<p>Section 1: Acne Vulgaris</p><p> </p><p>Foreword</p><p>Joshua A. Zeichner, MD</p><p> </p><p> </p><p>1. Acne Pathophysiology</p><p>Shinjita Das MD and Rachel Reynolds MD</p><p> </p><p>2. Clinical Presentation of Acne</p><p>Guy Webster, MD, PhD</p><p> </p><p>3. Topical Therapies for Acne</p><p>Mary-Margaret Kober MD, Whitney P. Bowe MD, Alan R. Shalita MD</p><p> </p><p>4. Systemic Therapies for Acne</p><p>Marisa Kardos BS, Alexa Kimball MD MPH, Lynn Drake MD</p><p> </p><p>5. Laser and Light Based Therapies for Acne</p><p>Jeremy B Green, MD, Annelyse Ballin, MD, Joely Kaufman, MD</p><p> </p><p> </p><p>Section 2: Infectious Diseases Mimicking Acne Vulgaris</p><p> </p><p>Bacteria</p><p> </p><p>6. Bacterial Folliculitis</p><p>Jessica Gjede MD and Emmy Graber MD</p><p> </p><p>7. Gram Negative Folliculitis</p><p>Ani L. Tajirian M.D. and Leon H. Kircik M.D.</p><p> </p><p>8. Hot Tub Folliculitis</p><p>Paula S Malhotra MD and Joseph F. Fowler Jr. MD</p><p> </p><p>Fungi</p><p> </p><p>9. Pityrosporum Folliculitis</p><p>Patricia K Farris MD and Andrea Murina MD</p><p> </p><p>10. Tinea Barbae</p><p>Lauren Kole MD and Boni Elewski MD</p><p> </p><p>Viruses</p><p> </p><p>11. Flat Warts</p><p>Ted Rosen MD and Sara Risner-Rumohr MD</p><p> </p><p>12. Molluscum Contagiosum</p><p>Yvonne Clark PA and Lawrence F. Eichenfield MD</p><p> </p><p>13. Herpes Simplex Virus</p><p>Rachel Gordon MD and Stephen Tyring MD</p><p> </p><p>14. Varicella Zoster Virus</p><p>Rachel Gordon MD, Stephen Tyring MD, PhD, Whitney Lapolla, MD, and Rana Mays, MD</p><p> </p><p> </p><p>Section 3: Variants of Acne Vulgaris</p><p> </p><p>15. Acne Conglobata</p><p>Jonathan S. Weiss MD and Elijah Wilder DO</p><p> </p><p>16. Acne Excoriee</p><p>Jillian W. Wong BA and John Y. M. Koo MD</p><p> </p><p>17. Acne Fulminans</p><p>Alison Schram BS and Misha Rosenbach, MD</p><p> </p><p>18. Acne Mechanica</p><p>Zoe Diana Draelos MD</p><p> </p><p>19. Cushing Syndrome</p><p>Nick Zilieris DO, Cheryl J. Gustafson MD, and Steven R. Feldman MD PhD</p><p> </p><p>20. PAPA Syndrome</p><p>Fan Liu, BA and Kanade Shinkai, MD PhD</p><p> </p><p>21. Polycystic Ovary Syndrome</p><p>Joslyn S Kirby MD</p><p> </p><p>22. Pomade Acne</p><p>Oge Onwudiwe MD and Valerie D. Callender MD</p><p> </p><p>23. Post-Adolescent Female Acne</p><p>Gillian Heinecke BS and Diane Berson MD</p><p> </p><p>24. SAPHO Syndrome</p><p>Caroline L LaRosa BS and Andrea L Zaenglein MD</p><p> </p><p> </p><p>Section 4: Genetic Syndromes Mimicking Acne Vulgaris</p><p> </p><p>25. Apert Syndrome</p><p>Yasser Albahrani MD and Joshua A Zeichner MD</p><p> </p><p>26. Birt Hogg Dube Syndrome</p><p>Kristina Goldenberg MD and Gary Goldenberg