ECP 2023 Final Programme

E-Posters 147 ECP 2023 Dublin E-PS-12 003 Central mucoepidermoid carcinoma arising in glandular odontogenic cyst: a rare case report Fatma Al Hinai, North Macedonia H. Al Kindi, Z. Al Hajri, M. Al Saadi 004 Ameloblastoma featuring plexiform granular cell odontogenic tumour: an under-recognized entity Rasha Alrasheed, Saudi Arabia R. AlShagroud 005 Intratumour molecular heterogeneity in mucosal melanoma of the head and neck region Maria Vittoria Altavilla, Italy D. de Biase, C. Ricci, B. Corti, E. Pasquini, L. Presutti, A. Baietti, L. Amorosa, T. Balbi, C. Baldovini, F. Ambrosi, M. Grillini, A. D’Errico, M. Fiorentino, M. Foschini 006 Adenoid cystic carcinoma ex-pleomorphic adenoma: a case report João Luis Amaral, Portugal J. Pimentel, A. Alves, C. Courelas, L. Carvalho 007 Sinonasal non-intestinal type adenocarcino- ma with clear cell features: a morphologic and immunohistochemical study Giorgia Arcovito, Italy I. Dallan, A. Franchi 008 Primary head and neck paraganglioma cell culture expresses markers of cancer and mesenchymal stem cells Ildar Bakhtogarimov, Russia M. Fedorova, A. Kobelyatskaya, A. Ayupova, V. Pavlov, A. Kudruavtseva, A. Snezhkina 009 An infrequent case of odontogenic myxoma of the maxilla in a 28-year-old female Marie Barbesier, Switzerland L. Christe, S. Sancho, S. Berezowska 010 Laryngeal spindle cell carcinoma: a diagnostic challenge. Review of cases from the last 23 years in a tertiary hospital Gabriela Barrios Millán, Spain E. Ruiz-Bravo 011 An aggressive sinonasal tumour with neuroepithelial differentiation: olfactory carcinoma Manish Bundele, Singapore L. Rooper 012 Recidivant chordoma of the clivus with progression to dedifferentiated subtype: a case report on a rare entity Gonçalo Carrola, Portugal A. Rodrigues, D. Sá, F. Sousa Vieira, J. Brandão 013 Methodology for fluorescence signal analysis in head and neck cancer surgical specimen after indocyanine green intravenous injection: MAGNOLIA project Odile Casiraghi, France G. Marguerit, P. Khneisser, N. Ben Romdhane, I. Breuskin, S. Temam, P. Gorphe, M. Abbaci 014 Precursor lesions of odontogenic carcino- mas: case report of an intraosseous mucoepidermoid carcinoma developed on a dentigerous cyst João Paulo Pereira De Castro, Portugal J. Azevedo, M. Alzamora, A. Varelas, J. Costa, C. Meireles, T. Bacelar, M. Jácome 016 Sinonasal meningioma: a case report Deniz Ceyran, Turkey T. Çiftçi, K. Başak 017 The possible prognostic role of Mena in oral squamous cell carcinoma Rebeca Chiciudean, Romania L. Banias, Z. Kovacs, I. Jung, D. Bereczki- Temistocle, S. Gurzu 018 A simple case of a Warthin tumour or maybe more? Filippos Dolkiras, Greece N. Stavrinou, E. Spiteri, E. Athanasiou, C. Vourlakou