Pemphigus vulgaris is a rare, potentially fatal, autoimmune blistering disease of the skin and mucous membranes. Treatment of this disease is problematic because of a lack of high-grade, evidence-based recommendations, the side-effect profiles of the therapies available, and the extensive supportive care that afflicted patients require. The authors present the unfortunate course of a patient with severe pemphigus vulgaris who was admitted to the U.S. Army Institute of Surgical Research Burn Center, to demonstrate the potential complications of therapy. Given the patient's complex course, the authors reviewed the literature and share in this article the most up-to-date treatment recommendations for patients with pemphigus vulgaris. The authors' review of the literature supports using conventional therapy consisting of high-dose corticosteroids and an adjuvant immunosuppressant for mild to moderate cases of pemphigus vulgaris. The immunosuppresants recommended are mycophenolate mofetil, azathioprine, and cyclophosphamide, in order of preference, based on their side-effect profiles and steroid-sparing effects. For severe or recalcitrant cases of pemphigus vulgaris, the authors recommend adding rituximab as early as possible. If increased risk of infection is of particular concern, the use of intravenous immunoglobulin in place of rituximab is advised.
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http://dx.doi.org/10.1097/BCR.0000000000000049 | DOI Listing |
Cureus
November 2024
Dermatology, Amiri Hospital, Ministry of Health, Kuwait City, KWT.
Pemphigus foliaceus (PF) is an autoimmune blistering disease characterized by the disruption of the epidermal cell adhesion protein desmoglein 1 (DsG1). PF classically presents with superficial erosions or blisters, but can rarely mimic other dermatological conditions, which makes diagnosis challenging. We report the case of a 57-year-old Sri Lankan man with a one-month history of widespread ichthyosis-like plaques and scales which started on his scalp and progressed in a cranio-caudal fashion and were associated with pruritus and few blisters.
View Article and Find Full Text PDFDermatopathology (Basel)
December 2024
Department of Pathology, University of Virginia, Charlottesville, VA 22903, USA.
The diagnostic utility of immunohistochemistry on paraffin-embedded sections in bullous disorders is useful when frozen tissue is not available. In pemphigus vulgaris and pemphigus foliaceus, an intercellular lace-like staining pattern of IgG4 on lesional tissue by immunohistochemistry has been described, with a comparable sensitivity and specificity to direct immunofluorescence on perilesional tissue. This study aimed to evaluate the staining pattern of IgG4 in non-immunobullous disorders to highlight the potential pitfalls when using this stain.
View Article and Find Full Text PDFAntibodies (Basel)
December 2024
Autoimmune Blistering Dermatoses Section, Department of Dermatology, Poznan University of Medical Sciences, 61701 Poznan, Poland.
Background/objectives: Pemphigus comprises a diverse group of disorders within the autoimmune bullous dermatoses (AIBDs) spectrum. Among these, pemphigus vulgaris (PV) and pemphigus foliaceus (PF) are the most commonly encountered variants. Despite its rarity, this condition can pose a life-threatening risk.
View Article and Find Full Text PDFCureus
November 2024
Dermatology, Hospital Dr. Nélio Mendonça, Serviço de Saúde da Região Autónoma da Madeira (SESARAM), Funchal, PRT.
This case report highlights the efficacy of rituximab (RTX), a monoclonal antibody that targets B-lymphocytes, in the treatment of severe pemphigus vulgaris (PV) that was unresponsive to multiple conventional therapies. A 44-year-old female presented with mucocutaneous lesions that had been progressing for 12 months, with a Pemphigus Disease and Area Index (PDAI) total activity score of 66, indicating severe disease. The patient received two infusions of RTX two weeks apart, without complications.
View Article and Find Full Text PDFVet Clin North Am Small Anim Pract
December 2024
Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA.
Pemphigus foliaceus (PF) is one of the most common autoimmune skin diseases of dogs and cats and is characterized by the development of pustules, crusts, erosions, scales, and alopecia. Albeit poorly understood, the pathophysiology of canine and feline PF appears to involve immune dysregulation and immunoglobulin G autoantibodies that are directed against the keratinocyte cell surface. At present, the management of canine and feline PF relies on the long-term to lifelong prescription of immunosuppressive medications.
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