Obstrução primária do dueto nasolacrimal: proposta de classificação histopatológica

Obstrução primária do dueto nasolacrimal: proposta de classificação histopatológica


Simone Haber Duellberg von Faber Bison,
Paulo Sérgio de Moraes Barros,
José Wilson Cursino,
Ralph Cohen


Arquivos Brasileiros de Oftalmologia

versão impressa ISSN 0004-2749versão On-line ISSN 1678-2925

Arq. Bras. Oftalmol. vol.61 no.1 São Paulo fev. 1998



The purpose was to determine and classify the histological changes that occur on primary acquired nasolacrimal duct obstruction. It was made a prospective study of 51 specimens biopsed during external dacryocystorrinostomy in 50 cases of primary acquired nasolacrimal duct obstruction. The ducts were classified on three histopathological patterns: inflammatory in chronification (9.8%), inflammatory chronic without fibrous obliteration (58.8%) and inflammatory chronic with fibrous obliteration (31.4%>).

There was a positive association between the third pattern and the absence of luminal epithelium.

The three histopathological patterns didn't show difference when compared in relation to the evolution period of the symptoms.


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