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Primary Central Nervous System Lymphomas; A Clinicopathologic Study of 18 Cases.
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HOME > J Pathol Transl Med > Volume 32(9); 1998 > Article
Original Article Primary Central Nervous System Lymphomas; A Clinicopathologic Study of 18 Cases.
Yu Kyung Jeong, Young Hyeh Ko, Dong Kyu Na, Yeon Lim Suh, Sang Yong Song, Dae Shik Kim, Mi Kyung Kim, Howe Jung Ree
Journal of Pathology and Translational Medicine 1998;32(9):670-679
DOI: https://doi.org/
1Department of Diagnostic Pathology, Samsung Medical Center Sungkyunkwan University, Seoul, Korea.
2Department of Radiology, Samsung Medical Center Sungkyunkwan University, Seoul, Korea.
3Department of Pathology, Chosun University Medical School, Korea.
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The incidence of a primary central nervous system (CNS) lymphoma in western countries is about 1% of all the intracranial tumors and has increased 2.2% over the last decade. A similar pattern of increased frequency is observed in Korea. Although most CNS lymphomas in western countries are high grade tumors carrying poor prognosis, the clinicopathologic features of the Korean CNS lymphoma have not been well studied. We report clinicopathological features of 18 cases of histologically proven primary brain lymphoma. The mean age of the patients was 50 years and there was no sex difference. The clinical and radiological characteristics included multiple site of occurrence, infrequent extracranial spread, and frequent seeding via cerebrospinal fluid. No patients were immune-compromised host. Of 18 cases, 15 cases were of B-lineage and 2 cases were of T-lineage. According to REAL classification, there were 12 cases of diffuse large B cell lymphoma, two cases of B cell lymphomas of small lymphoid cell, and two cases of peripheral T cell lymphoma, unspecified. The remaining subtypes were not subclassified because of inadequate material. Pleomorphic cytologic features and necrosis of varying extent were frequent in the cases of diffuse large B-cell lymphoma. These results suggest that overall clinicopathologic features of primary malignant lymphomas of the central nervous system in Korea are similar to those of western countries.

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