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Hutchinson's sign; periungual pigmentation
Etiology:
- pigmentation of the fingernail (brown nail) also involving the proximal nail fold is suggestive of acral lentiginous melanoma
- melanoma until proven otherwise
Clinical manifestations:
1) brown-black discoloration of the proximal & lateral nail folds
2) brown-black pigmentation of the nail matrix, nail bed & nail plate obliterating the lunula
3) nail plate may show dystrophic changes
Related
Hutchinson's teeth; Hutchinson's incisor; Hutchinson-Boeck teeth
Hutchinson's triad
General
sign/symptom
References
Color Atlas & Synopsis of Clinical Dermatology, Common
& Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY,
1997, pg 503