Initial pathology in aggressive pituitary tumours and carcinomas: 2b or not 2b?—that is the question. Issue 4 (23rd March 2023) - Trouillas, Jacqueline; Burman, Pia; Losa, Marco; McCormack, Ann; Petersenn, Stephan; Popovic, Vera; Theodoropoulou, Marily; Dekkers, Olaf M; Raverot, Gerald