Multimodal Imaging Characteristics and Diagnostic Approach to Ancient Schwannoma in a Pediatric Patient

Curēus
Bridget E EbertSivakumar Chinnadurai

Abstract

Ancient schwannoma is an extremely rare benign, peripheral nerve sheath tumor. Despite its benign nature, its characteristic heterogeneous appearance and degenerative changes commonly lead to misdiagnosis of malignancy. Although schwannomas are extremely uncommon in the pediatric population, these neoplasms have been associated with underlying conditions such as neurofibromatosis type two, and appropriate recognition is important to ensure close monitoring of potential future symptoms secondary to other tumors. We report the imaging and laboratory findings of an ancient schwannoma of the vagus nerve in a 10-year-old female, the first documented case of such a tumor in a pediatric patient, and discuss its characteristic findings and diagnostic considerations. Awareness of this rare tumor can help promote correct diagnosis and avoidance of costly, high-risk diagnostic methods.

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