FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term primary syphilis ID (Ontology) DOID:4156 (Human Disease)
Definition A syphilis that is the first stage of syphilis, marked by the development of a chancre, which is characterized by mononuclear leukocytic infiltration, macrophages, and lymphocytes.
Also Known As "early symptomatic syphilis" ; "early syphilis, symptomatic" ; "Symptomatic early syphilis"
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  primary bacterial infectious disease
   |__syphilis
       |__primary syphilis
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Synonyms
  • "early symptomatic syphilis" EXACT
    "early syphilis, symptomatic" EXACT
    "Symptomatic early syphilis" EXACT
Secondary IDs
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ICD9CM:091
SNOMEDCT_US_2023_03_01:186846005
UMLS_CUI:C0153139