Dedifferentiated liposarcoma with extensive cystic change causing significant diagnostic challenges: report of two cases and review of the literature. - Vetter, Viola Katharina; Limani, Perparim; Ensle, Falko; Brown, Michelle Leanne; Bankel, Lorenz; Bühler, Marco Matteo; Pauli, Chantal (Diagnostic Pathology, 2025)