| 释义 |
‖ melanoma Path.|mɛləˈnəʊmə|
Pl. melanomata |mɛləˈnəʊmətə|.
[mod.L., a. Gr. type µελάνωµα (occurring in late Gr. with the sense ‘blackness’), f. µελανοῦσθαι: see melanosis, and cf. carcinoma and other names for kinds of cancerous or morbid growths.]
A melanotic growth; esp. a tumour consisting largely of black pigment.
183.Carswell Path. Anat., Melanoma 1, I include under the title of Melanoma all melanotic formations, black discolourations or products, described by Laennec and other authors. 1847–9Todd's Cycl. Anat. IV. 128/2 Growths, more or less deeply tinged by [melanic cell-pigment], have been distinguished..under the title of Melanotic Tumours or Melanomata. 1875H. Walton Dis. Eye (ed. 3) 1006 Simple benign pigmented tumour of the iris, melanoma. 1876tr. Wagner's Gen. Path. (ed. 6) 316 Pure pigment tumors or melanomata. 1877tr. H. von Ziemssen's Cycl. Med. XII. 235 Melanoma is a very rare pigmented tumour.
Delete ‖ and add: Pl. also melanomas. Also, the condition of having a melanoma or melanomas. (Further examples.)
1916Ann. Surg. LXIV. 215 The great majority of melanomas have their origin in a pigmented mole. 1920N.Y. Med. Jrnl. CXII. 252/1 (heading) Report of a case of melanoma. 1959S. Duke-Elder Parsons' Dis. Eye (ed. 13) xxv. 376 Malignant melanoma is the only neoplasm of importance met with in the iris. 1977National Observer (U.S.) 15 Jan. 6/3 The 21-year-old Roth thinks so despite a flare up of melanoma, a type of cancer that caused him to have an operation 2½ years ago. 1987Oxf. Textbk. Med. (ed. 2) II. xx. 79/2 In general, sunlight exposure accounts for the incidence of malignant melanoma in white skins. |