Diagnosis of secondary Sjögren's syndrome was established in those cases which exhibited an associated connective tissue condition, as well as presence of oral and ocular symptoms or Schirmer test and biopsy of positive minor salivary glands. Patients exhibiting benign or malign minor salivary gland neoplasia were excluded.
El diagnóstico de síndrome de Sjögren secundario se estableció en aquellos casos que tenían una enfermedad de tejido conectivo asociada, así como la presencia de síntomas oculares y orales o prueba de Schirmer y biopsia de glándulas salivales menores positivas.