نتایج جستجو برای: neurofibroma

تعداد نتایج: 1526  

Journal: :Cancer research 2011
Lu Q Le Chiachi Liu Tracey Shipman Zhiguo Chen Ueli Suter Luis F Parada

Stem cells are under strict regulation by both intrinsic factors and the microenvironment. There is increasing evidence that many cancers initiate through acquisition of genetic mutations (loss of intrinsic control) in stem cells or their progenitors, followed by alterations of the surrounding microenvironment (loss of extrinsic control). In neurofibromatosis type 1 (NF1), deregulation of Ras s...

2011
I-PIng LIang Jen-Dar Chen ChuI-MeI TIu YI-hong Chou Cheng-Yen Chang

Abdominal neurogenic tumor is most commonly located in the retroperitoneum along the paravertebral sympathetic plexus and in the adrenal glands. Pancreatic neurogenic tumor is very rare. We present a case of pancreatic neurofibroma in a 44-year-old female who suffered from low back pain and epigastric discomfort. Serial imaging findings revealed a cystic tumor in the pancreatic body. Pancreatic...

2017
Leitao Huang Yi Ding Lai Qi Xia Wu Wei Li Gendong Huang Min Dai Bing Zhang

Neurofibromatosis type 1 (NF1) is an autosomal-dominant genetic disease characterized by the presence of multiple neurofibromas. We encountered a unique case of NF1 that manifested as a recurrent soft tissue neurofibroma in the right lower limb that developed over a period of 16 years. The patient presented with a painless mass that was initially diagnosed as inflammatory changes via computed t...

Journal: :Jornal de pediatria 2007
Luiz G Darrigo Mauro Geller Aguinaldo Bonalumi Filho David R Azulay

OBJECTIVE To assess prevalence of plexiform neurofibroma in children and adolescents with type I neurofibromatosis and its malignant potential. METHODS A retrospective study was conducted through analysis of the database at Centro Nacional de Neurofibromatose [Brazilian Neurofibromatosis Center], collected from the following reference services between 1996 and 2004: Instituto de Dermatologia ...

2015
John Richard McPherson Choon‐Kiat Ong Cedric Chuan‐Young Ng Vikneswari Rajasegaran Hong‐Lee Heng Willie Shun‐Shing Yu Benita Kiat‐Tee Tan Preetha Madhukumar Melissa Ching‐Ching Teo Joanne Ngeow Aye‐Aye Thike Steven George Rozen Puay‐Hoon Tan Ann Siew‐Gek Lee Bin‐Tean Teh Yoon‐Sim Yap

Neurofibromatosis type 1 (NF1) is a genetic disorder characterized by the development of multiple neurofibromas, cafe-au-lait spots, and Lisch nodules. Individuals with NF1 are at increased risk of developing various tumors, such as malignant peripheral nerve sheath tumor (MPNST), pheochromocytoma, leukemia, glioma, rhabdomyosarcoma, and breast cancer. Here, we describe the exome sequencing of ...

2012
Hui-Ling Chen Haeri Seol Kristy Jean Brown Heather Gordish-Dressman Ashley Hill Vittorio Gallo Roger Packer Yetrib Hathout

To bring insights into neurofibroma biochemistry, a comprehensive secretome analysis was performed on cultured human primary Schwann cells isolated from surgically resected plexiform neurofibroma and from normal nerve tissue. Using a combination of SDS-PAGE and high precision LC-MS/MS, 907 proteins were confidently identified in the conditioned media of Schwann cell cultures combined. Label fre...

Journal: :Otolaryngologia polska = The Polish otolaryngology 2014
Józef Komorski Łukasz Petz Jan Nienartowicz Łukasz Pałka

Neurofibroma is a benign tumour composed from Schwann cells. Localization in sinus maxillea is very rare. Authors presenting case which was treatment in Maxillo-Facial Surgery Clinic in Wrocław.

Journal: :The Ceylon medical journal 2006
S Tilakaratne V Jayasinghe

Journal: :Thorax 1993
L T Chow B S Shum W H Chow

A 21 year old man with type 1 neurofibromatosis was found dead in the middle of the night. Postmortem examination revealed a large neurofibroma arising from the right intrathoracic vagus nerve, which might have contributed to his sudden death.

Journal: :Journal of neurology, neurosurgery, and psychiatry 1972
M R Gooding

A case of neurofibroma of the filum terminale associated with syringomyelia is described. The relationship of spinal cord tumours and syringomyelia is discussed and a possible mode of formation of the syrinx in the present case is suggested.

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