Disorders with the suffix "-itis" (e.g. cystitis, prostatitis, tonsillitis, appendicitis) are often infectious as well as inflammatory in nature.
For inflammatory conditions whose FSNs specify an infective cause, the modeling should include:
- |Causative agent (attribute)| with the specified organism
- |Pathological process (attribute)| with the type of infectious process
- |Associated morphology (attribute)| with Inflammatory morphology or subtype
- |Finding site (attribute)| with a body structure when known
For inflammatory conditions whose FSNs do not specify an infective cause, an infectious cause should neither be assumed nor modeled when the FSN does not specify it. The modeling would then exclude a Causative agent and Pathological process and should include only:
- |Associated morphology (attribute)| of Inflammatory morphology or subtype
- |Finding site (attribute)| with a body structure when known
Example of inflammatory and infectious disorder,
441551009 |Inflammation of larynx caused by virus (disorder)| (synonym, Viral laryngitis) includes a |Causative agent (attribute)| of |Virus (organism)| and a |Pathological process (attribute)| of |Infectious process (qualifier value)|.
Figure 1: Stated view of 441551009 |Inflammation of larynx caused by virus (disorder)|
Example of inflammatory disorder not specified as infectious,
446292002 |Necrotizing inflammation of lymph node (disorder)| (synonym, Necrotizing lymphadenitis) does not specify an infective cause, so it is neither modeled with Causative agent nor Pathological process. The model contains an |Associated morphology (attribute)| and a |Finding site (attribute)|.
Figure 2: Stated view of 446292002 |Necrotizing inflammation of lymph node (disorder)|
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