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Pyoderma gangrenosum of the breast: a rare but significant cause of breast ulceration.
ANZ J Surg
December 2024
Breast & Endocrine Surgical Unit, Royal Adelaide Hospital, Port Road, Adelaide, South Australia, 5000, Australia.
Systemic ketamine toxicity following dermal application of a compounded pain cream.
Am J Emerg Med
December 2024
Cook County Health, Chicago, IL, USA.
Ketamine is an NMDA receptor antagonist commonly used as a dissociative anesthetic and analgesic. Though it is conventionally administered via the intravenous, intramuscular, or intranasal route, use as a compounded analgesic cream is becoming increasingly common. This is a case report of a 61-year-old man who was detained by the police for erratic driving.
View Article and Find Full Text PDFUpdates in innovation of the treatment of pyoderma gangrenosum.
Expert Rev Clin Pharmacol
December 2024
Department of Dermatology, Oregon Health and Science University, Portland, OR, USA.
Introduction: Pyoderma gangrenosum (PG) is a rare neutrophilic dermatosis characterized by rapidly enlarging, painful ulcers with undermined borders. The management of PG is challenging due to the lack of standardized evidence-based treatments.
Areas Covered: This review examines recent efforts to establish standardized outcomes for clinical trials to facilitate the drug development process for PG.
Insights into the Pathogenesis of Pyoderma Gangrenosum.
J Invest Dermatol
December 2024
Department of Dermatology, Oregon Health and Science University, Portland, Oregon, USA. Electronic address:
Pyoderma gangrenosum (PG) is a neutrophilic dermatosis of unclear etiology. Numerous theories of its underlying pathogenesis have been proposed, including external triggers, neutrophilic dysfunction, complement activation, and autoimmunity, as well as a possible component of underlying genetic susceptibility. This review seeks to synthesize current understanding of the pathogenesis of PG and integrate interactions between the multitude of implicated host immune pathways to guide and inform future directions into the treatment of PG.
View Article and Find Full Text PDFRecurrent aseptic abscesses resulting in superficial pyoderma gangrenosum-like ulcers in a patient with granulomatosis with polyangiitis.
Dermatol Online J
October 2024
Department of Dermatology, Fukushima Medical University, Fukushima, Japan.
Patients with granulomatosis with polyangiitis occasionally present with cutaneous manifestations, which are important clues for the early diagnosis. Although pyoderma gangrenosum-like ulcers are rarely observed, a unique case with unusual clinical features is presented herein. A 75-year-old woman with positive proteinase 3-antineutrophil cytoplasmic antibody (PR3-ANCA) repeatedly developed aseptic abscesses on the abdomen, buttock, lower legs, and forearms.
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