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[Expression of fascin and correlation with MVD in sinonasal inverted papilloma].

OBJECTIVE
To investigate the expression of Fascin in sinonasal inverted papilloma (SNIP) and the relationship between Fascin expression and microvessel density (MVD).


METHOD
The expression of Fascin and CD34 were determined by immunohistochemistry in 30 cases of SNIP, 12 cases of nasal squamous cell carcinoma (NSCC) and 10 cases of normal inferior turbinate (IT) tissues. Meanwhile, CD34, measure of MVD, was counted at the same time.


RESULT
Fascin was expressed in 17 of 30 (56.6%) cases of SNIP, 10 of 12 (83.3%) cases of NSCC and 2 of 10 (20.0%) cases of normal IT tissues. Expression of Fascin was significantly increased in SNIP and NSCC compared to normal tissues (P < 0.01). MVD counts was 23.64 +/- 2.74, 45.10 +/- 5.45, 74.76 +/- 7.32, respectively (P < 0.01). There was a positive correlation between the expression of Fascin and MVD counts.


CONCLUSION
The high expression of Fascin and angiogenesis are significantly associated with biological behaviour of SNIP. Fascin may play an important role in the pathogenesis of SNIP and NSCC and synergic role with angiogenesis in progression of SNIP.