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MRI Findings of Primary Central Nervous System Lymphoma

Yin Wang

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Abstract

Objective To study the MRI signs of primary central nervous system lymphoma(PCNSL).Methods MRI features of PCNSL in 44 patients proven by pathology from January 2004 to September 2005 were analysed retrospectively.There were 29 men and 15 women,the age ranged from 12~76 years old with mean 53.Results The lesions localized at brain in 41 patients and spinal cord in 3.The lesions were multiple and single.The lesions were hypointense on T1WI and isointense or hyperintense on T2WI mostly.Nearlly all the lesions had parenchymatously massive or nodular enhancement,the minority has ring-like enhancement post contrast-enhanced scan.Conclusion PCNSL has certain MRI characteristic.The solitary or multiple lesions with obviously nodular enhancement,especial contact with cerebrospinal fluid space,the possibility of PCNSL diagnosis should be consider.

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What this paper is about

Objective To study the MRI signs of primary central nervous system lymphoma(PCNSL).Methods MRI features of PCNSL in 44 patients proven by pathology from January 2004 to September 2005 were analysed retrospectively.There were 29 men and 15 women,the age ranged from 12~76 years old with mean 53.Results The lesions localized at brain in 41 patients and spinal cord in 3.The lesions were multiple and single.The lesions were hypointense on T1WI and isointense or hyperintense on T2WI mostly.Nearlly all the lesions had parenchymatously massive or nodular enhancement,the minority has ring-like enhancement post contrast-enhanced scan.Conclusion PCNSL has certain MRI characteristic.The solitary or multiple lesions with obviously nodular enhancement,especial contact with cerebrospinal fluid space,the possibility of PCNSL diagnosis should be consider.

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Available abstract

Objective To study the MRI signs of primary central nervous system lymphoma(PCNSL).Methods MRI features of PCNSL in 44 patients proven by pathology from January 2004 to September 2005 were analysed retrospectively.There were 29 men and 15 women,the age ranged from 12~76 years old with mean 53.Results The lesions localized at brain in 41 patients and spinal cord in 3.The lesions were multiple and single.The lesions were hypointense on T1WI and isointense or hyperintense on T2WI mostly.Nearlly all the lesions had parenchymatously massive or nodular enhancement,the minority has ring-like enhancement post contrast-enhanced scan.Conclusion PCNSL has certain MRI characteristic.The solitary or multiple lesions with obviously nodular enhancement,especial contact with cerebrospinal fluid space,the possibility of PCNSL diagnosis should be consider.

Key concepts: Medicine, Primary central nervous system lymphoma, Radiology, Central nervous system, Lymphoma, Cerebrospinal fluid, Magnetic resonance imaging, Spinal cord

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