نتایج جستجو برای: ancient schwannoma

تعداد نتایج: 43156  

Journal: :Indian journal of anatomy and surgery of head, neck and brain 2023

Multi-segment Facial Nerve Schwannoma (MFNS) is a very rare tumor, benign in nature and can arise anywhere along the course of facial nerve from its origin cerebello-pontine angle to extra cranial ramification parotid space head neck. It mimic like vestibular schwannoma other schwannoma. The most common clinical presentation palsy depending upon segment involved. We report case multi-segment ex...

Journal: :International Surgery Journal 2022

Schwannoma is a tumor of soft tissue originating from Schwann cells that rarely appears in the retroperitoneum. Presentation depends on site disease leading to mostly pressure symptoms, sometimes with distal manifestations. Because its complex location, it has varied presentations and always diagnostic dilemma. We reported rare case retroperitoneal schwannoma having mild difficulty walking due ...

Journal: :Turkish neurosurgery 2013
Wang Xuejian Zhang Xiaobiao Hu Fan Yu Yong Gu Ye Xie Tao

Brain parenchyma schwannoma is a rare intracranial tumor, and especially rare in cerebellar hemisphere. In this report, a case of cerebellar schwannoma in a 52-year-old woman, was studied by computed tomography (CT), magnetic resonance image (MRI) and PET-CT. This tumor was totally removed by surgery. The histological diagnosis of schwannoma was confirmed by histological, HE and immunohistologi...

Journal: :Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva 2010
K F Hsu C T Lin C C Wu C W Hsiao T Y Lee C M Mai J S Jin S W Jao

Schwannoma is well-known as a benign tumor originating from the Schwann cells, which produce insulating myelin sheath to cover peripheral nerves. It could occur in any nerve region, typically in the extremities, spinal cord and central nervous system (1). In the literature, only few cases of rectal schwannoma have been reported (2-8). The surgical approaches, including abdominoperineal resectio...

Journal: :medical journal of islamic republic of iran 0
s torabi-nezhad from the departments of pathology shiraz medical school, shiraz university of medical sciences, shiraz, ir. iran. yosef yousefi from the departments of surgery, shiraz medical school, shiraz university of medical sciences, shiraz, ir. iran. masood hosein-zadeh from the departments of pathology shiraz medical school, shiraz university of medical sciences, shiraz, ir. iran.

schwannomas may occur anywhere in the soft tissues or viscera, but do not commonly involve the pancreas and retroperitoneum. we present a case of benign pancreatic schwannoma which clinically simulated a malignant neoplastic process.

Journal: :Neurology India 2002
V Gupta S Kumar A K Singh M Tatke

We report a rare case of glossopharyngeal schwannoma whose clinical presentation and the radiological work up suggested an acoustic schwannoma. The diagnosis was made at surgery, once attachment to ninth cranial nerve was seen. The clinical presentation, radiological features and surgical findings of the glossopharyngeal schwannoma are presented along with the review of literature.

2014
Gaffar Aslan Fikret Cinar Fatmagul Kusku Cabuk

INTRODUCTION Schwannoma is a benign, solitary, and slowly progressive encapsulated tumor originating from the sheath of myelinated nerve fibers. Schwannoma of the salivary gland is a particularly rare form of an extracranial neurogenic tumor. Here, we present an unusual case of a schwannoma of the submandibular gland in a 19-year-old man. Total excision of the submandibular gland resulted in co...

2016
Ramandeep S Narang

Benign nerve cell tumors include schwannoma, which rarely has an intraoral presentation. Schwannoma is a relatively uncommon, slow-growing benign tumor that is derived apparently from the schwann cells. It's an asymptomatic tumor which may sometimes present with pain. The tongue is the most common site, followed by palate, floor of mouth, buccal mucosa, lips, and jaws. Usually it is a solitary ...

2014
Keiya IIJIMA Masahiko TOSAKA Takuro NAGANO Hiroyuki YAOITA Nozomi MATSUMURA Yoichi NAKAZATO Yuhei YOSHIMOTO

A 37-year-old woman presented with an extremely rare large oculomotor schwannoma associated with acute hydrocephalus manifesting as semicoma and anisocoria. Brain computed tomography and magnetic resonance imaging revealed a tumor in the oculomotor cistern. Cerebral angiography revealed separation of the posterior cerebral artery (PCA) and superior cerebellar artery (SCA). The tumor was removed...

2014
Shunyou Gong Said Hafez-Khayyata Wei Xin

BACKGROUND Schwannoma is a common, benign, peripheral nerve sheath tumor. Fine-needle aspiration (FNA) has been very useful for diagnosing classic Schwannoma. Recently, a new morphological variant, the so-called microcystic/reticular Schwannoma, has been recognized. Although histological features of microcystic/reticular Schwannoma have been described, there are no available reports on its FNA ...

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