Schwannoma is rare in pelvis. Ancient schwannoma is rarer histological subtype of schwannoma. We report a very rare case of pelvic schwannoma presenting with right sciatica and right iliac fossa pain. Clinical and imaging findings were suggestive of Peritoneal Hydatid cyst. The tumour was resected completely with marked clinical improvement. Histopathological examination showed Ancient cystic s...

Schwannoma of the hypoglossal nerve is an uncommon benign neoplasm. We present a 49-year-old female patient with hypoglossal schwannoma presenting as a painless mass in the submandibular area.

Schwannoma, or neurilemmoma, is a benign neoplasm that arises from Schwann cells, which surround peripheral, cranial, and autonomic nerve sheaths. Schwannoma has been reported to occur mainly as singular lesion of the sacral sciatic in young adults. Plexiform schwannoma, subtype rare known account for 2% 5% total schwannomas. upper extremities relatively mostly ulnar nerve. We report, with lite...

PURPOSE To evaluate the spectrum of MR characteristics of cystic acoustic schwannoma and to investigate its incidence. METHODS We retrospectively reviewed the MR findings and clinical records of 16 patients with cystic acoustic schwannomas. In addition, the MR examinations of 411 consecutive patients referred for clinical suspicion of acoustic schwannomas were reviewed retrospectively to asse...

OBJECTIVES/HYPOTHESIS The purpose of this study was to evaluate the Ras GTPase (Ras) to extracellular signal-regulated kinase (ERK) pathway in vestibular schwannoma (VS) cell cultures and patient excised schwannoma tumors. Mitogen-activated protein kinase kinase (MEK) inhibitor CI-1040 (PD184352) was utilized to evaluate the effect of specific MEK inhibition on benign schwannoma cell culture pr...

When acoustic neuromas are found in younger age groups, they are typically bilateral and associated with neurofibromatosis (NF). A unilateral acoustic neuroma in a child or adolescent without NF is rare. We report audiometric, auditory brainstem response (ABR) and magnetic resonance imaging (MRI) data for a 15-year-old male with an acoustic neuroma but without associated NF. The patient was see...

OBJECTIVES Assess p63 and p73 expression in acoustic neuroma and its correlation with clinical and radiological findings. MATERIALS AND METHODS medical records of 34 patients who were operated on for acoustic neuroma during a 3-year period (2001-2003) were evaluated retrospectively. Immunohistochemical analysis of the schwannoma was performed with p63 and p73 antibodies and clinical patient c...

OBJECTIVE The objective of this study was to assess the epidemiology of acoustic neuroma and determine current trends in therapy using tumor registry techniques. STUDY DESIGN Analysis of a national database. SUBJECTS AND METHODS The Surveillance Epidemiology and End Results (SEER) database is a national tumor registry that began to identify and abstract benign and borderline tumors of the b...

schwannoma is a solitary, slow growing,  benign tumour of the peripheral  nerve sheath, and it is most common locations are the head, neck, the flexor surfaces of the extremities, retroperitoneal and posterior mediastinium. external female genital organs are the least common location site of the schwannoma. only a few cases of vulvar schwannoma have been reported.we report 65 year- old woman pr...

  Ancient schwannomas rarely found in the central nervous system and ancient change in an intracranial schwannoma (intracranial portion of the trigeminal nerve) is extremely rare. A seventy-year man presented with headache of 3 months duration and one episode of generalized tonic-clonic seizures. Imaging findings were suggestive of left temporal high grade lesion. During surgery there was well...