title: Nosology of chronic mood disorders.
abstract: In attempting to assess the complex relationship of chronic depression with other conditions to which it may be a predisposition, an accompaniment, or a consequence of, a few concluding caveats may be useful. It must be recognized that chronic depression has a wide variety of different presentations and causes. Current definitions of major depressive disorder and dysthymic disorder may create a misleading distinction of what may be two aspects of the overall course of a depressive disorder. Furthermore, much of what is considered to be comorbidity of other disorders with chronic depression actually may be a complex syndrome with a common pathogenesis.
authors.affiliation: Columbia University, New York, New York, USA.
authors.forename: M B
authors.initials: MB
authors.lastname: First
authors.forename: S
authors.initials: S
authors.lastname: Donovan
authors.forename: A
authors.initials: A
authors.lastname: Frances
mesh_terms: D000328:Adult; D001714:Bipolar Disorder / Q000145:classification* / Q000175:diagnosis / Q000523:psychology; D002908:Chronic Disease; D003866:Depressive Disorder / Q000145:classification* / Q000175:diagnosis / Q000523:psychology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D010554:Personality Disorders / Q000145:classification / Q000175:diagnosis / Q000523:psychology; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data; D011594:Psychometrics; D012008:Recurrence