Dermoscopy case of the month
Using dermoscopy to assess diagnostic criteria of neurofibromatosis

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Clinical presentation

A 42-year-old woman was referred to the dermatology department with a history of cutaneous lesions. There was no personal or family history of any disorders.

Examination revealed multiple café au lait macules, axillary freckling, and multiple neurofibromas.

Dermoscopic appearance

We used dermoscopy to look for Lisch nodules in the iris, and dermoscopy showed typical brownish-yellowish, rounded, disperse, bilateral Lisch nodules, more numerous in her left eye (Fig 1). The patient was referred to the ophthalmology department and the same features were observed by slit lamp examination (Fig 2).

Key message

Lisch nodules are elevated melanocytic hamartomas located in the iris that appear in patients with neurofibromatosis-1. Lisch nodules are usually bilateral and constitute

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Funding sources: None.

Conflicts of interest: None declared.

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