Diferencia entre revisiones de «Basal cell carcinoma»
Sin resumen de edición |
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| (No se muestran 4 ediciones intermedias de 2 usuarios) | |||
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==Background== | ==Background== | ||
* | {{Skin anatomy background images}} | ||
*80% of skin cancers are basal cell, 16% are squamous cell, and 4% are melanomas | |||
*5% to 10% of basal cell carcinomas are aggressive, invade and destroy skin and surrounding tissues, sometimes reaching bone | |||
*Rarely a metastatic process | *Rarely a metastatic process | ||
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*Ionizing radiation | *Ionizing radiation | ||
*Immunosuppression | *Immunosuppression | ||
*Age and skin colour (light tone) | |||
*Also known of a certain genetic predisposition (higher in people from the northern hemisphere) | |||
==Clinical Features== | ==Clinical Features== | ||
[[File:Basal cell carcinoma2.jpg|thumb|Ulcerated basal-cell carcinoma affecting the skin of the nose in an elderly patient.]] | |||
[[File:basal cell carcinoma.JPG|thumbnail]] | |||
*Slow growing | *Slow growing | ||
*Usually head and neck | *Usually head and neck | ||
*About 20% appear on areas less exposed to the sun, such as chest, back, extremities and scalp. | |||
*Only where hair follicles exist | *Only where hair follicles exist | ||
*Pearly nodule with telangiectatic vessels, rolled border and central ulceration | *Pearly nodule with telangiectatic vessels, rolled border and central ulceration | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
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==See Also== | ==See Also== | ||
*[[Squamous cell carcinoma]] | |||
==External Links== | ==External Links== | ||
==References== | ==References== | ||
<references/> | <references/> | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
[[Category:Heme/Onc]] | [[Category:Heme/Onc]] | ||
Revisión actual - 16:15 11 dic 2024
Background
- 80% of skin cancers are basal cell, 16% are squamous cell, and 4% are melanomas
- 5% to 10% of basal cell carcinomas are aggressive, invade and destroy skin and surrounding tissues, sometimes reaching bone
- Rarely a metastatic process
Risk Factors
- UV radiation
- Chronic arsenic exposure
- Ionizing radiation
- Immunosuppression
- Age and skin colour (light tone)
- Also known of a certain genetic predisposition (higher in people from the northern hemisphere)
Clinical Features
- Slow growing
- Usually head and neck
- About 20% appear on areas less exposed to the sun, such as chest, back, extremities and scalp.
- Only where hair follicles exist
- Pearly nodule with telangiectatic vessels, rolled border and central ulceration
Differential Diagnosis
Other Rash
- Acute generalized exanthematous pustulosis
- Allergic reaction
- Aphthous stomatitis
- Atopic dermatitis
- Coxsackie
- Dermatitis herpetiformis
- Exfoliative erythroderma
- Impetigo
- Pellagra
- Pityriasis rosea
- Serum Sickness
- Tinea capitus
- Tinea corporis
- Vitiligo
Evaluation
- Clinical examination by trained clinician (dermatology referral)
- Skin biopsy
Management
- Not typically managed within ED
Disposition
- Discharge with derm follow up