Areas of hyperpigmentation on bilateral cheeks, what is your diagnosis? #dermpath #pathology #dermatology 
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
(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
• • •
Missing some Tweet in this thread? You can try to
force a refresh
