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Central nervous system virion detection in acute measles: histopathological, ultrastructural and pathogenetic aspects

Detecção de partículas virais no SNC no sarampo agudo: aspectos histopatológicos, ultraestruturais e patogenéticos

Abstracts

Histopathological and ultrastructural studies of 23 patients who died with clinical diagnosis of measles were carried out. In 12 cases viral nucleocapsids were searched by electron microscopy and detected in 100% of the cases in the lungs and in 50% of the cases in the central nervous system. They were mostly intranuclear. Histopathological changes associated to neurological alterations and the detection of virion are discussed in relation to acute and delayed clinical manifestations.

Measles; Virus; Central Nervous System; Pathology; Ultrastructure; Pathogenesis


Foram realizados estudos histopatológicos e ultraestruturais de 23 pacientes que morreram com diagnóstico clínico de sarampo. Presença de nucleo-capsides virais foi pesquisada em 12 casos e detectada em 50% destes casos no SNC. Eram, na maioria dos casos, intranucleares. As alterações histopatológicas associadas a manifestações neurológicas e à detecção do vírus são discutidas em relação às manifestações clínicas agudas e tardias.


VIROLOGY

Central nervous system virion detection in acute measles: histopathological, ultrastructural and pathogenetic aspects

Detecção de partículas virais no SNC no sarampo agudo: aspectos histopatológicos, ultraestruturais e patogenéticos

C.L.P. LancellottiI; C.E.P. CorbettII; M.I.S. DuarteII

IInst. Infect. of Emilio Ribas and Faculty of Medical Science of Santa Casa of São Paulo - São Paulo, S. P., Brazil

IILab. Path. Infect. Dis. - Univ. of São Paulo Medical School - São Paulo, S. P., Brazil

Correspondence to Correspondence to: Prof. Dr. Carlos Eduardo Pereira Corbett Faculdade de Medicina da Universidade de São Paulo Av. Dr. Arnaldo, 455 - 1º andar - sala 26 01246-903 São Paulo, SP, Brasil

SUMMARY

Histopathological and ultrastructural studies of 23 patients who died with clinical diagnosis of measles were carried out. In 12 cases viral nucleocapsids were searched by electron microscopy and detected in 100% of the cases in the lungs and in 50% of the cases in the central nervous system. They were mostly intranuclear. Histopathological changes associated to neurological alterations and the detection of virion are discussed in relation to acute and delayed clinical manifestations.

Keywords: Measles; Virus; Central Nervous System; Pathology; Ultrastructure; Pathogenesis.

RESUMO

Foram realizados estudos histopatológicos e ultraestruturais de 23 pacientes que morreram com diagnóstico clínico de sarampo. Presença de nucleo-capsides virais foi pesquisada em 12 casos e detectada em 50% destes casos no SNC. Eram, na maioria dos casos, intranucleares. As alterações histopatológicas associadas a manifestações neurológicas e à detecção do vírus são discutidas em relação às manifestações clínicas agudas e tardias.

Full text available only in PDF format.

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ACKNOWLEDGEMENTS

We are grateful to Helio Correa, Shizie Fukasawa and Carla Pagliari for technical assistance, Maria Daisi de Morais for secretarial help and Marcio Carlos Baptista for the photography work. We thank Dr. H.F. Andrade Jr. for statistical analysis.

Recebido para publicação em 17/12/1993.

Aceito para publicação em 22/2/1995.

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  • Correspondence to:

    Prof. Dr. Carlos Eduardo Pereira Corbett
    Faculdade de Medicina da Universidade de São Paulo
    Av. Dr. Arnaldo, 455 - 1º andar - sala 26
    01246-903 São Paulo, SP, Brasil
  • Publication Dates

    • Publication in this collection
      22 Feb 2007
    • Date of issue
      Apr 1995

    History

    • Accepted
      22 Feb 1995
    • Received
      17 Dec 1993
    Instituto de Medicina Tropical de São Paulo Av. Dr. Enéas de Carvalho Aguiar, 470, 05403-000 - São Paulo - SP - Brazil, Tel. +55 11 3061-7005 - São Paulo - SP - Brazil
    E-mail: revimtsp@usp.br