Documenting dermatology practice: ratio of cutaneous tumors biopsied that are malignant

Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]
Andy Ray GreenRobert S Kirsner

Abstract

Skin biopsy is an important part of dermatology practice. Little is known regarding dermatologist biopsying practices. The objective was to assess the ratio of malignant lesions biopsied in practice and factors that influence this ratio. Using a dermatopathology database, we analyzed tumors biopsied by dermatologists to determine the ratio of malignant to all tumors (malignancy ratio). Additional analyses were performed for factors influencing this ratio. Over 6 months, 11,072 tumors were submitted. Overall, the malignancy ratio was 41.7%, 3.8% for pigmented lesions. Practice type, location, or use of dermatoscopy did not influence this ratio; provider age was positively correlated with a higher malignancy ratio (r=0.51; p=0.02) and was a predictor of malignancy ratio (b=0.02; p=0.04). Approximately 40% of biopsied tumors were malignant. Dermatologists exhibit a wide range in their individual practice patterns. Increasing provider age predicted higher malignancy ratios with a 2% increase for each incremental year.

References

Apr 18, 2001·American Journal of Preventive Medicine·M HelfandC T Orleans
Feb 28, 2002·Dermatologic Clinics·Jeremy E RothfleischRobin Ashinoff
Feb 6, 2003·CA: a Cancer Journal for Clinicians·Ahmedin JemalMichael J Thun
Mar 15, 2003·Journal of the American Academy of Dermatology·Tamara Salam HousmanG John Chen

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Citations

Jul 17, 2010·Journal of the American Academy of Dermatology·Rebekah L Wilson, Steven R Feldman
Jul 16, 2011·The Journal of Dermatological Treatment·Rebekah L WilsonAlan B Fleischer

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