Melasma & Acquired Hyperpigmentation
EasyDermatology · Pigmentary
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Acquired hyperpigmentation is excess melanin (or other pigment) deposited in skin that was previously normal. For NEET PG the workhorse topic is melasma — a chronic, relapsing, UV- and hormone-driven facial hypermelanosis — flanked by post-inflammatory hyperpigmentation, endocrine causes (Addison's), and drug-induced melanosis. The examiner loves Wood's lamp localisation, dermoscopy patterns, the triple-combination (…