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Diagnosis: Black hairy tongue
Description: Blackish-brown pigmentation.
Morphology: Hyperpigmentation
Site: Tongue
Sex: M
Age: 50
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory: A middle-aged heavy smoker man presented with a blackish hyperpigmented patch on the dorsal surface of the tongue of many years duration. The patient has been advised to quit smoking and to brush the lesion with a teeth brush daily to scrub the hyperpigmented patch.