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Slacker’s Guide to Skin Lesions

Slacker’s Guide to Skin Lesions. What are these. Type of lesion: . Type of lesion: . Type of lesion: . Type of lesion: . What are these. Type of lesion: Macular/patch . Type of lesion: Macular/patch. <- Café au lait Mongolian spot -> <- Lentigo Ephelid ->.

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Slacker’s Guide to Skin Lesions

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  1. Slacker’s Guide to Skin Lesions

  2. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  3. What are these Type of lesion: Macular/patch Type of lesion: Macular/patch <- Café au lait Mongolian spot -> <- Lentigo Ephelid -> Type of lesion: Macule Type of lesion: Macule

  4. Differentials Type of lesion: Macular/patch Type of lesion: Macular/patch <- Café au lait Mongolian spot -> Present at birth or early childhood Does not fade with age Light brown in hue Present anywhere Present at birth Fades with age Bluish in hue Limited to sacral lumbar area

  5. Differentials Seen in young individuals Lightens and darkens with sun exposure Related to sun exposure Typically seen in older individuals <- Lentigo Ephelid -> Type of lesion: Macule Type of lesion: Macule

  6. What are these Type of lesion: Macular/patch <- Café au lait Ephelid -> Small Fades with age? Lightens and darkens with season Large Does not fade with age Stable coloration. Surrounding skin may change color Type of lesion: Macule

  7. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  8. What are these Type of lesion: Macule Type of lesion: Slight papule <- Junctional Nevus Compound Nevus-> <- Intradermal Nevi Sebhorreic Keratosis -> Type of lesion: papule Type of lesion: papule

  9. Differentials <- Intradermal Nevi Sebhorreic Keratosis -> Keratoticpsuedocysts Velvety texture ??Not velvety Melanocyte nests in dermis Type of lesion: papule Type of lesion: papule

  10. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  11. What are these Type of lesion: Macule Type of lesion: Macule <- Junctional Nevus Dysplastic Nevus-> <- Halo Nevus Dermatofibroma-> Type of lesion: Macule Type of lesion: macule or papule

  12. Differentials <- Halo Nevus Dermatofibroma-> Dimples when pinched Usually on legs Central white patch Outer white ring Type of lesion: Macule Type of lesion: macule or papule

  13. Differentials Type of lesion: Macule Type of lesion: Macule <- Junctional Nevus Dysplastic Nevus-> Usually regular color and edges Melanocyte nests at dermal epidermal junction Irregular border and color Nests of melanocytes stream horizontally

  14. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  15. What are these Type of lesion: Papule Type of lesion: Papule <- Kerattoacantthoma Angioma: PyogenicGranluoma -> <- Epidermoid Cyst Pilar Cyst-> Type of lesion: Papule Type of lesion: Papule

  16. Differentials Type of lesion: Papule Type of lesion: Papule <- Kerattoacantthoma Angioma: PyogenicGranluoma -> Keratin center that looks like a dormant volcano Red vascular center that looks Like an active volcano.

  17. Differentials <- Epidermoid Cyst Pilar Cyst-> Present on “hairless” areas Usually involves hairy areas Type of lesion: Papule Type of lesion: Papule

  18. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  19. What are these Type of lesion: Papule Type of lesion: Papule <- Sebaceous Hyperplasia Syringoma -> <- Adenoma Sebaceum Verruca Plana -> Type of lesion: Papule Type of lesion: Papule

  20. Differentials Type of lesion: Papule Type of lesion: Papule <- Sebaceous Hyperplasia Syringoma -> Forehead of men Sebaceous glands Below eye of women Eccrine glands

  21. Differentials <- Adenoma Sebaceum Verruca Plana -> Flat warts. Central facial papules Type of lesion: Papule Type of lesion: Papule

  22. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  23. What are these Type of lesion: Papule Type of lesion: Papule? <- Blue Nevus Venous Lake -> <- Fibroepithelial polyps Stucco Keratosis-> Type of lesion: Papule Type of lesion: Papule

  24. What are these Type of lesion: Papule Type of lesion: Papule? <- Blue Nevus Venous Lake -> Collection of venous blood Blanches when pressed Mole with deeper melanin Resulting in a blue color

  25. Differentials <- Fibroepithelial polyps Stucco Keratosis-> Small mole like structures but Less well attached? Small SeborrheicKeratosis Type of lesion: Papule Type of lesion: Papule

  26. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  27. What are these Type of lesion: Macule/patch Type of lesion: macule? <-Angioma:Telangiectasia Angioma :Spider-> Type of lesion: Type of lesion:

  28. What are these Type of lesion: Type of lesion: Type of lesion: Type of lesion:

  29. What are these Type of lesion: Papule Type of lesion: Papule? <- Pustular Psoriasis Erythema Multiforme -> <- Gutate psoriasis Herpes Zoster -> Type of lesion: Papule Type of lesion: Papule

  30. Differentials <- Pustular Psoriasis Erythema Multiforme -> Targetoid lesions Diffuse

  31. Differentials <- Gutate psoriasis Herpes Zoster -> ItchyPainful Follows dematome

  32. What are these

  33. What are these <- Varicella (Chicken Pox) Lichen Planus -> <- Urticaria Mobiliform->

  34. Differentials <- Varicella (Chicken Pox) Lichen Planus -> Dew drop on rose pattern ItchyWidespread Caused by Varicella Pruritic, purple, polygonal, polymorphous papules Wrists, oral whitish reticulation

  35. Differentials <- Urticaria Mobiliform-> Resembles measles Erythematous papules coalsescing into plaques Angioedema Transient Rapid changes Can be localized or diffuse

  36. What are these

  37. What are these <- BullousPemphigoid PemphigusVulgaris -> <- Psoriasis Seborrheic Dermatitis->

  38. Differentials <- BullousPemphigoid PemphigusVulgaris -> Tense blisters Flaccid blisters

  39. Differentials <- Psoriasis Seborrheic Dermatitis-> In sebaceous areas Erythematous plaques with silvery scale Especially on elbows and knees Pitting of nails common

  40. What are these <- Dyshidrotic Eczema MolluscumContagiosum -> <- Impetigo Atopic Dermatitis->

  41. Differentials <- Dyshidrotic Eczema MolluscumContagiosum -> Itchy Small blisters on hands and feet Non contagious Small fleshy pearlescent papules Caused by pox virus Contagious – std in adults

  42. Differentials <- Impetigo Atopic Dermatitis-> Honey colored Staph or strep infection Aggravated by allergens in environment

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