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Japanese

Clinical Study on Three Cases of Insulinoma Jun Hosomi 1 , Sunao Yoshimuta 2 1Department of Neuropsychiatry, School of Medicine, Kagoshima University 2Matsushita Hospital Keyword: Insulinoma , Epilepsy , Hysteria pp.733-740
Published Date 1982/7/15
DOI https://doi.org/10.11477/mf.1405203442
  • Abstract
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 Generally, patients with insulinoma are liable to be misdiagnosed as having epilepsy or hysteria over a long period of time since they show convulsive seizures or paroxysmal abnormal behaviors as main symptoms. We studied three cases of insulinoma and gave some of the reasons why such misdiagnosis was made.

 It is not easy to differentiate a hypoglycemic attack due to insulinoma from epilepsy by either the mood of the seizure or EEG findings. Moreover, a hypoglycemic attack may be suppressed temporarily in some cases of insulinoma by the use of phenytoin, an antiepileptic drug which inhibits insulin secretion.

 Symptoms such as loss of concentration, circumstantial thought, lability of mood and feeling, emotional instability, infantile attitude, euphoria, dysphoria and depressive mood observed in mild clouding of consciousness are liable to be taken for symptoms of hysteria and other neuroses or psychoses. In such cases it is necessary to reexamine the fasting blood sugar level, which is not always low in insulinoma.

 When hypoglycemic attacks become frequent or prolonged, insulinoma may leave serious sequelae. For this reason the need for early treatment of insulinoma has been emphasized. In actuality, however, the presence of insulinoma is overlooked in many cases.

 It is therefore important that we should take the possibility of hypoglycemia into consideration for diagnosis and treatment.


Copyright © 1982, Igaku-Shoin Ltd. All rights reserved.

基本情報

電子版ISSN 1882-126X 印刷版ISSN 0488-1281 医学書院

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