Source:http://linkedlifedata.com/resource/umls/id/C1627773
AOT: A palpable change in tissues from skin to periarticular structures that represents any combination of the following signs: vasodilation, edema, flaccidity, hypertonicity, contracture, fibrosis, as well as the following symptoms: itching, pain, tenderness, paresthesias. Types of TTA's include: bogginess, thickening, stringiness, ropiness, firmness (hardening), increased/decreased temperature and/or increased/decreased moisture.