Detailed answer

While hyperpigmentation is not always a direct sign of skin cancer, it can be a potential symptom to be aware of. Skin cancer can present in various forms, and changes in pigmentation, such as the development of new dark spots or changes in the color of existing moles or freckles, can be an indication of possible malignancy. However, it is important to note that hyperpigmentation can also be caused by other factors, such as hormonal changes, sun exposure, or certain medications. Diagnosis and evaluation by a dermatologist are crucial to determine the underlying cause of the hyperpigmentation and rule out the possibility of skin cancer.