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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

We were pleased to see the report by Dyson et al,¹ which was similar to our 1983 work² and reached the same conclusions. In short, when additional histologic sections of a melanoma specimen beyond those assessed originally are examined, the determined depth will be greater and more poor prognostic findings will be reported.

As we implied in our original article, this result can be anticipated. Let us assume that the diagnosis of melanoma and the attendant prognostic factors are determined from 2 single sections (ie, slices) of the skin specimen that is delivered to the dermatopathologist. If, for example, 10 more sections are obtained, the chances increase that the measured depth will be greater. It certainly cannot be less, because the measured depth is not an average, it is the maximum depth. Any lesser depths in the new sections are ignored, and any greater depths are recorded until a new . . . [Full Text of this Article]

AUTHOR INFORMATION
Charles N. Ellis, MD; Alvin R. Solomon, MD