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June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
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October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
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November 1983 in “Journal of The American Academy of Dermatology” Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.
53 citations,
May 2001 in “The American journal of the medical sciences” Chemotherapy can cause various skin problems, and recognizing them helps improve patient care.