Background Schwannomas of the anterior skull base (ASB) and sinonasal tract are
extremely rare. These lesions mimic other pathologies such as olfactory groove …

Schwannomas are rare and seldom extend into the anterior cranial fossa. Herein, we report
a case of schwannoma arising from the olfactory groove in a 16-year-old girl who presented …

Sinonasal and anterior skull base (ASB) schwannomas are rare entities. The majority of
these lesions are found within the sinonasal tract, although some have intracranial …

Only about 41 case of olfactory schwannoma have been reported in the literature. Olfactory
groove schwannomas are extremely rare tumors, occurring less frequently than any other …

Intracranial schwannomas not associated with cranial nerves account for less than 1% of
surgically treated schwannomas of the central and peripheral nervous system. With only 45 …

Olfactory schwannomas, also described as subfrontal or olfactory groove schwannomas, are
very rare tumors, whose pathogenesis is still largely debated. We report a case of olfactory …

Olfactory ensheathing cell tumour (OECT) and olfactory groove schwannoma (OGS) are
among the rarest intracranial tumour types that develop within anterior cranial fossa. These …

Introduction Schwannoma of the olfactory groove is an extremely rare tumor that can share a
differential diagnosis with meningioma or neuroblastoma. Objectives The authors present a …

Computed tomography (CT), performed in a healthy 28-year-old man after minor head
injury, detected a frontal base tumor. Neurological examination revealed left hyposmia. On …

Subfrontal schwannomas are rarely reported. They are usually found only in the subfrontal
area, but some extend to the nasal cavity. In these cases, prevention of postoperative …