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Perineural Spreading along the Trigeminal Nerve in a Patient with Primary Intracranial Malignant Lymphoma : a case report Hirooki WAKAMOTO 1 , Hiromichi MIYAZAKI 1 , Hideyuki TOMITA 1 , Naomi ISHIYAMA 1 1Department of Neurosurgery, Hiratsuka City Hospital Keyword: malignant lymphoma , Meckel's cave , perineural tumor , trigeminal nerve pp.471-476
Published Date 2000/5/10
DOI https://doi.org/10.11477/mf.1436901895
  • Abstract
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We report a rare primary intracranial malignant lymphoma which spread along the trigeminal nerve through the skull base foramen. The patient was a 50-year-old woman, who was diagnosed as having a primary intracranial malignant lymphoma in the right temporal lobe and had undergone an operation and radiation 5 years previously. The tumor was reduced in size and no recurrent tumor could be detected for 5 years. The patient complained of left face swelling and CT scan revealed a large mass in the pterygopala-tine fossa. MRI revealed the recurrent tumor in the left Meckel's cave with extension into the cavernous sinus. The tumor extended through the foramen ovale into the pterygopalatine fossa, through the superior orbital fissure into the orbital cavity and through the infraorbital fossa into the face subcutaneously. Biop-sy of the subcutaneous tumor was carried out and the pathological diagnosis was malignant lymphoma, B cell type, which was identical with the initial tumor. MRI revealed the enlarged trigeminal nerve and 3D-CT revealed the enlargement of the infraorbital fossa and the foramen ovale. We suspected that primary intracranial malignant lymphoma had recurred in the left Meckel's cave and the tumor had spread along the peripheral three divisions of the trigeminal nerve. Perineural spreading along the trigeminal nerve pas-sing through the skull base in patients with nasopharyngeal carcinoma is not rare, but this rarely occurs in the case of intracranial tumors.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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