Duke PA Benign and Malignant Skin Lesions
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| medical term for skin tag, usually appear after 30's | achrochordon
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| bening, firm, mobile, subcutaneous nodule, most common on hair bearing areas, but may occur anywhere | epidermal cyst
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| aka mole | nevus
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| nevus cells located within the deeper dermis | blue nevus
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| where are blue nevi most commonly found | head, neck, buttocks, and dorsal hands/feet, can be seen anywhere
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| perform a complete skin exam as this phenomenon may occur in vitiligo and in malignant melanoma | halo nevus
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| a preexisting nevus of any type which is surrounded by a rim of depigmentation, an autoimmune phenomena preceding the disappearance of the nevus | halo nevus
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| benign, pink, tan, or brown dome-shaped smooth papules, most common in children, rare in adults, most common on the face, scalp, neck, and legs | Spitz nevus
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| treatement of spitz nevus | excision is recommended since melanoma has been reported to arise albeit rarely
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| not a true nevus since it lacks nevus cells, it is a developmental anomaly appearing as a brown patch, a patch of hair, or both | Becker's nevus
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| aka freckles | ephilides
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| aka age spots, liver spots, wisdom spots | lentigo
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| benign 1-2 mm well defined red, tan, or brown colored macules, increased # of melanocytes therefore they tend to darken with sun exposure and fade in the winter months | ephilides
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| most common skin cancer/most common cancer in humans | basal cell carcinoma
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| usually slow growing and locally destructive lesions. Metastasis virtually never occurs in theis type of cancer (most common on the face, scalp, ears, and neck | basal cell carcinoma
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| most common variant of BCC, | nodular BCC
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| treatment for nodular BCC | ED&C, excision, and MMS for recurrent or high risk lesion
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| least aggressive variant of BCC | superficial BCC
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| this BCC may resemble melanoma | pigmented BCC
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| least common BCC very subtle, white to yellow patch with poorly defined borders | morpheaform BCC
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| treatment of choice for morpheaform BCC | MMS
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| common, persistent, keratotic growth with malignant potential, caused by cumulative sun exposure (most commonly seen on sun-exposed skin of fair-skinned patients | actinic keratosis
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| lesions appear as flesh colored, yellowish, brown, pink, or red-colored, scaly, hyperkeratotic, or rough textured papules. they may also present as cutaneous horns | actinic keratosis
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| treatment for actinic keratosis | 5-FU, imiquimod, cryotherapy, or ED&C
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| potentially invasive, primary cutaneous malignancy of keratinocytes in the skin or mucous membranes | squamous cell carcinoma
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| most squamous cell carcinoma is caused by | UV light, radiation, chemicals (arsenic and hydrocarbons), tobacco, chronic infection, chronic inflammation, burns, and human papillomavirus infection
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| common, rapidly growing, solitary, firm, red nodule, with a central keratotoic plug or cutaneous horn. cannot be clinically distinguished from an invasive SCC and must be biopsied | keratoacanthoma
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| ABCDE stands for | asymmetry, border irregularity, color, diameter, evolving
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| should be in your differential for any new mole presenting in adulthood or any mole changeing in size, shape, or color | malignant melanoma
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| the incidence of __ is rising faster than the rate of any other human cancer and the mortality rate is increasing at a rate second only to lung cancer. | malignant melanoma
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| the most common cancer in females 25-29 yo and is the second most common cancer in women 30-35 yo | malignant melanoma
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| most common cause of death in malignant melanoma | CNS mets
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| pigmentation of the proximal nail fold | hutchinson's sign
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| ED&C stands for | electrodessication and curettage (shave biopys followed by alternating use of curette and electrocautery for 3 cycles each
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