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Previous Volume 346:710 February 28, 2002 Number 9 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: The review of Tourette's syndrome by Jankovic (Oct. 18 issue)¹ contains a Venn diagram (Figure 1 of the article) that may be misleading. The figure suggests that Tourette's syndrome lies at the intersection of tics, attention-deficit–hyperactivity disorder, obsessive–compulsive disorder, and other behavioral disorders. Although these disorders often coexist with Tourette's syndrome and even with each other, they are not necessary for the diagnosis of Tourette's syndrome. The presence of tics alone, not caused by other conditions, is sufficient for the diagnosis.²

Joseph DeVeaugh-Geiss, M.D.
Duke University Medical Center
Durham, NC 27705

References

1. Jankovic J. Tourette's syndrome. N Engl J Med 2001;345:1184-1192. [Free Full Text]
2. Diagnostic and statistical manual of mental disorders: DSM-IV. 4th ed. Washington, D.C.: American Psychiatric Association, 1994:101-3.

References

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