MD</p><p> </p><p>27. Brooke Spiegler Syndrome</p><p>Bradley Glodny MD and Joshua A Zeichner MD</p><p> </p><p>28. Cowden Syndrome </p><p>Rita V Linkner MD and Joshua A Zeichner MD</p><p> </p><p>29. Gardner Syndrome</p><p>Alexandra Golant MD and Joshua A Zeichner MD</p><p> </p><p>30. Gorlin Syndrome</p><p>Madelaine Haddican MD and James Spencer MD</p><p> </p><p>31. Muir Torre Syndrome</p><p>Adam Luber BA and Joshua A Zeichner MD</p><p> </p><p>32. Reed Syndrome</p><p>Kristen Pacific BA and Jason Emer MD</p><p> </p><p>33. Tuberous Sclerosis</p><p>Omar Pacha MD and Adelaide Hebert MD</p><p> </p><p> </p><p>Section 5: Other Mimickers of Acne Vulgaris</p><p> </p><p>34. Acne Scarring</p><p>Neal Bhatia MD, Consuelo Vera David MD, Salar Hazany MD, and Aman Samrao MD</p><p> </p><p>35. Eosinophilic Pustular Folliculitis</p><p>Joy Makdisi BS and Adam Friedman MD</p><p> </p><p>36. Favre Racouchot </p><p>Silvina Pugliese MD, Andrea Smith MD, Rachel Epstein DO, and Abel Torres MD</p><p> </p><p>37. Hidradenitis Suppurativa</p><p>Deanna M. Sikorski MD and Kenneth J. Tomecki MD</p><p> </p><p>38. Perioral Dermatitis</p><p>Bryan Gammon MD and Bethanee J. Schlosser MD PhD</p><p> </p><p>39. Photocontact Dermatitis</p><p>Nicholas Gulati MD and Emma Guttman MD PHD</p><p> </p><p>40. Postinflammatory Pigmetnation</p><p>Rajiv I. Nijhawan BA and Andrew F. Alexis MD MPH</p><p> </p><p>41. Pseudofolliculitis Barbae</p><p>Angela Lamb MD</p><p> </p><p>42. Pustular Psoriasis</p><p>Sebastian G Bernardo BA and Mark Lebwohl MD</p><p> </p><p>43. Rosacea</p><p>Joseph Bikowski MD</p><p> </p><p>44. Rosacea Fulminans</p><p>Cristina Caridi BA and Joshua A Zeichner</p><p> </p><p>45. Sarcoidosis</p><p>Laura Thornsberry MD and Joseph English MD</p><p> </p><p>46. Seborrheic Dermatitis</p><p>Elizabeth Farhat MD and Linda Stein Gold MD</p><p> </p><p>47. Steatocystoma Multiplex</p><p>Alejandra Vivas MD and Jonette Keri MD PhD</p><p> </p><p>48. Xanthomas</p><p>Libby Rhee DO and Mark D Kaufmann MD</p><p> </p><p> </p><p>Section 6: Pediatric Dermatoses Mimicking Acne</p><p> </p><p>49. Periorifical Granulomatous Dermatitis</p><p>Jacquelyn Levin DO, James Del Rosso, DO, and Richard Miller DO</p><p> </p><p>50. Keratosis Pilaris Atrophicans</p><p>Omar Pacha MD and Adelaide Hebert MD</p><p> </p><p>51. Neonatal and Infantile Acne</p><p>Hilary Baldwin MD</p><p> </p><p>52. Papular Granuloma Annulare</p><p>Rebecca Smith MD </p><p> </p><p>53. Precocious Puberty</p><p>Maria Miyar MD and Moise Levy MD</p><p> </p><p> </p><p>Section 7: Drug Induced Acneiform Eruptions</p><p> </p><p>54. Drug Induced Acneiform Eruptions</p><p>Ha K. Do MD, Navid Ezra MD, and Stephen E. Wolverton MD</p><p></p>