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CASE REPORT
Year : 2019  |  Volume : 9  |  Issue : 2  |  Page : 115-117

Isolated postinflammatory perioral hyperpigmentation: A rare case report


Department of Oral Maxillofacial Pathology, Pushpagiri College of Dental Sciences, Tiruvalla, Kerala, India

Correspondence Address:
Dr. Tibin K Baby
Department of Oral Maxillofacial Pathology, Pushpagiri College of Dental Sciences, Tiruvalla, Pathanamthitta, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmd.ijmd_28_19

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Postinflammatory hyperpigmentation (PIH) is an acquired hypermelanosis occurring after cutaneous inflammation or injury that can affect all skin types but more in dark-skinned patients. Etiologies for facial PIH include infections, allergic reactions, papulosquamous diseases such as psoriasis or lichen planus, medication-induced hypersensitivity reactions, and cutaneous injury from irritants, burns, or cosmetic procedures. PIH results from the melanocyte's response to the cutaneous insult causing increased production and/or redistribution of melanin. Literature search could show that this is the first case report on isolated acute perioral PIH following perioral contact dermatitis.


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