Metastatic melanoma of the transverse colon heralded by vitiligo-like depigmentation: two rare conditions occurring in the same patient

We commend Wang et al. on their interesting work about the association between metastatic melanoma and vitiligo-like depigmentation. In that case, metastatic melanoma involved left inguinal and iliac nodes and the hypopigmentation manifested 4 months prior to lymph nodes enlargement. Herein, we present another atypical example of this clinically important correlation.