نتایج جستجو برای: nerve sheath neoplasms

تعداد نتایج: 658028  

2008
Michael E Sughrue Jon Levine Nicholas M Barbaro

Tumors arising from the supporting cells of peripheral nerve sheaths are relatively uncommon neoplasms, and as such many clinicians are unfamiliar with the details of their presentation, diagnosis and management. Further, little is known regarding the pathogenesis of these tumors, how they cause symptoms, and how to treat these symptoms. One classic symptom of peripheral nerve tumors is pain, h...

Journal: :Iranian Journal of Radiology 2021

Background: Accurate imaging of the anatomical relationship between intraparotid facial nerve branches and parotid tumor can be helpful for surgical planning effective protection during surgery. Three-dimensional sheath inked rapid acquisition with refocused echoes (3D-SHINKEI) is a new MRI sequence high tissue contrast resolution, which has been used peripheral nerves in several organs. Object...

2011
Vandana Dialani Neely Hines Yihong Wang Priscilla Slanetz

Schwannomas arise from Schwann cells of the peripheral nerve sheath. The most common locations include the head, neck, and extensor surfaces of the extremities. Intramammary schwannomas are very rare and account for only 2.6% of schwannomas. A review of the English literature reveals 27 such cases of breast schwannoma. In this paper we describe another such rare case.

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2014
Ilhan Inci Alex Soltermann Didier Schneiter Walter Weder

Malignant peripheral nerve sheath tumours (MPNSTs) may occur in any peripheral nerve. They are often found in the chest wall and the posterior mediastinum. On the other hand, primary pulmonary MPNST is extremely rare, and surgically treated cases have been reported. Here, we present 3 cases of primary MPNST originating from the pulmonary parenchyma who underwent surgery in our institution. We d...

Journal: :Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] 2011
Harald Voth Noriaki Nakai Eva Wardelmann Jörg Wenzel Thomas Bieber Clemens-Martin Wendtner Guenter Reinhard Monika-Hildegard Schmid-Wendtner

Malignant peripheral nerve sheath tumors of the scalp are rare lesions of the nervous system. Only 16 cases have been reported to date. In this report, we present a case of a malignant peripheral nerve sheath tumor (MPNST) of the scalp and retrospectively analyze the clinical features, imaging findings, pathological features, and prognoses of these tumors.

Journal: :Ceskoslovenska patologie 2017
Michael Michal Dmitry V Kazakov Michal Michal

Hybrid peripheral nerve sheath tumors (HPNST) are relatively recently described tumors. With ongoing research, a considerable amount of important findings have been made, much of which has substantial clinical implications. However, a comprehensive review of the whole topic has not been published in the literature so far. In the presented manuscript, the various hybrid tumors are discussed sepa...

Journal: :Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva 2017
Alejandra Tepox Padrón Marcos Rafael Ramírez Márquez Juan Carlos Cordóva Ramón Juan Cosme-Labarthe Diego Luis Carrillo Pérez

Schwannomas (or neurilemmomas) are slow-growing mesenchymal neoplasms of the peripheral nerve sheath that may arise at almost any anatomical site. Mesentery schwannoma is extremely rare, with less than ten previously described cases. We present the case of a 38-year-old woman with arterial hypertension and chronic kidney disease with an abdominal painless mass of two years duration and an incon...

2010
June Dong Park Seung Young Lee Sang-Hoon Cha Bum Sang Cho Min Hee Jeon

cosal neural sheath tumors derived from Schwann’s cells. Approximately 25 to 45% of all schwannomas present in the head and neck with most occurring in the parapharyngeal space. However, schwannomas of the larynx arising from the aryepiglottic fold, epiglottis, false or true vocal cord are quite rare, accounting for approximately 0.1% of all laryngeal neoplasms (1). It is believed to arise from...

Journal: :dental research journal 0
sandhya tamgadge neha modak avinash p. tamgadge sudhir bhalerao

malignant peripheral nerve sheath tumor (mpnst), the principle malignancy of peripheral nerve origin, though rare in the general population, occurs with excessive frequency among patients with neurofi bromatosis. this tumor always arises in soft-tissues, usually found in the lower extremities and only 10-12% of all lesions occur in the head and neck region, which makes it a rare entity. the pri...

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