منابع مشابه
CASE FOR DIAGNOSIS Patchy Facial Hyperpigmentation Hiperpigmentación facial parcheada Medical History
Histology of one of the lesions showed an intact epidermis and the deposition of a dark-yellow material between the collagen fibers in the superficial dermis; the accumulations of this material showed a variable morphology. The adnexa were not affected and there was no inflammatory infiltrate. No signs of melanocyte proliferation or increased melanic pigment in the basement membrane were observ...
متن کاملCASE FOR DIAGNOSIS Patchy Facial Hyperpigmentation Hiperpigmentación facial parcheada Medical History
Histology of one of the lesions showed an intact epidermis and the deposition of a dark-yellow material between the collagen fibers in the superficial dermis; the accumulations of this material showed a variable morphology. The adnexa were not affected and there was no inflammatory infiltrate. No signs of melanocyte proliferation or increased melanic pigment in the basement membrane were observ...
متن کاملIsotretinoin - induced facial hyperpigmentation : idiosyncratic reaction ?
Isotretinoin is notorious for having a myriad of mucocutaneous side effects including cheilitis, xerodermia, facial erythema, pruritis, hair thinning, and brittle nails, among others. Although photosensitivity is considered to be one of the side effects of oral isotretinoin therapy, cutaneous hyperpigmentation has not, to the best of our knowledge, yet been reported as a side effect. This repor...
متن کاملReversible Facial Hyperpigmentation Associated With Vitamin B12 Deficiency.
Vitamin B12 (cobalamin) deficiency is common in developing countries. Its dermatologic manifestations include hair and nail changes and glossitis. Cases of generalized hyperpigmentation associated with vitamin B12 deficiency have rarely been reported. Localized hyperpigmentation is less frequently described, affecting palms, soles, and flexural areas. We report a rare case of reversible melasma...
متن کاملFacial primer provides immediate and long-term improvements in mild-to-moderate facial hyperpigmentation and fine lines associated with photoaging
BACKGROUND Photoaged skin results from various environmental factors, most importantly chronic sun exposure. Dyschromia and fine lines/wrinkles are common clinical manifestations of photodamaged skin. PURPOSE This single-center clinical trial was conducted to assess the efficacy and tolerability of a new multifunctional facial primer (camouflage, broad-spectrum SPF 50, and a treatment for hyp...
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ژورنال
عنوان ژورنال: Actas Dermo-Sifiliográficas (English Edition)
سال: 2015
ISSN: 1578-2190
DOI: 10.1016/j.adengl.2015.03.007