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  • Title: [Minor cutaneous ambulatory surgery and cryotherapy. Comparative study between a dermatologist and family physicians].
    Author: Graells J, Espinola A, Barrio C, Muñoz MD, Román A, Parellada N.
    Journal: Actas Dermosifiliogr; 2007 Apr; 98(3):171-7. PubMed ID: 17504701.
    Abstract:
    INTRODUCTION: Lack of diagnostic skill in cutaneous surgery may lead to erroneous and potentially detrimental therapies. This study compares the diagnosis and treatment in cutaneous surgery, including cryotherapy, between a dermatologist and family physicians. METHODS: It is an observational, prospective study on a random sample of patients that consulted the dermatologist for candidate lesions. Each lesion was independently evaluated by a dermatologist and a family physician, both of whom assigned the clinical diagnosis and therapeutic advice. Concordance for diagnosis, recommended treatment and indication for cryotherapy was calculated by Cohen's kappa coefficient. RESULTS: Six hundred forty-six lesions were evaluated. Global kappa indexes were 0.69 (95 % CI, 0.65-0.73) for diagnostic concordance, 0.62 (95 % CI, 0.56-0.67) for recommended treatment and 0.73 (95 % CI, 0.67-0.78) for indication of cryotherapy. Diagnostic concordance was significantly better for melanocytic nevus, achrocordon and for lesions with multiple and monomorphous presentation, and worse for isolated pigmented lesions. For recommended treatment concordance was better for multiple and monomorphous lesions and worse for skin cancer and seborrheic keratosis. For indication of cryotherapy concordance was worse for skin cancer, melanocytic nevus, acrochordon and seborrheic keratosis. Family physicians made an erroneous indication for cryotherapy in 5.88 % of cases, including 3 non melanoma skin cancers. CONCLUSIONS: Concordance between dermatologists and family physicians for minor cutaneous surgery is generally good. Family physicians should be more careful in evaluating solitary pigmented lesions and patients at risk for skin cancer.
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