ALK+ large B cell lymphoma presenting as multiple bowel-obstructing, cytokeratin-positive tumours

Affiliations

• ¹ Department of Pathology, University Hospital Henri Mondor, AP-HP, Créteil, France.
• ² Portuguese Institute of Oncology, Porto, Portugal.
• ³ Department of Neuropathology, GHU Paris, Psychiatry and Neuroscience, Sainte-Anne Hospital, Paris.
• ⁴ UMR S1266, INSERM, IMA-BRAIN, Institut de Psychiatrie et Neurosciences de Paris (IPNP), Paris, France.
• ⁵ Université de Paris, Paris, France.
• ⁶ Medipath laboratory, Paris, France.
• ⁷ Department of Pathology, Henri Becquerel Center, Rouen, France.
• ⁸ IMRB, Inserm U955, Faculty of Medicine, University of Paris-Est Créteil, Créteil, France.