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June 1990

Accuracy in the Clinical Diagnosis of Malignant Melanoma

Author Affiliations

From the Department of Dermatology, New York (NY) University School of Medicine; the Oncology Section, Skin and Cancer Unit, New York University Medical Center; and the New York University Melanoma Cooperative Group. Dr Welkovich is now with the Department of Surgery, Beth Israel Hospital, New York, NY.

Arch Dermatol. 1990;126(6):763-766. doi:10.1001/archderm.1990.01670300063008

• The computerized database (1955 through 1982) of the Oncology Section of the Skin and Cancer Unit of New York (NY) University Medical Center includes data on 13 878 lesions. Of these lesions, 214 were diagnosed clinically and histologically as malignant melanoma (MM). An additional 51 lesions, diagnosed clinically as other than MMs, were found histologically to be MM. Seventy-nine lesions were clinically diagnosed as MM but were found histologically to be other entities. An analysis of the clinical diagnostic accuracy showed some improvement over the three periods studied (1955 through 1963, 1964 through 1973, and 1974 through 1982). Although the diagnostic accuracy for the best period (1974 through 1982) was only 64%, the diagnosis of MM was made in 84.5% of the histologically proved cases of MM, reflecting a high degree of sensitivity.

(Arch Dermatol. 1990;126:763-766)

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