal cell carcinoma especially when located near orifices - the eyes, ears, mouth, anus or the vagina.
www.netdoctor.co.uk /diseases/facts/skincancernonmelanoma.htm   (684 words)

  
 Skin Cancer
The overall cure rate for basal cell carcinoma and squamous cell carcinoma is directly related to the stage of the disease and the type of treatment used.
[1] Squamous cell carcinoma is graded 1 to 4 based on the proportion of differentiating cells present, the degree of atypicality of tumor cells, and the depth of tumor penetration.
[1] Regional lymph nodes should be routinely examined in all cases of squamous cell carcinoma, especially for high-risk tumors appearing on the lips, ears, perianal and perigenital regions, or high-risk areas of the hand.
imsdd.meb.uni-bonn.de /cancer.gov/CDR0000062909.html   (3398 words)

  
 Dermatology - Squamous Cell Carcinoma   (Site not responding. Last check: 2007-10-08)
Squamous cell carcinoma (SCC) is a malignant neoplasm of keratinocytes with many features one of which is the production of keratin.
Squamous cell carcinoma is the second most common skin cancer after basal cell carcinoma.
Bowen's disease is an intraepidermal or in situ squamous cell carcinoma.
medschool.ucsd.edu /derm1/SCC/2dermweb1.html   (665 words)

  
 eMedicine - Squamous Cell Carcinoma, Eyelid : Article by Michael T Yen, MD   (Site not responding. Last check: 2007-10-08)
In a study of cutaneous squamous cell carcinoma, mean age of patients infected with HIV was 49 years, whereas mean age of patients who were not immunocompromised was 75 years.
In well-differentiated squamous cell carcinoma, cells are polygonal with abundant cytoplasm.
Axial MRI of a large squamous cell carcinoma of the left lower eyelid with invasion of the anterior orbit.
www.emedicine.com /oph/topic236.htm   (1993 words)

  
 Squamous cell skin cancer
Squamous cell skin cancer (carcinoma) most often occurs on areas of the skin that have been in the sun, such as the nose, ears, forehead, lower lip, and hands, but may also appear on areas of the skin that have been burned, exposed to chemicals, or had radiation therapy.
Squamous cell cancers may rapidly develop into large masses and spread to nearby lymph nodes.
Squamous cell carcinoma is the second most common skin cancer in light-skinned people.
www.webmd.com /hw/health_guide_atoz/sts15027.asp?navb...3Fz=2946_00000_0000_rl_19   (170 words)

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