Yıl: 2020 Cilt: 26 Sayı: 1 Sayfa Aralığı: 42 - 46 Metin Dili: İngilizce DOI: 10.4274/tnd.galenos.2019.44520 İndeks Tarihi: 02-05-2020

Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report

Öz:
Neurofibromatosis type 1 (NF1) and type 2 (NF2) are autosomal dominant diseases. Patients with NF1 or NF2 have the potential to develop benign and malignanttumors. We present a 17-year-old patient with undiagnosed NF1-related multiple plexiform neurofibromas (PNs). The patient was admitted to our department forhis left limb paresthesia. He had café-au-lait spots spread over his body and his cervical, thoracic, and lumbosacral magnetic resonance imaging (MRI) of the spineshowed multiple PNs. Among his family members, only his father had café-au-lait spots. He refused to have genetic analysis and biopsy of the lesions. Even thoughclinical symptoms of neurofibromas vary according to the localization of lesions, it is known that PNs could be asymptomatic throughout life. Surgical treatmentfor PNs is essential. Phase 2 clinical trials have been performed for the medical treatment of PNs and further research on this subject is ongoing. Extensive growthof the tumors and invasion of surrounding tissues made resection of PNs difficult in the patient. Therefore, he had annual MRI follow-ups to assess the growthrate of the neurofibromas and transformation to malignant peripheral nerve-sheath tumors. This case was demonstrative to show multiple PNs. The presence ofas much multiple PNs as in our patient is rare.
Anahtar Kelime:

Konular: Nörolojik Bilimler

Nörofibromatozis Tip 1 İlişkili Multipl Pleksiform Nörofibromlar: Bir Olgu Sunum

Öz:
Nörofibromatozis tip 1 (NF1) ve tip 2 (NF2) otozomal dominant hastalıklardır. NF1 veya NF2 olan hastalar benign ve malign tümörler geliştirme potansiyeline sahiptir. NF1 tanısı olmayan çok sayıda pleksiform nörofibromu (PN) olan 17 yaşında bir hastayı sunduk. Hasta sol bacak parestezisi nedeniyle bölümümüze başvurdu. Vücudunda yaygın café-au-lait lekeleri olan hastanın servikal, torasik ve lumbosakral spinal manyetik rezonans görüntülemesinde (MRG) birden fazla PN saptandı. Aile üyeleri arasında sadece babasının café-au-lait lekeleri vardı. Hastamız genetik analiz ve lezyon biyopsisi yaptırmayı reddetti. Nörofibromların klinik semptomları lezyonların lokalizasyonuna göre değişmekle birlikte, PN’lerin yaşam boyunca asemptomatik olabileceği bilinmektedir. Cerrahi tedavi PN’ler için esastır. PN’lerin medikal tedavisi için faz 2 klinik çalışmalar bulunmaktadır ve bu konuyla ilgili araştırmalar devam etmektedir. Hastamızda tümörlerin yaygın şekilde büyümesi ve çevresindeki dokuları istila etmesi, tümörlerin rezeksiyonunu zorlaştırmıştır. Bu nedenle hasta nörofibromların büyüme hızını ve malign periferik sinir kılıfı tümörlerine dönüşümü değerlendirmek için yıllık MRG kontrolleri ile takip edildi. Bu olgu spinal MRG’sinde multipl PN’ler olması nedeni ile demonstratifti. Hastamızda olduğu gibi çok fazla sayıda PN’lerin varlığı nadir görülen bir durumdur.
Anahtar Kelime:

