Results 101 to 110 of about 68,963 (277)

The extracisternal approach in vestibular schwannoma surgery and facial nerve preservation [PDF]

open access: yes, 2014
The classical surgical technique for the resection of vestibular schwannomas (VS) has emphasized the microsurgical anatomy of cranial nerves. We believe that the focus on preservation of the arachnoid membrane may serve as a safe guide for tumor removal.
Beer-Furlan, Andre   +5 more
core   +3 more sources

Dermatologic Features of Endocrine Tumor Syndromes—Systematic Review and Meta‐Analysis

open access: yesInternational Journal of Dermatology, EarlyView.
ABSTRACT Endocrine tumor syndromes, including multiple endocrine neoplasia types 1, 2A, and 2B (MEN1, MEN2A, MEN2B), Carney complex (CNC), and PTEN hamartoma tumor syndrome (PHTS), are hereditary conditions characterized by multisystem tumor development.
Sára Pálla   +8 more
wiley   +1 more source

Schwannoma of the cervical vagus nerve: A rare benign neurogenic tumor [PDF]

open access: yes, 2013
A schwannoma, also known as an acoustic neuroma, is a benign nerve sheath tumor composed of schwann cells, which normally produce the insulating myelin sheath covering the peripheral nerves.
AKIN, Istemihan   +4 more
core   +1 more source

Plexiform schwannoma of the floor of the mouth: a case report

open access: yesCaspian journal of dental research, 2017
Plexiform schwannoma is a type of schwannoma that can be occured at any age and any site of the oral cavity. In the gross and histopathological features, it shows plexiform or multinodular growth pattern.
Mohammad Koochek Dezfuli   +4 more
doaj  

Ancient schwannoma of thoracic spine in a schizophrenic patient with somatic delusion

open access: yesJournal of Cancer Research and Practice, 2016
Ancient schwannoma is a rare variant of schwannoma characterized by histopathologic degenerative changes, which are thought to be the result of long-term tumor growth and aging. However, ancient schwannoma in the spinal canal is particularly rare.
Ya-Ting Wen, Li Wei, Tai-Ngar Lui
doaj   +1 more source

Presacral schwannoma

open access: yesJournal of Visceral Surgery, 2012
Presacral schwannoma is a rare tumor, diagnosed essentially by pelvi-rectal digital examination. Diagnostic investigations should include initial CT-scan followed by pelvic MRI. The role of angiography and preoperative biopsy remain debated. Management is surgical: several surgical routes are possible to remove the tumor; resection essentially consists
A, Makni   +3 more
openaire   +2 more sources

Practice Guidelines for the Diagnosis and Treatment of Subepithelial Lesion Observed in Upper Gastrointestinal Endoscopy

open access: yesJournal of Gastroenterology and Hepatology, EarlyView.
ABSTRACT Subepithelial lesions (SELs) of the upper gastrointestinal tract are commonly detected during endoscopic examinations and encompass a broad spectrum of benign, potentially malignant, and malignant tumors. While most SELs are asymptomatic and incidentally found, accurate diagnosis remains challenging due to their subepithelial location ...
Beom Jin Kim   +17 more
wiley   +1 more source

Primary retroperitoneal neurofibrosarcoma [PDF]

open access: yes, 2003
Malignant schwannoma or neurofibrosarcoma usually grows from the peripheral nerves and rarely from the retroperitoneum. When found in the retroperitoneum, it usually has a worse prognosis.
deOliveira, Michelle Lucinda   +1 more
core   +1 more source

Clinical, Cytologic, Histopathologic, and Diagnostic Imaging of a Malignant Peripheral Nerve Sheath Tumor in the Renal Pelvis of a Border Collie Dog

open access: yesVeterinary Clinical Pathology, EarlyView.
ABSTRACT A 12‐year‐old female spayed Border Collie dog was presented for evaluation of 6 months of intermittent hematuria and weight loss. A highly vascularized right renal mass deforming the renal architecture and paraneoplastic hypertrophic osteopathy were found. Cytologic evaluation of the mass obtained by fine‐needle aspiration guided by ultrasound
Félix Romero‐Vélez   +7 more
wiley   +1 more source

The role of insulin-like growth factors signaling in merlin-deficient human schwannomas. [PDF]

open access: yes, 2012
Loss of the tumor suppressor merlin causes development of the tumors of the nervous system, such as schwannomas, meningiomas, and ependymomas occurring spontaneously or as part of a hereditary disease Neurofibromatosis Type 2 (NF2).
Ammoun, S   +7 more
core   +2 more sources

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