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syndromes

Thursday 10 February 2005

syndrome

Definition: A syndrome could be a set of symptoms and clinical signs ( clinical syndromes ), a set of lesions ( lesional syndromes ), a set of malformations ( malformative syndromes ) or a set of biological anomalies ( biological syndromes ).

Syndromes and Nosology

One of the main problems with nosologies is that diseases often cannot be defined and classified clearly especially when pathogenesis or causality is not known. So, diagnostic terms often are in fact only symptoms or sets of symptoms (syndromes).

A disease differs from a syndrome , which is a collection of signs or symptoms that occur together. However, for historical reasons, many diseases that have been clearly identified continue to be referred to as "syndromes".

Conversely, numerous conditions of unknown etiology are referred as "diseases", whithout clearly defined causes.