ECP 2023 Final Programme

E-Posters 166 E-PS-22 013 Sclerosing epithelioid fibrosarcoma (SEF) with YAP1/KMT2A rearrangement: case report and systematic review of the literature Leocadia Dore, Italy M. Iuzzolino, L. Samà, L. Ruspi, L. Terracciano, A. Bonometti, F. Cananzi, S. Renne 014 Unusual presentation of Kaposi sarcoma: a case report of a lymph node localisation Omar El Mnif, Tunisia A. Zehani, B. Chelly, A. Ayari, H. Azzouz, I. Chelly, K. Bellil, S. Haouet 017 Solitary fibrous tumour of the spinal canal – a clinically challenging case Jiro Ichikawa, Japan H. Imada, T. Kawasaki, M. Higashi 018 Vertebral ochronosis – a rare, histologically confirmed case Jiro Ichikawa, Japan H. Imada, T. Kawasaki, M. Higashi 019 Clear cell sarcoma of the knee – an unusual presentation masquerading benign bursitis Jiro Ichikawa, Japan T. Kawasaki, H. Imada, S. Kanno, T. Torigoe, Y. Yazawa 020 Spinal metastasis of well-differentiated liposarcoma component in retroperitoneal dedifferentiated liposarcoma treated by minimally invasive surgery Jiro Ichikawa, Japan T. Kawasaki, H. Imada, S. Kanno, T. Ohba, H. Haro 021 Atypical spindle cell/pleomorphic lipoma- tous tumour masquerading as a myxoid tumour Jiro Ichikawa, Japan T. Kawasaki, H. Imada, S. Kanno, N. Taniguchi, T. Ashizawa, H. Haro 022 CD16 (FcRIII) expression might play a pivotal role in neurofibroma progression as a tumour-associated immune cell Kyung-Hee Kim, Korea M. Yeo, K. Suh, D. Kang, J. Choi 023 Intramuscular nodular fasciitis with MYH9-USP6 fusion: a case report Bilge Konuk, Turkey I. Tosun 024 Primary epithelioid rhabdomyosarocma of gastrointestinal tract Olga Kuczkiewicz-Siemion, Poland M. Lenarcik, M. Wągrodzki, B. Gierej, A. Mróz, A. Szumera-Ciećkiewicz 025 Chondrosarcoma of the ribs: a report of 6 cases Wiem Majdoub, Tunisia K. Ben Lazreg, S. Mestiri, D. Benletaifa, A. Bdioui, O. Belkacem, L. Jaidane, M. Krifa, S. Hmissa 026 Activation of PIK3/mTOR pathway in a case of spindle cell adamantinoma with dedifferentiation Shamlal Mangray, USA S. Chen, T. Scharschmidt, A. Shenoy, B. Setty, L. Biederman, M. Conces, V. Prasad, C. Cottrell 027 Case report: uncommon case of epithelioid angiosarcoma post endovascular aortic repair Iris-Mara Mergeanu, Romania A. Birceanu, A. Procop 028 Osteosarcoma arising from an osteochon- droma in a patient with multiple hereditary exostoses Lutfiye Dilsad Micoogullari, Turkey A. Avci, E. Ozmen 029 Discrimination of bone and cartilage by speed-of-sound Katsutoshi Miura, Japan T. Iwashita 030 Aneurysmal bone cyst-like myositis ossificans of the digit – a rare occurrence Saloni Naresh Shah, India