Hypereosinophilic syndrome (HES) is a rare haematologic disorder characterised by unexplained, persistent eosinophilia with organ involvement. We report the case of a 74-year-old patient who presented with a pemphigoid-like bullous rash as the only manifestation of an HES. This report highlights the importance of the dermatological manifestations of this potentially life-threating condition that may initially present as a skin-limited disease. Bullous pemphigoid (BP) is a very common autoimmune blistering dermatosis that may share common clinical and histological features or associate with an HES. HES should be considered when patients diagnosed with BP demonstrate atypical course under corticosteroids and/or recalcitrant blood eosinophilia.
Follicular psoriasis is an uncommon diagnosis and probably the least well-known subtype of psoriasis. Hence, we report the clinical and histological findings of follicular psoriasis in one patient to raise awareness of this rare entity.
Sir, Methotrexate is an antimetabolite commonly used in dermatology for inflammatory and autoimmune diseases, including psoriasis. Malabsorption secondary to treatment with methotrexate after its use in high doses and/or long-term has been described in the literature. However, only several cases of a sprue-like disease secondary to a low dose of methotrexate have been described. Herein, we report an exceptional case of a sprue-like disease after a single dose of methotrexate. A 43-year-old female was admitted to our department with psoriatic erythroderma (Figs. 1a and 1b). Treatment with MTX was administered at a dose of 12.5 mg/week as well as folic acid supplements. Three days later, the patient developed bilateral leg edema, associated with biological malabsorption syndrome (hypoalbuminemia at 19 g/L, hypocholesterolemia at 0.98 g/L, prothrombin time at 45%, blood glucose at the lower limit of 0.7 g/L, and normocytic normochromic anemia at 9.4 g/dL). A duodenal biopsy performed three weeks later revealed no villous atrophy (Fig. 2). The discontinuation of methotrexate led to the disappearance of the leg edema and the progressive correction of biological parameters.
A three-year-old female, from a non-consanguineous marriage, with no particular antecedent, presented with non-pruritic desquamation of the lateral edges of the hands and feet evolving for the last several months, without associated functional signs. No family member was reported to suffer from the same physical condition.
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