In-transit metastases are described in 31 patients, of whom the majority was immunocompetent. The scalp, forehead, and temple were the most common sites. New clinical and histological diagnostic criteria are proposed. Prognosis was poor with 5-year survival of 13%. Recommended management is a combination of surgery and adjuvant radiotherapy. Reduction of any iatrogenic immunosuppression should be considered.
Flii is a novel target involved in psoriasiform dermatitis and reducing cutaneous Flii could potentially be a new approach for treating patients with psoriasis.
We present three patients with azathioprine-induced Sweet's syndrome (AISS) who attended our tertiary institution within a 12-month period. Established associations exist between Sweet's syndrome and some medications; however, to date links to azathioprine are tentative. While there are case reports of AISS, most have occurred in patients with inflammatory bowel disease (IBD), an underlying predisposition for Sweet's syndrome. Our case series adds to the evidence that the entity of AISS truly exists independent of confounding factors such as concurrent IBD.
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