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Erschienen in:
01.04.2015 | Original Article
Routine histopathologic examination of “benign” anal lesions: is it necessary?
Erschienen in: Surgery Today | Ausgabe 4/2015
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Purpose
To establish the necessity of routine histopathologic examination of specimens from hemorrhoids and anal fistula that are diagnosed preoperatively.
Methods
We reviewed histopathologic reports from hemorrhoidectomy and anal fistula excision operations performed between 2007 and 2011 in the sixth affiliated hospital of Sun Yat-sen University and Guangdong Province Traditional Chinese Medical Hospital. We evaluated the incidence of unexpected pathologic malignancy and its impact on postoperative management.
Results
Among the 10532 patients recruited, 8308 had undergone hemorrhoidectomy and 2224 had undergone excision of an anal fistula. Unexpected pathologic malignancy was discovered in 17 specimens (0.16 %). Overall and subgroup analysis for risk factors of malignant detection revealed unexpected pathologic malignancy was more likely to be found in people over the age of 60 years (OR = 5.516, P = 0.002 overall and OR = 5.442, P = 0.007 for hemorrhoids).
Conclusion
Routine histopathologic examination of specimens from patients undergoing hemorrhoid or anal fistula surgery is of value for identifying unexpected pathologic malignancy. An age older than 60 years may be a remarkable risk factor.