A 47-year-old woman was referred to our hospital for further examination of a lung tumor. CT of the chest revealed a round, well-defined 2.4-cm nodule in S2, adjacent to right superior lobe bronchus. Endobronchial ultrasonography showed a well-defined, hypoechoic tumor with echogenic capsule and posterior acoustic enhancement. Diagnosis of schwannoma was confirmed from the specimen obtained by ...

account for account for 8% of all primary brain tumours in adults, with most cases being acoustic neuromas, intraparenchymal schwannomas of the brain are rare. Gibson et al. (1) reported the first English-language account of an intraparenchymal intracerebral schwannoma in 1966. Since then, several other cases of this neoplasm have been reported (2, 3). We present a case of an unusual intracrani...

BACKGROUND The membranous structure of vestibular schwannoma is an important factor in its surgical treatment. Herein, we report intraoperative and microscopic findings relating to an outermost dura-like membrane in cases of vestibular schwannoma and the importance of these findings. METHODS Intraoperative findings of 16 cases of vestibular schwannoma treated with an initial surgery were stud...

Sporadic vestibular schwannoma (acoustic neuroma) is a benign tumor arising from cochleovestibular nerve. Nowadays, various specialties and medical centers are treating this disease, and the multidisciplinary collaboration is the trend. In an effort to promote a uniform standard for reporting clinical results, even for treatment indications, the mainly controversies were posed and discussed dur...

Schwannomas are tumors that are typically benign. They are derived from Schwann cells (glial cells of the peripheral nervous system that serve to separate and isolate nerve cells from adjacent structures). The most common type of schwannoma is a benign tumor of cranial nerve VIII and is referred to as an acoustic neuroma. When extradural, such tumors usually present as masses that can invade ad...

Schwannomas are benign encapsulated tumors arising from the sheaths of peripheral nerves. They present as slowly enlarging solitary lumps, which may cause neurological defects. Multiple schwannomas in non-neurofi bromatosis type 2 patients are extremely rare. We report a case of a 60-year-old female patient, without any family history of neurofibromatosis or schwannomatosis, presented with trig...

V estibular schwannoma is a benign tumour that originates from the distal parts of the vestibular or cochlear nerve. The vestibule is an unusual location for acoustic neuromas. The primary symptoms of such tumours are unilateral hearing loss, tinnitus, and vertigo. In this article, we report a patient with vestibular schwannoma who presented with the typical complaints and audiologic findings o...

Vestibular schwannomas are the most common cerebellopontine angle tumors. These tumors commonly present with ipsilateral dysfunction of acoustic, vestibular, trigeminal, and facial nerves.1 Presentation of the vestibular schwannoma with contralateral facial nerve dysfunction is quite uncommon, and the contralateral facial paresis has been mentioned as a false localizing sign for posterior fossa...