| In most cases, the gross inspection of the tumor reveals an achromic lesion. |
| The most common histologic type was represented by epithelioid cells, and the majority of the tumors were achromic. |
| The results showed that cotton and silk stored underground exhibited the most color change toward achromic color. |
| In place of the scaly discs there remained clear blotches of an achromic appearance. |
| The case was reevaluated and reconsidered as a primary palatine tonsillar achromic melanoma with concomitant pigmented gastric and ileal metastases. |
| The lesions consisted of round achromic patches of two to three centimeters in diameter. |
