Expression of CD34-antigen in nasopharyngeal angiofibromas.

@article{Beham1998ExpressionOC,
  title={Expression of CD34-antigen in nasopharyngeal angiofibromas.},
  author={Alfred Beham and Sigrid Regauer and Christine Beham-Schmid and Johann Kainz and Heinz R. Stammberger},
  journal={International journal of pediatric otorhinolaryngology},
  year={1998},
  volume={44 3},
  pages={
          245-50
        }
}
Formalin-fixed, paraffin-embedded and frozen tissues of 24 patients with primary nasopharyngeal angiofibroma, of whom seven had recurrences, were studied immunohistochemically for the expression of CD34 antigen using two different antibodies (HPCA-1 and QBEND 10). In all cases, there was an exclusive staining of endothelial cells, while pericytes, smooth muscle cells and stromal fibroblasts were not reactive. The staining intensity, however, was more pronounced in small tumor vessels of… CONTINUE READING

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