ECP 2024 Final Programme

E-Posters 128 E-PS-02 034 Enhancing HER2 evaluation: correlation between APIS breast cancer subtyping kit and IHC/ISH for accurate HER2 quantifica- tion Anna Gasior, United Kingdom J. Gorniak, K. Howard, M. Harrison, L. Gough, S. Rollinson, Z. Pounce, A. Wegscheider, A. Niendorf 035 Prognostic value of SOX-2 nuclear expression in triple-negative breast cancer Ismail Guzelis, Turkey B. Bolat Kucukzeybek, M. Gursoy, Y. Yilmaz, Y. Kucukzeybek 038 Clinicopathological features and prognostic significance of HER2-low status in breast carcinoma Nevena Ilieva-Shipchanova, Bulgaria D. Tashkova, E. Bangieva, N. Miteva 039 How a giant phyllodes tumour defied diagnosis – a case study Ioana-Alexandra Petraru, Romania C. Suciu, G. Prilipceanu, A. Dema 040 Invasive breast carcinoma with signet ring cell differentiation and extracellular mucin production: a case report Serap Isiksoy, Turkey I. Bağcı, E. Yılmaz, N. Şeker 041 Metaplastic differentiation at the metastatic site in mammary carcinoma – histopathol- ogical diagnostic pitfalls Tomonori Kawasaki, Japan T. Umesaki, H. Shimada, N. Fujiuchi, Y. Ichiki, R. Taguchi, A. Fujimoto, H. Kodama, S. Ichihara, M. Suzuki, R. Kawamura, S. Takemi, J. Ichikawa, A. Mouri, K. Kaira 042 Clinicopathological study of primary breast lymphoma – a South African experience Moshawa Khaba, South Africa K. Ngobese, T. Guada 043 Alterations in surrogate molecular signatures, androgen receptor and Ki67 index in pre and post neoadjuvant chemotherapy in primary invasive breast carcinoma Adil Aziz Khan, India S. Zaheer 044 Estrogen receptor and progesterone receptor expression changes in breast cancer local metastases compared with primary tumour Konstantin Konyshev, Russia S. Sazonov 045 Case report of a mammary myofibroblasto- ma with epithelioid morphology – a potential diagnostic pitfall Olga Kouroukli, Greece E. Spiteri, P. Vlachou, P. Dolkiras, C. Vourlakou 047 TRPS1 expression in breast angiosarcoma Levente Kuthi, Hungary T. Pancsa, B. Pósfai, A. Schubert, S. Almási, E. Papp, Y. Chien, E. Kálmán, A. Kovács, J. Kulka, L. Varga, G. Cserni 048 Biphasic metaplastic carcinoma with a spindle cell component and mixed invasive carcinoma: an intriguing case Zaineb Lajmi, Tunisia Y. Sarra, F. Yosra, S. Mestiri, M. Mokni 049 High-grade metaplastic carcinoma of the breast with heterologous mesenchymal differentiation – a difficult case Alexandra Lapa, Portugal P. Rodrigues Veiga, R. Rocha, C. Leal, J. Fraga 050 Association between immunohistochemical markers and response after neoadjuvant chemotherapy in advanced breast cancer Ho-Chang Lee, Republic of Korea O. Lee, S. Son, C. Woo