ECP 2023 Final Programme

E-Posters 158 E-PS-17 004 Primary EBV-negative CNS T cell lympho- ma in a patient with B cell chronic lymphocytic leukaemia: a case report Lina Cardisciani, Italy M. Maracci, L. Di Sciascio, M. Martinoni, C. Tonon, R. Liguori, P. Zinzani, E. Sabattini, S. Asioli 005 A possible diagnostic pitfall in tumours of pineal gland region in adults: poorly differentiated primary glial tumour with primitive neuroectodermal differentiation Toni Čeprnja, Croatia K. Žarković, I. Brnadić, I. Lukić, D. Grubišić, A. Jakovčević 006 Cerebral amyloid angiopathy and neurode- generative pathologies: beyond Alzheimer’s disease Anas Chaachou Charradi, Spain I. Burgueño García, M. Riba Barroso, S. Ramón y Cajal Agüeras, A. Rábano Gutiérrez, E. Martínez Sáez 007 Secondary diffuse large B-cell lymphoma of the CNS: a case report Jorge Luis Delgado Fernández, Spain I. Marquina Ibáñez, J. Alfaro Torres, S. Hakim Alonso, J. Lazaro Maisanava, N. Martínez Arnau, J. Martínez Castillón, L. Leon, J. Medrano Ruiz, A. Carilla Sanromán 008 OPN overexpression in psammomatous meningiomas Anastasiia Denysenko, Ukraine R. Moskalenko 009 Spindle cell oncocytoma and granular cell tumour of the pituitary gland: report of three cases Omar El Mnif, Tunisia F. Sassi, A. Zehani, A. Ayari, B. Chelly, H. Azzouz, I. Chelly, K. Bellil, S. Haouet 010 Immunohistochemical expression of MUC-4 in different subtypes of meningioma: descriptive study of all cases diagnosed in our hospital over a two-year period Iria Fernández, Spain J. López, A. Tarín, J. Rosselló, L. Aguirrezabal, L. Ortega, S. Fernández 011 Morphological and immunophenotypic features of gliosarcoma María Jesús Gil-Belmonte, Spain G. Urreta-Juárez, B. Agredano-Ávila, M. Berenguel-Ibáñez, F. Velasco-Albendea 012 Isocytrate dehidrogenase 1 and 2 (IDH1and IDH2) mutations in brain gliomas – associa- tion with tumour grade and patients age Dzengis Jasar, North Macedonia K. Kubelka - Sabit, V. Filipovski, E. Stojkoska 013 Change in macrophage subtypes ratio is a risk factor for intracranial aneurysm rupture: results of an extended study Miroslav Koblizek, Czech Republic M. Hundza Stratilova, A. Hejcl, A. Steklacova, V. Benes, J. Zamecnik 014 Primary central nervous system GFAP-neg- ative pleomorphic tumour with histiocytic differentiation? Olga Kuczkiewicz-Siemion, Poland M. Zdzienicki, P. Rutkowski, K. Seliga, A. Tysarowski, A. Szumera-Ciećkiewicz 015 Alk-positive histiocytosis of the cavernous sinus and sellar region in an elderly woman Maria Eugenia Maracci, Italy L. Cardisciani, C. Ravaioli, E. Sabattini, M. Zoli, D. Mazzatenta, S. Asioli 016 Primary melanoma of the brain: a case report of an extremely rare tumour Ioannis Provatas, Greece P. Pantoula, E. Ventouri, D. Glarelis, M. Karagianni 017 Myeloid sarcoma of the brain and spinal cord: three case reports Sila Yilmaz Erozbek, Turkey N. Yeldir, A. Çakır