ECP 2022 Final Programme

E-Posters 118 E-PS-02 018 To explore the changes of 21 gene detection in the 2022 version of the breast cancer NCCN guidelines and the interpretation of the 21 gene in breast cancer in the 2017 version of the guidelines Yueping Liu, China Y. Jia, S. Li 019 Association between protein expression of KISS1 and KISS1R and receptor status in invasive breast carcinoma Svitlana Bachurska, Bulgaria D. Pupaki 020 Primary neuroendocrine breast carcinoma or metastatic lung cancer? The role of a careful interpretation of GATA-3 Jacopo Caschili, Italy A. Ravarino, L. Nonnis, R. Murru, C. Gerosa, G. Faa, D. Fanni 021 Challenging diagnosis in breast undiffer- entiated sarcoma – a case report Florina Almarii, Romania A. Blajin, D. Terzea, L. Welt, G. Lica, G. Halcu, I. Popa 022 Incidental invasive lobular carcinoma aris- ing in a fibroepithelial lesion Lynsey Williams, United Kingdom A. Arnaout 023 Subtleties of early breast implant-associ- ated anaplastic large cell lymphoma – a potential for missed-diagnosis Salih Bakhiet, United Kingdom A. Behzadnia, H. Ali, N. Duhli, L. Karsai, A. Elhag, N. Briggs, M. Rourke, A. Rahman, B. Wooler 024 A rare, unusual case of eosinophilic mastitis: case report Thanikachalam Pasupati Meenakshi, Malaysia B. Karikalan 025 Acquired lymphangiectasia following surgery and radiotherapy of breast cancer: report of two cases Soumaya Graja, Tunisia M. Mellouli, S. Makni, M. Manai, N. Gouiaa, C. Kammoun, T. Boudawara, I. Saguem 026 Cystic neutrophilic granulomatous mastitis – case report Ionut Poinareanu, Romania D. Sporis, M. Cristian, A. Serb, T. Domsa 027 Decreases discrepancies between frozen and final diagnosis in the evaluation of breast sentinel lymph node Ghada Sahraoui, Tunisia Y. Houcine, K. Hamza, S. Kammoun, S. Ayadi, R. Chargui, M. Driss, R. Doghri 028 Synchronous bilateral primary breast angiosarcoma after reduction mammo- plasty: an extremely rare case and literature review Cansu Sönmez, Turkey B. Gözükara, Y. Akgök, E. Ekren, F. Aker 029 Primary osteosarcoma of the breast – diagnosis of exclusion with metaplastic carcinoma and malignant phyllodes tumour Anna Szumera-Cieckiewicz, Poland J. Owczarek, O. Kuczkiewicz-Siemion, K. Kurek, A. Borkowska, M. Spałek, Z. Nowecki, P. Rutkowski 030 Heterogeneity of breast cancer surrogate subtype of primary tumour and local metastases Konstantin Konyshev, Russia S. Sazonov 031 Two cases for a rare association; mixed tumour of the breast which contains acinic cell carcinoma and metaplastic carcinoma components Kadriye Ebru Akar, Turkey İ. Hotmanoğlu Şahin, H. Toper, H. Kaya