Oct 10, 2023 · Types Primary vs. Secondary Diagnosis Treatment Skin lesions are abnormal changes in the skin compared to the surrounding tissue. Skin lesions may look like bumps or patches, or they may be smooth. They may be a different color or texture compared to nearby skin. Common causes include acne, cellulitis, and chickenpox. Jul 30, 2019 · Why Are There White Spots on My Skin? Pityriasis alba. Pityriasis alba, or PA, is a skin disorder commonly affecting children between the ages of 6 and 12. Vitiligo. Vitiligo is an autoimmune disorder that is due to the loss of melanocytes — the pigment producing cells — and Milia. Milia are Apr 27, 2021 · Milia. White spots in the form of hard, raised bumps could be milia, which are small, pimple-like cysts. Milia tend to occur in clusters on the face, usually around the eyes or on the forehead, but they can appear anywhere. The bumps, which can also be yellowish, usually form when dead skin cells build up under the top layer of the skin. DWfDH2.