Borsellino, B. (2026) “P031 | From haematological disorders to immune dysregulation: the role of extended immunophenotyping to guide the diagnosis towards inborn errors of immunity: <a href="https://haematologica.org/search/search?query=B.+Borsellino">B. Borsellino</a><sup>1|2</sup>, <a href="https://haematologica.org/search/search?query=G.+Colafranceschi">G. Colafranceschi</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=M.+Irno+Consalvo">M. Irno Consalvo</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=M.+Sgrulletti">M. Sgrulletti</a><sup>4</sup>, <a href="https://haematologica.org/search/search?query=E.+Del+Duca">E. Del Duca</a><sup>4</sup>, <a href="https://haematologica.org/search/search?query=E.+Ricci">E. Ricci</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=N.+Lelli">N. Lelli</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=A.+Catapano">A. Catapano</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=V.+Serafini">V. Serafini</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=S.+Di+Cesare">S. Di Cesare</a><sup>5</sup>, <a href="https://haematologica.org/search/search?query=G.+Di+Matteo">G. Di Matteo</a><sup>6</sup>, <a href="https://haematologica.org/search/search?query=C.+Gurnari">C. Gurnari</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=C.+Cancrini">C. Cancrini</a><sup>5|6</sup>, <a href="https://haematologica.org/search/search?query=F.+Buccisano">F. Buccisano</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=M.T.+Voso">M.T. Voso</a><sup>3</sup>, <a href="https://haematologica.org/search/search?query=V.+Moschese">V. Moschese</a><sup>4</sup>, <a href="https://haematologica.org/search/search?query=E.+Attardi">E. Attardi</a><sup>3</sup> | <i><sup>1</sup>Department of Biomedicine and Prevention, PhD program in immunology, molecular medicine, and applied biotechnologies, University of Rome Tor Vergata; <sup>2</sup>Haemophilia Centre, Immune-Haematology and Transfusion Medicine, University Hospital ‘Città; della Salute e della Scienza’; <sup>3</sup>Department of Biomedicine and Prevention, University of Rome Tor Vergata; <sup>4</sup>Pediatric Immunopathology and Allergology Unit, Policlinico Tor Vergata, University of Rome Tor; Vergata; <sup>5</sup>Unit of Clinical Immunology and Vaccinology, IRCCS Bambino Gesù Children Hospital; <sup>6</sup>Department of Systems Medicine, Tor Vergata University.</i&gt;”, Haematologica. Pavia, Italy, 111(s1). doi: 10.3324/haematol.2026.s1.102.