ECP 2022 Final Programme

E-Posters 138 E-PS-11 014 Odontogenic keratocysts in the setting of Nevoid Basal Cell Carcinoma Syndrome: a case report and literature review with an emphasis on CD56 immunohistochemistry analysis Maria Alzamora, Portugal J. Azevedo, J. Vaz Silva, R. Guimarães, P. Lopes, M. Jácome 015 A rare tumour of the parotid gland: lymphoepithelial carcinoma Müzeyyen Müge Savas, Turkey M. Karabulut 016 Filamin-A expression in laryngeal squamous cell carcinoma and its clinical significance Abderrahman Ouban, Saudi Arabia 017 An unusual case report of carcinoma ex pleomorphic adenoma with double morphology: salivary duct carcinoma and squamous cell carcinoma Monika Durzynska, Poland J. Zwolinski, K. Seliga, I. Michałek, E. Bakula- Zalewska 018 Sinonasal glomangiopericytoma; a case report and histopathological overview Hansavika Maddumage, United Kingdom R. Rana, T. Wijesiri, S. Sunkaraneni, I. Bagwan 019 Submandibular adult type rhabdomyoma – a case report Ana Alves, Portugal R. Almeida, C. Courelas, J. Madeira, J. Gama, M. Cipriano 020 Primary nasopharyngeal papillary adenocarcinoma: report of a rare entity and review of the literature Soumaya Graja, Tunisia C. Chaari, I. Saguem, M. Manai, O. Boudawara, M. Mnejja, T. Boudawara, R. Kallel 021 Human papillomavirus-related multiphe- notypic sinonasal carcinoma: a report of three cases Jong-Hee Nam, Republic of Korea Y. Choi 022 High-grade transformation of acinic cell carcinoma with amplification of HER2 gene Chung-Yen Huang, Taiwan Y. Lee, M. Hsieh 023 Desmoplastic small round cell tumour of parotid gland: a rare case report Nayana Chandran, India K. Sigamani 024 Mandibular osteosarcoma: a retrospective study with review of the literature Saadia Makni, Tunisia Y. Loukil, M. Triki, I. Saguem, C. Chaari, W. Ghribi, T. Boudawara, M. Mellouli 025 Benign smooth muscle proliferations of the tongue. Retrospective cohort study of a case series in a 31-year single institu- tion Monica Bronte Anaut, Spain J. Arredondo Montero, A. Larrea, G. Aísa Rivera, A. Echegoyen Silanes, J. Elizalde Eguinoa, P. Fernandez Seara 026 Diagnostic challenge: rare secretory carcinoma subtype identified in a parotid carcinoma ex pleomorphic adenoma Iris-Mara Mergeanu, Romania O. Patrascu, A. Voinovici, M. Sajin, M. Costache 027 Unique initial manifestation of salivary gland adenoid cystic carcinoma as a solitary liver metastasis Dina Tiniakos, Greece/UK D. Myoteri, E. Stoupi, J. Koskinas