单词 | mastocytosis |
释义 | mastocytosisn. Pathology. The abnormal proliferation of mast cells at one or more sites in the body; any of several syndromes characterized by this.Mastocytosis is most commonly limited to the skin, classically manifesting as urticaria pigmentosa. ΚΠ 1957 A.M.A. Arch. Dermatol. 76 493/1 The name mastocytosis to cover all varieties is a better designation than urticaria pigmentosa. 1966 Lancet 31 Dec. 1457/2 The mastocytosis is characteristic of the precancerous phase and must in some way be related to it. 1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) II. xx. 87/2 In the infant, mastocytosis may present as blisters but more commonly the lightly pigmented swellings in the skin are..observed to swell when scratched or after a hot bath or exercise. 1999 Ann. Hematol. 78 97 Systemic mastocytosis is a rare condition characterized clinically by the local consequences of vasoactive peptides released from infiltrating mast cells in the reticuloendothelial tissues. This is a new entry (OED Third Edition, March 2001; most recently modified version published online March 2022). < n.1957 |
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