Case Report
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 7, 2006; 12(21): 3453-3455
Published online Jun 7, 2006. doi: 10.3748/wjg.v12.i21.3453
Figure 1
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Figure 1 A: Macroscopical appearance of anorectal region with two melanomas; B: Photomicrograph of rectal melanoma covered with columnar epithelium (HE, original magnification x 100); C: Photomicrograph of anal melanoma covered with squamous epithelium showing strongly positive immunostaining for HMB-45 (original magnification x 200).
Figure 2
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Figure 2 DNA histograms. A: Smaller tumor with two aneuploid peaks: left peak-hypodiploid population with DNA index of 1.22; right peak-hyperdiploid population with DNA index of 2.22. Middle peak-the diploid population of non tumoral cells; B: Larger tumor with two aneuploid peaks: left peak-hypodiploid population with DNA index of 1.32; right peak-hyperdiploid population with DNA index of 2.33. Middle peak-the diploid population of non tumoral cells.