Basal cell carcinoma: A comparison of shave biopsy versus punch biopsy techniques in subtype diagnosis - 07/09/11
Abstract |
Background: There are two standard ways to obtain tissue for histologic classification of a clinically suspected basal cell carcinoma: shave and punch biopsy. However, information on the value of each method is limited. Objective: The purpose of this study was to identify accuracy rates of two standard biopsy techniques in diagnosing subtypes of basal cell carcinoma. Methods: A total of 86 cases were identified that had received either a punch or a shave biopsy with subsequent total excision of tumor. The biopsy specimens and excisions were compared for histologic correlation. Results: Analysis of specimens from punch and shave biopsies produced equivalent diagnostic accuracy rates: 80.7% and 75.9%, respectively. There was no statistically significant tendency to overcall or undercall any particular tumor subtype on the basis of the type of biopsy procedure used. Conclusion: For histologic classification of basal cell carcinoma, there is an approximately 80% accuracy rate with both the shave and the punch biopsy. Therefore either biopsy technique is appropriate. (J Am Acad Dermatol 1999;41:69-71.)
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Reprint requests: Bruce Smoller, MD, Department of Pathology-Slot 517, University of Arkansas for Medical Sciences, Little Rock, AR 72205. |
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0190-9622/99/$8.00 + 0 16/1/97821 |
Vol 41 - N° 1
P. 69-71 - juillet 1999 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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