Just for fun:  40 year-old white male was noted to have this unusual pattern on his back.  Any ideas?  This is for medical residents, dermatology residents, or just interested parties…Choices are:  Reticulated pigmented anomaly (Dowlin-Degos)  Reticulate pigmentation of Dohi (Dyschromatosis symmetrica)  Reticulate acropigmentation of Kitamura  Dermatopathia pigmentosa reticularis  Self Tanner     Answer:  Patterns are important… Read more »