The Hutchinson sign can refer to two clinical signs.
Hutchinson sign (ophthalmology)
Relates to involvement of the tip of the nose from facial herpes zoster. It implies involvement of the external nasal branch of the nasociliary nerve (branch of the ophthalmic division of the trigeminal nerve) and thus raises the spectre of involvement of the eye.
Hutchinson sign (dermatology)
Refers to pigmentation in the paronychial area suggesting subungual melanoma.
It should not be confused with:
History and etymology
Named after Sir Jonathan Hutchinson (1828–1913), an English surgeon, ophthalmologist and pathologist.