Pyoderma gangrenosum (PG) is a neutrophilic dermatosis of unknown origin. Clinically it starts with a pustule, nodule or bulla that rapidly progresses and turns into a painful ulcer with raised, undermined borders. The etiopathogenesis of PG remains unknown. However it is frequently associated with systemic diseases such as inflammatory bowel disease (IBD), haematological disorders or arthritis. The latest multicentric retrospective analysis published by Ghazal et al. shows that anaemia has been observed very often in German patients suffering from PG (in 45.6% of 259) so this disorder is supposed to be a possible cofactor in the pathogenesis of PG. According to its progressive course, patients require intensive diagnostic procedures and rapid initiation of the treatment. In this article, we report a case of bullous pyoderma gangrenosum in association with pancytopenia of unknown origin, according to its diagnostic and therapeutic difficulties.
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http://dx.doi.org/10.5114/pdia.2014.40980 | DOI Listing |
JAAD Case Rep
January 2025
Department of Dermatology, Loma Linda University Health, Loma Linda, California.
Am J Dermatopathol
December 2024
Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI.
Pyoderma gangrenosum (PG) is a rare inflammatory neutrophilic dermatosis that is difficult to diagnose due to non-specific clinical, laboratory, and histopathologic features. Distinguishing pseudoepitheliomatous hyperplasia (PEH) from squamous cell carcinoma (SCC) is also histopathologically challenging. The connection between PEH and PG is not well recognized, and instances of PG mimicking SCC are rare.
View Article and Find Full Text PDFBiomolecules
November 2024
Dermatology Unit, Department of Medicine (DIMED), University of Padua, 35121 Padova, Italy.
Neutrophil-mediated inflammation is a key feature of immune-mediated chronic skin disorders, but the mechanistic understanding of neutrophil involvement in these conditions remains incomplete. Dapsone, colchicine, and tetracyclines are established drugs within the dermatologist's therapeutic armamentarium that are credited with potent anti-neutrophilic effects. Anti-neutrophilic drugs have established themselves as versatile agents in the treatment of a wide range of dermatological conditions.
View Article and Find Full Text PDFArch Dermatol Res
January 2025
Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
SAGE Open Med Case Rep
January 2025
Memorial University of Newfoundland, St. John's, NL, Canada.
Erosive pustular dermatosis is a rare and chronic inflammatory condition of the scalp which can be mistaken for cutaneous malignancy, precancerous lesions, dermatitis or pyoderma gangrenosum. The recurrent and resistant characteristics of erosive pustular dermatosis of the scalp pose a challenge to successful management and remission of the condition. The purpose of this case report is to provide management options and treatment recommendations for refractory cases of erosive pustular dermatosis of the scalp.
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