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Updated: Oct 15, 2025

Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors
Published on: May 17, 2024
Plexiform neurofibroma with nevus of ota-rare presentation
Lavina Taneja1, Sushil Kumar Dokwal2, Jyoti Prajapat3
1Department of Oral Medicine and Radiology, Post Graduate Institute of Dental Sciences, Rohtak, Haryana, India.
Abstract:
Plexiform neurofibroma (PNF) is a rare form of neurofibromatosis type 1 which is rarely seen isolated. This generally spreads along the peripheral nerve and may affect some nervous rami. This is a poorly circumscribed and locally invasive tumor. About 21% of patients with NF-I are affected with PNFs. The nevus of Ota also called oculodermal melanocytosis is a macular discoloration of the face. It is most commonly found in the Japanese and very rare in the Indian subcontinent. It is unilateral oculodermal melanosis along the first two branches of the trigeminal nerve. We hereby present a very rare case of occurrence of isolated PNF (not associated with neurofibromatosis type 1) along with nevus of ota of the left side of the face in a 28-year-old female with thorough radiographic work up.
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