Rithi John Chandy, MD, MS is a PGY-1 resident at AdventHealth Redmond in Rome, Georgia. He earned a Bachelor of Science degree in neuroscience from Duke University and a Master of Science degree in biotechnology from Johns Hopkins University. Prior to residency, he completed a dermatology research fellowship under the guidance of Steven R. Feldman, MD, PhD, Department of Dermatology at the Wake Forest University School of Medicine. Rima I. Ghamrawi, DO is a PGY-2 resident at Brookwood Baptist Health in Birmingham, Alabama. Prior to residency, she completed a dermatology research fellowship under the guidance of Steven R. Feldman, MD, PhD, Department of Dermatology at the Wake Forest University School of Medicine, during which she authored numerous publications. Veronica Emmerich, MD is a researcher at the Medical University of South Carolina Department of Dermatology in Charleston, South Carolina. Prior to residency, she completed a dermatology research fellowship under the guidance of Steven R. Feldman, MD PhD, Department of Dermatology at the Wake Forest University School of Medicine.Courtney E. Heron MD is a PGY-2 resident at Henry Ford Health Department of Dermatology in Detroit, Michigan. Prior to residency, she completed a dermatology research fellowship under the guidance of Steven R. Feldman, MD PhD, Department of Dermatology at the Wake Forest University School of Medicine.Steven R. Feldman MD, PhD is a Professor of Dermatology, Pathology, and Social Sciences & Health Policy and Director of the Department of Dermatology at the Wake Forest University School of Medicine. He is the author of several other texts such as Practical Ways to Improve Patient Adherence, second edition (2023).William W. Huang, MD, MPH was an Associate Professor of Dermatology at the Wake Forest University School of Medicine. He is the editor of other texts such as Dermatology: Illustrated Clinical Cases (2016).

• Preface.List of Contributors.Acknowledgments.1. Comedones and inflammatory papules on the face. 2. Red gritty spots. 3. Itchy red rash on elbows and back of knees. 4. Soft subcutaneous nodule with central dark punctum. 5. Asymmetric brown to black variegated macule with irregular borders. 6. Erythematous excoriated pruritic papules. 7. Hypopigmented coalescing oval shaped macules with fine scaling. 8. Scaly annular lesions. 9. Red and tan macules and patches. 10. Patches of hair loss. 11. Diffuse erythematous patches and plaques with mild lichenification. 12. Itchy red spots on torso and arms. 13. Well-defined chalky white macules and patches. 14. Red scaly spots. 15. Painful erythematous nodules.Index.