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Improvement of Asymmetrical Temporal Blood Flow in Refractory Oral Somatic Delusion After Successful Electroconvulsive Therapy

Uezato, Akihito MD, PhD*†‡; Yamamoto, Naoki MD, PhD*; Kurumaji, Akeo MD, PhD*; Toriihara, Akira MD, PhD§; Umezaki, Yojiro DDS; Toyofuku, Akira DDS, PhD; Nishikawa, Toru MD, PhD*

doi: 10.1097/YCT.0b013e31822e581e
Case Reports

Oral cenesthopathy is a somatic delusion in the oral area and categorized as delusional disorder, somatic type. Patients experience unusual and annoying sensations in the mouth such as pulling on the teeth, moving teeth, overly secreting mucus, tingling and pain, and so on, without a somatic base. The condition is usually treatment-resistant and impairs patients’ quality of life. We report a case of oral cenesthopathy successfully treated with the modified electroconvulsive therapy, who demonstrated altered regional cerebral blood flow before and after the treatment detected by single-photon emission computed tomography.

From the *Section of Psychiatry and Behavioral Sciences and †Department of Sleep Modulatory Medicine, Tokyo Medical and Dental University Graduate School, Tokyo, Japan; ‡Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, AL; and §Department of Diagnostic Radiology and Oncology and ∥Section of Psychosomatic Dentistry, Tokyo Medical and Dental University Graduate School, Tokyo, Japan.

Received for publication July 1, 2011; accepted July 18, 2011.

Reprints: Toru Nishikawa, MD, PhD, Section of Psychiatry and Behavioral Sciences, Tokyo Medical and Dental University Graduate School, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8519, Japan (e-mail:

There is no financial relationship or other affiliations relevant to the subject of this work. None of the named authors have any financial relationship with commercial interests.

© 2012 Lippincott Williams & Wilkins, Inc.