Mastocytosis (M) represents a heterogeneous disease characterized by increased accumulation and clonal proliferation of mast cells in the skin and/or different organs. Broadly, M is classified into two categories: cutaneous mastocytosis (CM) and systemic mastocytosis (SM). In children, CM is the most frequent form, but the lesions differ in clinical forms. We present a clinical case of a boy of 1 year and 4 months, who at 4 months of age after a severe allergic reaction was diagnosed with a solitary mastocytoma, confirmed by skin biopsy. Mastocytoma was noticed by the parents 4 days after birth. The patient has elevated levels of histamine and serum tryptase. Genetic marker KIT D816V in the blood is negative.Children often suffer from mast cell mediator-related symptoms. Severe hypersensitivity reactions can also occur, mostly in patients with extensive skin lesions and blistering. The evaluation of the pediatric patient with CM usually comprises laboratory exams, a skin biopsy and a complete clinical evaluation. It is also defining to distinguish between CM and other diseases with cutaneous involvement. The management of CM in childhood is mainly based on strict avoidance of triggers. The available cures are oral H1 and/or H2 antihistamines, oral cromolyn sodium, photochemotherapy, potent dermatocorticoid, calcineurin inhibitors and equipment of patients and their families with adrenaline autoinjector for use in severe anaphylactic reactions. In children, the prognosis of CM is excellent and in the majority of the cases the skin lesions regress spontaneously around puberty. Тhe heterogeneous symptoms of the various subvariants of mastocytosis require multidisciplinary cooperation and comprehensive care. Read the full article here.
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