Sweet syndrome (SS) is an acute febrile neutrophilic dermatosis. Although perceived to be rare, the disease may well have been underreported due to lack of exposure in low-volume clinical settings and due to the use of rather strict clinical criteria for diagnosis. It presents as cutaneous papules, plaques, or nodules in an asymmetric distribution that follows fever and flu-like symptoms. Data on the disease is ever-expanding. Several associations have been identified, including drugs, infections, malignancies, and autoimmune diseases. Different disease patterns and histological variants have been identified. Pathophysiology is complex and multifactorial but appears to involve mechanisms that negatively influence neutrophil apoptosis and facilitate neutrophil recruitment. The existing diagnostic criteria exclude cases with vasculitis; over time, cases of neutrophilic dermatoses with vasculitis have been reported as SS as long as other criteria were met. Newer diagnostic models have been proposed, some arguing against the exclusion of vasculitis. Steroids continue to be the mainstay of treatment, and steroid responsiveness continues to be a part of the diagnostic criteria, although newer treatment modalities have been used and have shown promise. No established guidelines exist for management. We present a case of Idiopathic SS with vasculitis along with a brief review of the existing literature. We agree to the inclusion of vasculitis as proposed by the newer diagnostic criteria.
Tag: Sweet's syndrome
Scientific corner
Sweet Syndrome With Vasculitis: Time To Adopt a New Criteria?
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A case report on cotrimoxazole-induced Sweet syndrome – a dermatological dilemma
SA Pharmaceutical Journal 90, 51, 2023
Sweet syndrome (SS) is an uncommon auto-inflammatory disorder presenting with acute pyrexia, leucocytosis and erythematous skin lesions with dense neutrophilic dermal infiltration. SS is seen as adverse reaction to some drugs, microbes and is associated with certain myeloproliferative or haematological neoplasms and is also seen with autoimmune diseases like inflammatory bowel disease, systemic lupus erythematosus, rheumatoid arthritis, etc. A female aged 43 years, came to the hospital with high fever and erythematous, pus-filled plaques and nodules on her face, neck, shoulders and extremities, after taking cotrimoxazole (antibacterial agent) in tablet form 480 mg twice daily for five days for urinary tract infection. The diagnosis of SS was arrived upon from the biopsy reports showing predominant neutrophilic infiltrate, and relevant laboratory tests. Treatment included oral prednisone (corticosteroid) and the symptoms resolved in two months.
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Use of granulocyte and monocyte adsorption apheresis in dermatology (Review)
Exp Ther Med 2022 Jun 24;24(2):536. doi: 10.3892/etm.2022.11463. eCollection 2022 Aug. DOI: 10.3892/etm.2022.11463
Adsorptive granulocyte and monocyte apheresis (GMA) is an extracorporeal treatment that selectively removes activated myeloid lineage leukocytes from peripheral blood. This technique consists of a column with cellulose acetate beads as absorptive leukocytapheresis carriers, and was initially used to treat ulcerative colitis. A literature search was conducted to extract recently published studies about the clinical efficacy of GMA in patients with different skin disorders, reporting information on demographics, clinical symptoms, treatment and clinical course. Dermatological diseases, in which GMA has been performed, include generalized pustular psoriasis, pyoderma gangrenosum, palmoplantar pustular psoriasis, Behcet’s disease, Sweet’s syndrome, adult-onset Still’s disease, impetigo herpetiformis, reactive arthritis, acne and hidradenitis suppurativa syndrome, cutaneous allergic vasculitis and systemic lupus erythematosus. In most patients, GMA was started after the failure of conventional therapeutic options and it was helpful in the majority of cases. Based on the information summarized, GMA could be considered a valid non-pharmacological treatment option for patients with several dermatological conditions, which are difficult to treat with other pharmacological preparations.
PASH syndrome; cutaneous allergic vasculitis; granulocyte and monocyte apheresis; neutrophilic dermatoses; reactive arthritis; systemic lupus erythematosus.
Scientific corner
Sweet’s Syndrome Successfully Treated with Granulocyte and Monocyte Adsorption Apheresis.
Asami Fujii 1, Yoko Mizutani 1, Yuki Hattori 1, Tomoko Takahashi 1, Hidenori Ohnishi 2, Shozo Yoshida 3, Mariko Seishima 1 , Case Rep Dermatol. 2017 May 22;9(2):13-18.
After the first session of GMA therapy, all symptoms including the erythematous lesions and fever were completely resolved, and serum G-CSF level was reduced. Leukocyte count, neutrophil count, serum amyloid A protein, and CRP levels were restored within normal ranges by 2 weeks. Thus, GMA therapy can successfully treat a patient with recurrent Sweet’s syndrome, potentially related to the restoration of elevated serum G-CSF levels.
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