Konular: Nörolojik Bilimler
Belge Türü: Makale Makale Türü: Olgu Sunumu Erişim Türü: Erişime Açık
  • 1. Jett K, Friedman JM. Clinical and genetic aspects of neurofibromatosis 1. Genet Med 2010;12:1-11.
  • 2. Yohay KH. The Genetic and Molecular Pathogenesis of NF1 and NF2. Semin Pediatr Neurol 2006;13:21-26.
  • 3. Cichowski K, Jacks T. NF1 tumor suppressor gene function: narrowing the GAP. Cell 2001;104:593-604.
  • 4. Weiss B, Bollag G, Shannon K. Hyperactive Ras as a therapeutic target in neurofibromatosis type 1. Am J Med Genet 1999;89:14-22.
  • 5. Rodriguez FJ, Perry A,Guttmann DH, et al. Gliomas in Neurofibromatosis Type 1: A clinicopathologic study of 100 patients. J Neuropathol Exp Neurol 2008;67:240-249.
  • 6. Evans DG, Birch JM, Ramsden RT. Paediatric presentation of type 2 Neurofibromatosis. Arch Dis Child 1999;81:496-499.
  • 7. Tucker T, Friedman JM, Friedrich RE, Wenzel R, Fünsterer C, Mautner VF. Longitudinal study of neurofibromatosis 1-associated plexiform neurofibromas. J Med Genet 2009;46:81-85.
  • 8. No authors listed. Neurofibromatosis. Conference statement. National Institutes of Health Consensus Development Conference. Arch Neurol 1988;45:575-578.
  • 9. Huson SM, Harper PS, Compston DA. Von Recklinghausen neurofibromatosis. a clinical and population study in south-east Wales. Brain 1988;111:1355- 1381.
  • 10. Lammert M, Friedman JM, Kluwe L, Mautner VF. Prevalence of neurofibromatosis 1 in German children at elementary school enrolment. Arch Dermatol 2005;141:71-74.
  • 11. Korf BR. Plexiform Neurofibromas. Am J Med Genet 1999;89:31-37.
  • 12. Ratner N, Miller SJ. A RASopathy gene commonly mutated in cancer: the neurofibromatosis type 1 tumour suppressor. Nat Rev Cancer 2015;15:290- 301.
  • 13. Gutmann DH, Aylsworth A, Carey JC, et al. The diagnostic evaluation and multidisciplinary management of neurofibromatosis 1 and neurofibromatosis 2. JAMA 1997;278:51-57.
  • 14. Hope DG, Mulvihill JJ. Malignancy in neurofibromatosis. Adv Neurol 1981;29:33-56.
  • 15. Evans DG, Baser ME, McGaughran J, Sharif S, Howard E, Moran A. Malignant peripheral nerve sheath tumours in neurofibromatosis 1. J Med Genet 2002;39:311-314.
  • 16. McGaughran JM, Harris DI, Donnai D, et al. A clinical study of type 1 neurofibromatosis in north west England. J Med Genet 1999;36:197-203.
  • 17. Rasmussen SA, Yang Q, Friedman JM . Mortality in neurofibromatosis 1: an analysis using U.S. death certificates. Am J Hum Genet 2001;68:1110-1118.
  • 18. Riccardi VM. Pathophysiology of neurofibromatosis. IV. Dermatologic insights into heterogeneity and pathogenesis. J Am Acad Dermatol 1980;3:157-166.
  • 19. Sbidian E, Hadj-Rabia S, Riccardi VM, et al. Clinical characteristics predicting internal neurofibromas in 357 children with neurofibromatosis-1: results from a cross-sectional study. Orphanet J Rare Dis 2012;7:62.
  • 20. Tonsgard JH, Kwak SM, Short MP, Dachman AH. CT imaging in adults with neurofibromatosis-1. Frequent asymptomatic plexiform lesions. Neurology 1988;50:1755-1760.
  • 21. Schorry EK, Crawford AH, Egelhoff JC, Lovell AM, Saal HM. Thoracic tumors in children with neurofibromatosis 1. Am J Med Genet 1997;74:533- 537.
  • 22. Dugoff L, Sujansky E. Neurofibromatosis type 1 and pregnancy. Am J Med Genet 1996;66:7-10.
  • 23. Overdiek A, Winner U, Mayatepek E, Rosenbaum T. Schwann cells from human neurofibromas show increased proliferation rates under the influence of progesterone. Pediatr Res 2008;64:40-43.
  • 24. Mautner VF, Hartmann M, Kluwe L, Friedrich RE, Fünsterer C. MRI growth patterns of plexiform neurofibromas in patients with neurofibromatosis type 1. Neuroradiology 2006;48:160-165.
