Neurofibromatosis 1
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Neurofibromatosis type 1 is a neurocutaneous genetic disorder caused by mutations in the NF1 gene, resulting in the formation of benign tumors called neurofibromas. The most common type of tumor seen in patients with neurofibromatosis type 1 is the slow-growing and benign neurofibroma, with a subtype called plexiform neurofibroma being particularly common and causing pain, functional impairment, and cosmetic disfigurement.
4p vitiki 30-01-2024 2 2 Download
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Neurofibromatosis type 1 (NF1), the most common tumor predisposition syndrome, occurs when NF1 gene variants result in loss of neurofibromin, a negative regulator of RAS activity. Plexiform neurofibromas (PN) are peripheral nerve sheath tumors that develop in patients with NF1 and are associated with substantial morbidity and for which, until recently, the only treatment was surgical resection.
12p visharma 20-10-2023 8 2 Download
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Malignant peripheral nerve sheath tumors (MPNSTs) are rare and can be associated with type 1 neurofibromatosis. They are rarely located at the mediastinum, most often at the posterior mediastinal compartment or the paravertebral gutters. MPNSTs of the anterior mediastinum arising from the phrenic nerve are exceptional.
5p viintuit 26-09-2023 0 0 Download
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Multiple intracranial meningiomas refer to the presence of multiple meningiomas in multiple intracranial locations in the same patient without signs of neurofibromatosis. The incidence varies from 1% to 10%. Despite the diversity, the prognosis of multiple intracranial meningiomas has no difference from that of benign solitary meningioma.
5p viharry 15-12-2022 6 2 Download
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U sợi thần kinh type 1 (neurofibromatosis type 1 - NF1) là bệnh di truyền trội trên nhiễm sắc thể (NST) thường do đột biến gen neurofibromin (NF1) gây ra. Bệnh có biểu hiện đặc trưng là các khối u ở mô thần kinh, thường gặp trên da. Nghiên cứu với mục tiêu mô tả đặc điểm lâm sàng, gia hệ, kết quả xét nghiệm gen NF1 và tư vấn di truyền của ba ca bệnh NF1. Nghiên cứu qua khai thác phả hệ, tiền sử, bệnh sử, thăm khám lâm sàng sơ bộ.
8p vishivnadar 21-01-2022 21 0 Download
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Jaffe-Campanacci is a rare syndrome characterised by the association of café-au-lait spots, axillary freckles, multiple non-ossifying fibromas of the long bones and jaw, as well as some features of type 1 neurofibromatosis.
6p viannito2711 20-04-2021 10 2 Download
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Neurofibromatosis type 1 (NF1) is a rare multisystem genetic disorder. During the course of the disease it can be rarely complicated with pulmonary hypertension (PH) which confers a dismal prognosis.
4p vimaine2711 26-03-2021 10 2 Download
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Spinal deformities constitute one of the most common types of manifestations of neurofibromatosis type-1 (NF-1), which can lead to either dystrophic or non-dystrophic early-onset scoliosis (EOS). Surgical treatment for EOS with NF-1 is challenging, and the outcomes have rarely been reported.
11p vimariana2711 22-12-2020 5 0 Download
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Anticancer compound 3-bromopyruvate (3-BrPA) suppresses cancer cell growth via targeting glycolytic and mitochondrial metabolism. The malignant peripheral nerve sheath tumor (MPNST), a very aggressive, therapy resistant, and Neurofibromatosis type 1 associated neoplasia, shows a high metabolic activity and affected patients may therefore benefit from 3-BrPA treatment.
11p virose2711 25-09-2020 14 1 Download
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Gender-based differences in disease onset in murine models of malignant peripheral nerve sheath tumor (MPNST) and in patients with Neurofibromatosis type-1-(NF-1)-associated or spontaneous MPNST has not been well studied.
8p vilisa271 22-09-2020 12 1 Download
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Neurofibromatosis 1 is one of the most common genetic diseases in humans, presenting with multiple neurofibromas and an increased risk of various benign and malignant tumors, including breast cancer.
4p vialabama2711 21-09-2020 6 0 Download
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Neurofibromatosis type 1 is a relatively common inherited disorder. Patients with neurofibromatosis type 1 are at high risk of developing neurogenic, neuroendocrine and mesenchymal intra-abdominal tumors. Although coexistence of multiple tumors of different types is frequent in neurofibromatosis type 1, simultaneous occurrence of abdominal tumors of three types in very rare.
5p vidhaka2711 31-07-2020 14 1 Download
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NF1 (Neurofibromatosis type 1) is an autosomal dominant genetic disorder. Patients with NF1 have an increased risk of developing benign or malignant tumours, such as gastrointestinal stromal tumours (GISTs).
6p vikuala271 13-06-2020 9 1 Download
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Pediatric low-grade gliomas (PLGG) are the most frequent brain tumors in children. Up to 50% will be refractory to conventional chemotherapy. It is now known that the majority of PLGG have activation of the MAPK/ ERK pathway.
9p vikuala271 13-06-2020 14 1 Download
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Neurofibromatosis-Noonan syndrome (NFNS) is a rare autosomal dominant hereditary disease. We present a case of NFNS due to the heterozygous deletion of exons 1–58 of the NF1 gene on chromosome 17 in a 15-month-old boy.
5p viorochimaru2711 29-05-2020 18 1 Download
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Neurofibromatosis 1 and 2, although involving two different tumour suppressor genes (neurofibromin and merlin, respectively), are both cancer predisposition syndromes that disproportionately affect cells of neural crest origin. New therapeutic approaches for both NF1 and NF2 are badly needed.
13p vimax2711 27-03-2020 10 0 Download
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The mid-long term outcomes of posterior spinal fusion in pediatric neurofibromatosis type 1 (NF-1) patients are rarely reported, so does the effectiveness of itsorthopeidc maintenance function.
9p vivalanbo2711 19-03-2020 10 1 Download
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In Neurofibromatosis type 1, cerebral Unidentified Bright Objects are a well-known benign entity that has been extensively reported in the literature. In our case series, we wish to focus on a further possible location of such lesions, the spinal cord, which we have defined as medullary Unidentified Bright Objects.
5p vidr2711 19-02-2020 9 1 Download
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Rasopathies are a group of genetic malformative syndromes including neurofibromatosis 1, Noonan, LEOPARD, Costello, cardio-facio-cutaneous, Legius, and capillary malformation-arteriovenous malformation syndromes.
4p vidublin2711 13-01-2020 8 0 Download
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Thường gặp, 1/500-1000 tử thiết Thường do dính 2 cực dưới thận (90%) Dễ nhiễm trùng, tạo sỏi Thường kết hợp với HC turner (monosomy X) Trisomy 18 Neurofibromatosis type 1 Bất sản hậu môn trực tràng Sarcom cơ vân
90p dell_12 27-06-2013 62 7 Download