The document discusses various types of epidermal nevi, neoplasms, and cysts. It describes conditions such as keratinizing epidermal nevi, linear verrucous epidermal nevus, inflammatory linear verrucous epidermal nevus, nevus comedonicus, clear cell acanthoma, seborrheic keratosis, inverted follicular keratosis, dermatosis papulosa nigra, actinic keratosis, leukoplakia, and cutaneous horn. It provides details on clinical presentation, histology, risk factors, and treatment options for each condition.

1. Epidermal Nevi, Neoplasms and Cysts – Part 1 JoAnne M. LaRow, D.O. March 23, 2004

6. Linear Verrucous Epidermal Nevus

13. LVEN

15. LVEN following Blaschko’s lines

16. ILVEN

17. Epidermal Nevus Syndrome

19. Nevoid Hyperkeratosis of the Nipple

22. Nevus Comedonicus

23. Nevus Comedonicus

25. Clear Cell Acanthoma

28. Seborrheic Keratosis

32. Inverted Follicular Keratosis

38. Dermatosis Papulosa Nigra

40. Stucco Keratosis

42. Multiple Minute Digitate Hyperkeratosis

48. Hyperkeratosis Lenticularis Perstans (Flegel’s Disease)

49. Hyperkeratosis Lenticularis Perstans (Flegel’s Disease)

52. HK & PK overlying a thinned epidermis, irreg. acanthosis at periphery, band-like infilt.

54. Keratotic Plug, Cup-like Invagination

56. Corps ronds and grains

72. Cutaneous Horn

81. White Sponge Nevus

83. Oral Florid Papillomatosis

85. Elastotic Nodules of Antihelix

88. Solitary KA

90. Multiple KA

92. Eruptive KA – Generalized, esp. shoulders and arms, but palms and soles are spared

93. Eruptive KA – oral lesions, bilateral ectropion and narrowing of oral aperture

95. KA Centrifugum Marginatum

96. KA Centrifugum Marginatum