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Atypical lymphocytes in schizophrenia

Published online by Cambridge University Press:  16 April 2020

RL Lahdelma ,
H Katila ,
M Hirata-Hibi ,
L Andersson ,
B Appelber  and
R Rimón
RL Lahdelma
Affiliation:
Department of Psychiatry, University of Helsinki, 00530Helsinki, Finland
H Katila
Affiliation:
Department of Psychiatry, University of Helsinki, 00530Helsinki, Finland
M Hirata-Hibi
Affiliation:
Department of Pathology, Okayama University Dental School, Okayama, Japan
L Andersson
Affiliation:
Department of Pathology, University of Helsinki, Helsinki, Finland
B Appelber
Affiliation:
Department of Psychiatry, University of Helsinki, 00530Helsinki, Finland
R Rimón
Affiliation:
Department of Psychiatry, University of Helsinki, 00530Helsinki, Finland
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Summary

Blood was drawn from 18 inpatients fullfilling the DSMIII criteria for schizophrenia and their 15 age- and sex-matched clinically infection-free controls before and after neuroleptic treatment. Blood films were stained with MGG solution, mixed, and subsequently read in random order by one observer. The lymphocytes were examined by light microscopy and classified into six types: normal lymphocytes, Downey type I atypical lymphocytes, Downey type III atypical lymphocytes, stress lymphocytes, plasmocytoid lymphocytes, and large granular lymphocytes. Downey type I and III atypical lymphocytes were classified into small, medium, and large lymphocytes. Schizophrenic patients had significantly more Downey type III medium size cells before treatment (p = 0.019 before treatment and p = 0.056 after treatment) and less Downey type I small size cells (p = 0.113 before treatment and p = 0.026 after treatment). Our study supports the idea of a possible subgroup of schizophrenia exhibiting immunological aberrations. In the present study, we found morphologically more specified cells which could be involved in this alteration.

Keywords

schizophreniaatypical lymphocytescell sizes
Type
Original article
Information
European Psychiatry , Volume 10 , Issue 2 , 1995 , pp. 92 - 96
Copyright
Copyright © Elsevier, Paris 1995

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