نتایج جستجو برای: papillary meningioma m0337837

تعداد نتایج: 28352  

Rhabdoid papillary meningioma is an uncommon aggressive variant of meningioma which has the potential to metastasize and spread throughout the brain and even out of the cranium. Herein, we present recurrence of the brain tumor in a 26-year-old woman. The patient had history of the surgery for two lesions in the right temporal lobe and the left cerebellopontine angle. Imaging showed three lesion...

Journal: :Acta neurologica Scandinavica 2000
J M Kros F Cella S L Bakker D Paz Y Geuze R M Egeler

Papillary meningiomas are rare meningeal tumors which are associated with a grim prognosis. These tumors usually recur locally and in some cases they metastasize. The clinical, radiological and histopathological features of a case of a papillary meningioma with a pleural metastasis in a 13-year-old boy are presented. The literature on metastasizing papillary meningiomas is reviewed. Up to now, ...

Journal: :International journal of clinical and experimental pathology 2013
Dai-Jun Wang Ming-Zhe Zheng Ye Gong Qing Xie Yin Wang Hai-Xia Cheng Ying Mao Ping Zhong Xiao-Ming Che Cheng-Chuan Jiang Feng-Ping Huang Kang Zheng Shi-Qi Li Yu-Xiang Gu Wei-Min Bao Bo-Jie Yang Jing-Song Wu Li-Qian Xie Hai-Liang Tang Hong-Da Zhu Xian-Cheng Chen Liang-Fu Zhou

Papillary meningioma is a rare subtype of malignant meningiomas, which is classified by the World Health Organization as Grade III. Because of lack of large sample size case studies, many of the specific characteristics of papillary meningioma are unclear. This study investigated by retrospective analysis the clinical, radiological and histopathological findings of 17 papillary meningioma patie...

2012
Xiao-Bing Jiang Chao Ke Zhi-An Han Shao-Hua Lin Yong-Gao Mou Rong-Zhen Luo Shao-Xiong Wu Zhong-Ping Chen

Both intraparenchymal papillary meningioma and papillary meningioma with cyst formation of brainstem have never been reported. The authors present an extremely rare case of patient with intraparenchymal papillary meningioma of brainstem. A 23-year-old Chinese male presented with a 4-month history of progressive left upper limb and facial nerve palsy. Magnetic resonance imaging revealed a cystic...

2017
M T Mandara A Reginato G Foiani S De Luca G Guelfi

BACKGROUND Matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) are considered to be key mediators of tumor invasion and metastasis. MMP-2 and MMP-9 are expressed in meningiomas of dogs, but TIMP expression, and variations of specific MMP/TIMP ratios still are unknown in this tumor. HYPOTHESIS/OBJECTIVES Expression of MMP/TIMP might increase progressively from ...

Journal: :Diagnostic Pathology 2007
Singh Avninder Sarvjot Vermani Sharma Shruti Karam Chand

BACKGROUND Papillary meningiomas are rare meningeal tumors and are associated with aggressive clinical behavior as compared with other meningiomas. Because of their rare occurrence, they may pose a diagnostic dilemma to the unwary pathologist. We report a case of papillary meningioma in a 16-year-old boy. CASE PRESENTATION A 16-year-old boy presented with complaints of headache, progressively...

Journal: :Journal of Korean Neurosurgical Society 2011

2012
Hyool Kim Tae-Young Jung In-Young Kim Jung-Kil Lee

We report here two cases of primary intraosseous meningioma with aggressive behavior. A 68-year-old man presented with a one year history of a soft, enlarging mass in the right parietal region. Magnetic resonance image (MRI) revealed a 6 cm sized, heterogeneously-enhancing, bony expansile mass in the right parietal bone, and computed tomograph (CT) showed a bony, destructive lesion. The tumor, ...

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