Asymmetric Inferior Predilection of Lisch Nodules With Unilateral Ptosis.
JOURNAL OF NEURO-OPHTHALMOLOGY(2020)
摘要
Lisch nodules are melanocytic hamartomas that have been hypothesized to grow larger in the presence of sunlight. A 17-year-old boy with neurofibromatosis Type 1 and congenital ptosis in one eye presented and was found to have a distinct asymmetry of Lisch nodules between eyes with less under the ptotic lid. This case supports the theory that Lisch nodules form at least partially due to a direct trophic effect of sunlight.
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