AskDefine | Define idiopathic

Dictionary Definition

idiopathic adj : (of diseases) arising from an unknown cause; "idiopathic epilepsy"

User Contributed Dictionary

English

Adjective

  1. Of, relating to, or designating a disease having no known cause.

Extensive Definition

Idiopathic is an adjective used primarily in medicine meaning arising spontaneously or from an obscure or unknown cause. From Greek ἴδιος, idios (one's own) + παθος, pathos (suffering), it means approximately "a disease of its own kind."
It is technically a term from nosology, the classification of disease. For most medical conditions, one or more causes are somewhat understood, but in a certain percentage of people with the condition, the cause may not be readily apparent or characterized. In these cases, the origin of the condition is said to be "idiopathic."
With some medical conditions, the medical community cannot establish a root cause for a large percentage of all cases (e.g. Focal segmental glomerulosclerosis, the majority of which are idiopathic); with other conditions, however, idiopathic cases account for a small percentage (e.g., pulmonary fibrosis). As medical and scientific advances are made with relation to a particular condition or disease, more root causes are discovered, and the percentage of cases designated as idiopathic shrinks.
In his book The Human Body, Isaac Asimov noted a comment about the term "idiopathic" made in the 20th edition of Stedman's Medical Dictionary: "A high-flown term to conceal ignorance." Similarly, in the American television show House, the title character remarks that the word "comes from the Latin, meaning 'we're idiots, because we don't know what's causing it.'"

References

External links

idiopathic in German: Idiopathie
idiopathic in Spanish: Idiopático
idiopathic in French: Idiopathique
idiopathic in Italian: Idiopatico
idiopathic in Dutch: Idiopathisch
idiopathic in Norwegian: Idiopatisk
idiopathic in Portuguese: Idiopático
idiopathic in Finnish: Idiopatia
idiopathic in Swedish: Idiopatisk
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