PRE-EXISTING

\pɹˈiːɛɡzˈɪstɪŋ], \pɹˈiːɛɡzˈɪstɪŋ], \p_ɹ_ˈiː__ɛ_ɡ_z_ˈɪ_s_t_ɪ_ŋ]\
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2006 - WordNet 3.0
By Princeton University
 
1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

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MEN IIa

  • type multiple endocrine neoplasia characterized by virtually 100% incidence medullary thyroid carcinoma, a 50% pheochromocytoma, and lesser adenomas associated hyperparathyroidism. condition always transmitted through autosomal dominant inheritance. Genetic testing can identify individuals with the trait in early infancy. Treatment is usually excision of enlarged parathyroid glands. (From Holland et al., Cancer Medicine, 3d ed, pp1172-75)
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