Acquired Angioedema Due to C1 Inhibitor Deficiency Differential Diagnoses

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Amanda T Moon, MD Clinical Assistant Professor of Dermatology, Children's Hospital of Philadelphia

Amanda T Moon, MD is a member of the following medical societies: American Academy of Dermatology, Society for Pediatric Dermatology, Women's Dermatologic Society

Disclosure: Nothing to disclose.

Melody Esmaeili MD Candidate, Perelman School of Medicine at the University of Pennsylvania

Disclosure: Nothing to disclose.

Ru'aa Al Harithy, MBBS, FRCPC Clinical Fellow in Laser and Cosmetic Dermatology, Division of Dermatology, SunnyBrook Hospital, University of Toronto Faculty of Medicine, Canada

Ru'aa Al Harithy, MBBS, FRCPC is a member of the following medical societies: American Academy of Dermatology, Canadian Dermatology Association

Disclosure: Nothing to disclose.

Warren R Heymann, MD Head, Division of Dermatology, Professor, Department of Internal Medicine, Rutgers New Jersey Medical School

Warren R Heymann, MD is a member of the following medical societies: American Academy of Dermatology, American Society of Dermatopathology, Society for Investigative Dermatology

Disclosure: Nothing to disclose.

William D James, MD Paul R Gross Professor of Dermatology, Vice-Chairman, Residency Program Director, Department of Dermatology, University of Pennsylvania School of Medicine

William D James, MD is a member of the following medical societies: American Academy of Dermatology, Society for Investigative Dermatology

Disclosure: Received income in an amount equal to or greater than $250 from: Elsevier; WebMD<br/>Served as a speaker for various universities, dermatology societies, and dermatology departments.

Paul Krusinski, MD Director of Dermatology, Fletcher Allen Health Care; Professor, Department of Internal Medicine, University of Vermont College of Medicine

Paul Krusinski, MD is a member of the following medical societies: American Academy of Dermatology, American College of Physicians, and Society for Investigative Dermatology

Disclosure: Nothing to disclose.

Kathleen M Rossy, MD Staff Physician, Department of Dermatology, New York Medical College, Metropolitan Hospital

Disclosure: Nothing to disclose.

Robert A Schwartz, MD, MPH Professor and Head, Dermatology, Professor of Pathology, Pediatrics, Medicine, and Preventive Medicine and Community Health, University of Medicine and Dentistry of New Jersey-New Jersey Medical School

Robert A Schwartz, MD, MPH is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, American College of Physicians, and Sigma Xi

Disclosure: Nothing to disclose.

Michael J Wells, MD Associate Professor, Department of Dermatology, Texas Tech University Health Sciences Center, Paul L Foster School of Medicine

Michael J Wells, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, American Medical Association, and Texas Medical Association

Disclosure: Nothing to disclose.

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