  • 25. Mautner VF, Friedrich RE, von Deimling A, et al. Malignant peripheral nerve sheath tumours in neurofibromatosis type 1: MRI supports the diagnosis of malignant plexiform neurofibroma. Neuroradiology 2003;45:618-625.
  • 26. Pinson S, Creange A, Barbarot S, et al. Neurofibromatosis 1:recommendations for management. Arch Pediatr 2002;9:49-60.
  • 27. Ferner RE. Neurofibromatosis 1. Eur J Hum Genet 2007;15:131-138.
  • 28. Ferner RE, Lucas JD, O’Doherty MJ, et al. Evaluation of (18) fluorodeoxyglucose positron emission tomography [(18)FDG PET] in the detection of malignant peripheral nerve sheath tumours arising from within plexiform neurofibromas in neurofibromatosis 1. J Neurol Neurosurg Psychiatry 2000;68:353-357.
  • 29. Brenner W, Friedrich RE, Gawad KA, et al. Prognostic relevance of FDG PET in patients with neurofibromatosis type 1 and malignant peripheral nerve sheath tumours. Eur J Nucl Med Mol Imaging 2006;33:428-432.
  • 30. Mautner VF, Brenner W, Fünsterer C, Hagel C, Gawad K, Friedrich RE. Clinical relevance of positron emission tomography and magnetic resonance imaging in the progression of internal plexiform neurofibroma in NF1. Anticancer Res 2007;27:1819-1822.
  • 31. Dombi E, Baldwin A, Marcus LJ, et al. Activity of selumetinib in neurofibromatosis type 1-related plexiform neurofibromas. N Engl J Med 2016;375:2550-2560.
APA Bayram T, BAYRAM D, Tireli H (2020). Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. , 42 - 46. 10.4274/tnd.galenos.2019.44520
Chicago Bayram Tamer,BAYRAM DERYA,Tireli Hülya Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. (2020): 42 - 46. 10.4274/tnd.galenos.2019.44520
MLA Bayram Tamer,BAYRAM DERYA,Tireli Hülya Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. , 2020, ss.42 - 46. 10.4274/tnd.galenos.2019.44520
AMA Bayram T,BAYRAM D,Tireli H Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. . 2020; 42 - 46. 10.4274/tnd.galenos.2019.44520
Vancouver Bayram T,BAYRAM D,Tireli H Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. . 2020; 42 - 46. 10.4274/tnd.galenos.2019.44520
IEEE Bayram T,BAYRAM D,Tireli H "Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report." , ss.42 - 46, 2020. 10.4274/tnd.galenos.2019.44520
ISNAD Bayram, Tamer vd. "Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report". (2020), 42-46. https://doi.org/10.4274/tnd.galenos.2019.44520
APA Bayram T, BAYRAM D, Tireli H (2020). Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. Türk Nöroloji Dergisi, 26(1), 42 - 46. 10.4274/tnd.galenos.2019.44520
Chicago Bayram Tamer,BAYRAM DERYA,Tireli Hülya Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. Türk Nöroloji Dergisi 26, no.1 (2020): 42 - 46. 10.4274/tnd.galenos.2019.44520
MLA Bayram Tamer,BAYRAM DERYA,Tireli Hülya Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. Türk Nöroloji Dergisi, vol.26, no.1, 2020, ss.42 - 46. 10.4274/tnd.galenos.2019.44520
AMA Bayram T,BAYRAM D,Tireli H Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. Türk Nöroloji Dergisi. 2020; 26(1): 42 - 46. 10.4274/tnd.galenos.2019.44520
Vancouver Bayram T,BAYRAM D,Tireli H Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report. Türk Nöroloji Dergisi. 2020; 26(1): 42 - 46. 10.4274/tnd.galenos.2019.44520
IEEE Bayram T,BAYRAM D,Tireli H "Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report." Türk Nöroloji Dergisi, 26, ss.42 - 46, 2020. 10.4274/tnd.galenos.2019.44520
ISNAD Bayram, Tamer vd. "Neurofibromatosis Type 1-related Multiple Plexiform Neurofibromas: A Case Report". Türk Nöroloji Dergisi 26/1 (2020), 42-46. https://doi.org/10.4274/tnd.galenos.2019.44520