Advanced Breakout - Patterns in Red and Purple: Decoding Vasculitis in the Skin

Advanced Breakout - Patterns in Red and Purple: Decoding Vasculitis in the Skin

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Recorded On: 11/08/2025

Only available as part of a package

1.0 AAPA Category 1 CME credit

This session will explore the clinical and histopathologic hallmarks of cutaneous vasculitis, emphasizing pattern recognition and correlation with underlying systemic disease. The session will highlight a structured approach to diagnosis, including when to biopsy, how to interpret key histologic findings, and how to order appropriate laboratory workup. Attendees will learn to distinguish mimickers of vasculitis and apply evidence-based strategies to guide management.

At the conclusion of the session, participants will be able to:

  • Recognize the clinical and histopathologic features that define and differentiate types of cutaneous vasculitis;
  • Develop an algorithmic approach to evaluating suspected vasculitis, including appropriate biopsy technique and laboratory assessment;
  • Distinguish vasculitis from its mimickers and apply targeted treatment strategies based on disease severity and systemic involvement.

Harrison Nguyen, MD, MBA, MPH, FAAD

Managing Director

Harrison Dermatology & Research Group

Dr. Harrison P. Nguyen, MD, MBA, MPH, DTM&H, FAAD, is an award-winning, Ivy-league educated and trained double board-certified dermatologist and fellowship-trained Mohs micrographic surgeon, proudly serving the Missouri City and Houston area. As the Managing Director of Harrison Dermatology & Research Group, he brings a unique blend of medical expertise, academic leadership, and innovative skin care solutions to patients seeking exceptional dermatologic care.

An NIH-funded clinical researcher and respected educator, Dr. Nguyen also serves as a Clinical Assistant Professor of Dermatology and Health Economics at the University of Houston College of Medicine. His dedication to advancing dermatology through both patient care and policy leadership distinguishes him as a trusted name in the field.

Dr. Nguyen graduated with honors from Rice University, where he also played as an All-Conference Linebacker for the Rice Owls Football Team. He earned his medical degree from Baylor College of Medicine, an MBA from Yale School of Management, an MPH from Yale School of Public Health, and a DTM&H from the National School of Tropical Medicine.  He then completed Dermatology Residency at Emory University School of Medicine, where he served as Chief Resident, followed by a rigorous Advanced Fellowship in Mohs Micrographic Surgery and Facial Plastic and Reconstructive Surgery at the University of Pennsylvania.  He is one of the first physicians to achieve double board-certification in both dermatology and Mohs micrographic surgery, and his training background is uniquely cross-pollinated with integrated training in Mohs micrographic surgery, facial plastic surgery, oculoplastic surgery, dermatologic surgery, and general plastic surgery.

In addition to leading patient care at Harrison Dermatology, Dr. Nguyen serves on the Editorial Boards of the Journal of Clinical and Aesthetic Dermatology and the Journal of Cutaneous Medicine, and has authored over 100 peer-reviewed scientific publications. He also leads the Health Policy Research Group for the American Academy of Dermatology and has been a Visiting Professor at prestigious institutions including Oregon Health & Science University and Baylor College of Medicine.  

When he’s not in clinic or teaching in the classroom, Dr. Nguyen enjoys fitness training, boxing, and Latin dance—especially salsa and bachata. A lifelong athlete, he remains an enthusiastic football fan.

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