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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Primary central nervous system lymphoma presenting as a pure third ventricular lesion: a case report. | Sasani et al. Journal of Medical Case Reports 2011 5 213 http www.jmedicalcasereports.eom content 5 1 213 JOURNALOF medical Ur Case REPORTS CASE REPORT Open Access Primary central nervous system lymphoma presenting as a pure third ventricular lesion a case report 1 23 1 1 4 Mehdi Sasani Muzaffer Bayhan Hadi Sasani Tuncay Kaner Tunc Oktenoglu Gokhan Cakiroglu and Ali Fahir Ozer1 Abstract Introduction Primary central nervous system lymphomas are infrequently occurring lymphomas that account for only 0.3-1.5 of all intra-cranial neoplasms in patients without acquired immune deficiency syndrome. However a pure third ventricle lymphoma is extremely rare. Here we discuss the similar radiological appearances of lesions localized in the third ventricle and the importance of accurately diagnosing primary central nervous system lymphomas for favorable treatment outcomes. Case presentation A 38-year-old Caucasian man from Turkey presented with a severe headache lasting for three months that failed to respond to any medication. Both severity and duration of the symptoms increased gradually resulting in vomiting nausea and gait disturbance that accompanied the headache for three weeks. Neuro-imaging studies showed a lesion located solely in the third ventricle resulting in partial obstruction of the foramen of Monro. The pre-operative diagnosis was a colloid cyst. Following the surgical procedure the results of pathological and immunochemical assays revealed that the pre-operative diagnosis was incorrect and that the lesion was a primary central system lymphoma. Conclusion Pure third ventricle lymphomas are extremely rare and are exceptionally localized. It is important to be aware of and to differentiate between other possible third ventricular lesions that may mimic the same radiological appearance. Accurate diagnosis is necessary for selecting appropriate treatment modalities. Introduction Primary central nervous system lymphomas PCNSL are infrequently occurring lymphomas .
