nosology

Antineutrophil cytoplasmic antibodies are not specific for defined syndromes nosologically classed as vasculitis.

Stark examples of classical mania, as depicted in this case vignette, are easy to recognize but not necessarily straightforward, nosologically. Consider the following not-so-straightforward elements of Ms.

Cutaneous lymphomas consist of a spectrum of nosologically different entities including mycosis fungoides and small plaque parapsoriasis.

[14] These two classes of symptoms--physiological markers of addiction and social consequences of addictive behavior--are nosologically distinct, but currently available assessment tools for internet addiction list them as equivalent symptoms, failing to recognize that both types of symptoms need to be present to justify labelling a condition as a 'mental disorder'.

Rett syndrome (RTT), for a long time included among the Autism Spectrum Disorders (ASDs), is a nosologically distinct, genetically determined neurological entity associated in up to 95% of cases to de novo loss-of-function mutations in the X-chromosome-linked gene encoding the methyl-CpG-binding protein 2 (MeCP2) [1].