ECP 2023 Final Programme

E-Posters 150 E-PS-12 051 Pharyngolaryngeal amyloidosis. Five years experience in a single institution María Guadalupe Rodríguez Guevara, Spain C. Martinez Martinez, S. Fernández Cascón, J. Alzoghby-Abi-Chaker, O. García-Galvis, S. Marín Asensio, E. Honrado-Franco, S. Sáez-Ávarez 052 Pleomorphic adenoma of the parotid gland with canalicular adenoma-like morphology: a recently recognized distinct subtype Filipa Rosa, Portugal M. Rito, J. Ortiz-Rey, C. Martins, I. Fonseca 053 Collision tumour of sclerosing microcystic adenocarcinoma and squamous cell carcinoma of the tongue: an exceptional case report Onur Sahin, Turkey M. Karabulut, Y. Duymaz, I. Zemheri 054 Low-grade nasopharyngeal papillary adenocarcinoma with breast metastasis: a unique case report Onur Sahin, Turkey M. Karabulut, S. Cetin, Y. Duymaz, I. Zemheri 055 Two paediatric immature teratoma cases located in the head and neck region Kübra Şimşek, Turkey A. Yavuz, G. Karaguzel, N. Yaprak Barıt, I. Gurer 056 Myoepithelial carcinoma: a case report and short review of the literature Efthymia Souka, Greece G. Galanopoulos, G. Stanc, P. Bafaloukos, G. Sgouros, O. Tzaida 057 BRAF p.V600E-mutated papillary-cystic neoplasm of the middle ear: Expanding the spectrum of the sialadenoma papilliferum family tumours Olga Stanowska, Switzerland C. Götting, M. Caversaccio, A. Agaimy, S. Weder 058 Ectopic olfactory neuroblastoma (ONB) of the sellar region: report of a rare case and review of the literature Margherita Testa, Italy S. Uccella, R. D’Amato Pascarella, S. La Rosa 059 Agnostic and potential agnostic biomarkers and their relationship with prognosis in squamous cell carcinomas of the larynx: in silico evaluation Muhammed Hasan Toper, Turkey A. Tan, S. Sarioglu 060 Determining clinically relevant histopatho- logical parameters of the invasive margin in head and neck squamous cell carcinomas Sofia-Eleni Tzorakoleftheraki, Greece T. Koletsa, K. Markou, S. Chrisafi, E. Daskalaki, E. Sgouramali, P. Hytiroglou, V. Kotoula 061 Report of rare malignant tumour of the larynx: spindle cell squamous cell carcinoma (SCSCC) with heterologous component of malignant chondroid differentiation Emmanouela Vouza, Greece M. Theodorakopoulou, E. Boltetzou 062 Expression of MMPs in assessing the effectiveness of therapy in patients with chronic generalised periodontitis Viktoryia Zakharava, Belarus L. Kazeko, J. Benesh E-PS-13 E-Posters History of Pathology 001 NGS evaluation of an ovarian neoplasm of a 19th century natural mummy from Goriano Valli, Central Italy Claudio Bellevicine, Italy F. Pepe, C. De Luca, C. Mercurio, A. Avitabile, M. Traversari, L. Ventura 002 The national specialty exam in Spain; pathology questions related to images María José Gálvez, Spain F. Leiva-Cepas, I. Sánchez Ramírez, S. Haro Yuste, J. Osuna Soto, A. Sanz Zorrilla E-PS-13