JOURNAL OF THE ITALIAN SOCIETY OF ANATOMIC PATHOLOGY AND DIAGNOSTIC CYTOPATHOLOGY, ITALIAN DIVISION OF THE INTERNATIONAL ACADEMY OF PATHOLOGY Periodico trimestrale - Aut. Trib. di Genova n. 75 del 22/06/1949 ISSN: 1591-951X (Online) In this issue: Editorial Cribriform-morular variant of thyroid carcinoma Pathologica storica Camillo Golgi per Pathologica nel 1909 01VOL. 111 Guidelines and recommendations Procedures and operating instructions for diagnosis in vascular anomalies MARCH 2019 and pathology Editor-in-Chief C. Doglioni M. Paulli M. Barbareschi San Raffaele Scientific Institute, Milan University of Pavia; IRCCS San Service of Anatomy and M. Fassan Matteo Hospital Foundation, Pavia Pathological Histology, Trento University of Padua G. Pelosi G. Fornaciari University of Milan Associate Editor University of Pisa F. Pierconti M. Chilosi M.P. Foschini Catholic University of Sacred Department of Pathology, Verona Bellaria Hospital, Bologna Heart, Rome University, Verona G. Fraternali Orcioni S. Pileri S. Croce e Carle Hospital, Cuneo Milano European Institute of 01Vol. 111 Managing Editor E. Fulcheri Oncology, Milan March 2019 P. N oz za University of Genoa P. Querzoli Pathology Unit, Ospedali Galliera, M. Guido St Anna University Hospital, Ferrara L. Resta Genova, Italy University of Padua L. Leoncini University of Bari University of Siena G. Rindi Italian Scientific Board M. Lestani Catholic University of Sacred M. Brunelli ULSS 8 Berica Heart, Rome University of Verona C. Luchini E.D. Rossi G. Bulfamante University of Verona Catholic University of Sacred University of Milano G. Magro Heart, Rome G. Cenacchi University of Catania A.G. Rizzo University of Bologna E. Maiorano “Villa Sofia-Cervello” Hospital, C. Clemente University of Bari Aldo Moro Palermo San Donato Hospital, Milano A. Marchetti G. Rossi M. Colecchia University of Chieti-Pescara Hospital S. Maria delle Croci, IRCCS National Cancer Institute, G. Marucci Azienda Romagna, Ravenna Milan Bellaria Hospital, Bologna G. Santeusanio P. Cossu-Rocca G. Martignoni University of Rome “Tor Vergata University of Sassari IRCCS Sacro Cuore Don Calabria A. Sapino G. d’Amati Hospital, Negrar, Verona University of Torino Sapienza University of Rome G. Negri L. Saragoni E. d’Amore Pathology Unit Central Hospital Morgagni-Pierantoni Hospital, Forlì San Bortolo Hospital, Vicenza Bolzano G. Tallini A. D’Errico A. Orlandi University of Bologna S. Orsola-Malpighi Hospital, University of Rome “Tor Vergata”, L. Ventura University of Bologna Rome San Salvatore Hospital, L’Aquila P.A. Di Tos M. Papotti G. Zamboni Ospedale Ca Foscari, Treviso University of Turin University of Verona International Scientific Board Governing Board SIAPEC-IAP R. Alaggio President: Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA M. Truini G. Bhagat Niguarda Cancer Center, Ospedale Niguarda Ca’ Granda, Milan Columbia University, New York, USA President Elect: A. Capitanio A. Sapino Linköping University Hospital, Likping, Sweden University of Torino T.V. Colby Mayo Clinic Scottsdale, AZ, USA General Secretary: G. Cserni E. Bonoldi University of Szeged, Szeged, Hungary Niguarda Cancer Center, Grande Ospedale Metropolitano Niguarda, Milan S. Di Palma Past President: Royal Surrey County Hospital, Guilford, UK G. De Rosa J. Fukuoka A. Cardarelli Hospital, Naples Nagasaki University, Nagasaki, Japan Members: C. Giannini M. Basciu Department of Laboratory Medicine and Pathology Mayo Clinic Rochester, Service of Anatomy and Pathological Histology, Bolzano MN, USA E. Bonoldi J. Kulka Niguarda Cancer Center, Grande Ospedale Metropolitano Niguarda, Milan Semmelweis University, Budapest, Hungary G.Fadda T. Mentzel Fondazione Policlinico Universitario A. Gemelli-IRCCS, Rome Dermatopathology Bodensee, Friedrichshafen, Baden-Württemberg Germany A. Maria Florena M. Mihm University of Palermo Brigham and Women’s Hospital, Harvard Medical School, Boston, Massa- E. Fulcheri chusetts, USA University of Genoa L. Pantanowitz E. Maiorano University of Pittsburgh Medical Center, Pittsburgh, PA, USA University of Bari M. Reyes-Múgica A. Marchetti UPMC Children’s Hospital of Pittsburgh; University of Pittsburgh School of University of Chieti-Pescara, Chieti Medicine, Pittsburgh, PA, USA D. Massi F. Roncaroli University of Florence Imperial College of London, UK G. Mazzoleni A. Skálová Service of Anatomy and Pathological Histology, Bolzano Charles Univesity, Plzen, Czech Republic G. Negri M. Smith Central Hospital Bolzano Mayo Clinic Scottsdale, AZ, USA F. Pietribiasi S. Suster Santa Croce Hospital, Moncalieri Medical College Wisconsin, Milwaukee, WI, USA Y. Zen Associate Members King’s College Hospital & King’s College London, UK Representative: T. Zanin Editorial Secretariat E.O. Ospedali Galliera, Cyto-Hitopathology Department, Genova F. Pedica San Raffaele Scientific Institute, Milan Copyright Società Italiana di Anatomia Patologica e Citopatologia Diagnostica, Divisione Italiana della International Academy of Pathology Publisher Pacini Editore S.r.l. 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