4 citations,
January 2011 in “European journal of dermatology/EJD. European journal of dermatology” A boy had a rare scalp condition with thickened skin and different-colored hair.
1 citations,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
January 2024 in “Australasian journal of dermatology (Print)” A boy's hair turned red because of genetic mutations, not lack of zinc.
1 citations,
March 2015 in “Journal of the European Academy of Dermatology and Venereology” A clinically suspected melanoma appeared benign under the microscope but was confirmed by specific tests and a rare mutation.