Rami Al-Rohil Profile picture
May 20, 2022 3 tweets 3 min read Read on X
Areas of hyperpigmentation on bilateral cheeks, what is your diagnosis? #dermpath #pathology #dermatology ImageImageImageImage
Final diagnosis: Ochronosis 🔬 Banana/crescentic shaped, ochre-colored fibers that can be free in the dermis or within macrophages #dermpath #pathology #dermatology
Can occur in
(1) Alkaptonuria-Dark blue pigmentation of head/neck, sclera, ears & palmoplantar
(2) Hydroquinone induced (skin bleaching agent)-Usually face/neck
(3) Anti-malarial drug-induced–Subungual, pretibial & facial pigmentation #dermpath #pathology #dermatology

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