Term
| What are the skin tumors that produce Cutaneous Horn Lesions |
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Definition
Vurrucas (Warts)
Squamous Carcinoma
Actinic Keratosis |
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Term
| What patient population is affected by Seborrheic Keratosis |
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Definition
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Term
| What is the appearance of the Seborrheic Keratosis, Dermatosis Papulosa Nigra, and Dermatofibroma |
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Definition
Seborrheic Keratosis: "Stuck On" Brown/Black papule
Dermatosis Papulosa Nigra: Stuck on pedunculated papules
Dermatofibroma: Tan Brown Rock under skin |
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Term
| What is the histology of Seborrheic Keratosis |
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Definition
Hyperkeratosis
Acanthosis
Pseudohorn Cysts (Keratine filled sacs in epidermis) |
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Term
| What is a keratoacanthoma and what is it a precursor to |
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Definition
Crateiform Papule or Central Keratoic Plug
Can transition to Squamous Cell Carcinoma
Keyword: large central dell |
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Term
| What are some characteristics of Actinic Keratosis and what can it progress to |
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Definition
Solar Keratosis (Red macules on Sun Exposed areas)
Subutaneous Horns
Progression: Squamous cell Carcinoma |
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Term
| Describe the gross appearance of a Basal cell carcinoma |
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Definition
Pearly
Rodent Ulcer
Rolled Boarder
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Term
| What is the appearance of the squamous cell carcinoma |
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Definition
| Atypical keratinocytes through the full thickness of the epidermis |
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Term
| What are the leading extrinsic and intrinsic causes of Squamous cell carcinoma |
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Definition
Extrinsic:UV, Ionizing, Chemical, HPV
Intrinsic: Genetic syndrom, Genetic tendency, Chronic immunosuppresion,
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Term
| What are the benign melanocytic lesions |
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Definition
Acquired
Congenital- Hair, malignant potential
Familial Atypical Mole Syndrome-Bizarre, all become melanomas |
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Term
| What are the predispositions to Melanoma |
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Definition
red/blonde, blue/green eyes
actinic keratosis
freckling
blistering sunburns
numerous moles |
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Term
| What are the types of Melanoma |
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Definition
Lentigo Maligna: Slowly expanding hyperpigmented patch Sun-damaged skin in elderly
Superficial Spreading(Most Common): Slowly enlarging, elevated, pigmented plaque on trunk or limbs
Nodular: Short In-situ phase
Acral Lentigenous: Acral skin, Increased in AA, Asians, Hispanics
Subungal: Poor prognosis bc invades before IDing
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