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PRE-EXISTING
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Existing previously or before something
Example:
variations on pre-existent musical themes
Synonyms:
pre-existent; pre-existing; preexistent; preexisting
Classified under:
Similar:
antecedent (preceding in time or order)
II. (verb)
Sense 1
-ing form of the verb pre-exist
Context examples:
This condition usually occurs in persons with pre-existing cardiac abnormalities or disease.
(Non-Sudden Cardiac Death, NCI Thesaurus)
A rare melanoma which develops in a pre-existing blue nevus.
(Melanoma Arising from Blue Nevus, NCI Thesaurus)
A vascular lesion in the papillary dermis resulting from ectasia of pre-existing vessels.
(Angiokeratoma, NCI Thesaurus)
A sarcomatous transformation of pre-existing Paget disease of the bone.
(Osteosarcoma Arising in Paget Disease of Bone, NCI Thesaurus)
A carcinoma arising in a pre-existing pleomorphic adenoma.
(Carcinoma ex Pleomorphic Adenoma, NCI Thesaurus)
C. hominis is commensal in the human nasal flora, but is associated with culture negative endocarditis after a dental procedure, especially in those with a pre-existing heart valve disorder or a prosthetic valve.
(Cardiobacterium hominis, NCI Thesaurus)
It may arise de novo or as a malignant transformation of a pre-existing poroma.
(Eccrine Porocarcinoma, NCI Thesaurus)
A very rare ameloblastic carcinoma that originates from a pre-existing intraosseous benign ameloblastoma.
(Ameloblastic Carcinoma-Secondary Type (Dedifferentiated), Intraosseous, NCI Thesaurus)
A very rare ameloblastic carcinoma that originates from a pre-existing extraosseous benign ameloblastoma.
(Ameloblastic Carcinoma-Secondary Type (Dedifferentiated), Peripheral, NCI Thesaurus)
For the latter group, the team measured pre-existing HA stem antibody levels with an enzyme-linked immunosorbent assay (ELISA) blood test and obtained additional blood samples 30 to 45 days later.
(New study reveals a novel indicator of influenza immunity, National Institutes of Health)
