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12
P. M. Parizel

1970—The IXth SNR—Göteborg/SE—Ingmar Wickbom

Under the Presidency of Prof. Ingmar Wickbom, the IXth SNR returned to Sweden, in the city of Gothenborg (Göteborg), from 24 to 29 August 1970. The announce­ment published in Radiology (June 1969) indicated that the SNR would deal mainly with the following subjects: hydrocephalus, brain atrophy, and cerebral spinal uid circulation; the central nervous system in the perinatal period (normal and develop­mental disturbances); advances in ultrasound and diagnostic isotope methods; cere­bral angiography, physiologic and anatomic aspects; radiobiology of the nervous system; use of the proton beam in therapy of the brain; and radiological examina­tions of the spinal canal. Round table discussions would be arranged on the factors inuencing the development of hydrocephalus and how to determine “brain death.” Papers dealing with other subjects would also be accepted. There were to be scien­tic as well as technical exhibits in connection with the meeting.
Prof. Ingmar Wickbom served as the head of one of the two departments of general radiology at Shalgrens Hospital (Shalgrenska Sjukhuset), Gothenburg, Sweden. He had been a student of Prof. Erik Lindgren in Stockholm, and he was well prepared to meet the needs of the newly opened department of neurology and neurosurgery. Wickbom was a pioneer in the technique of electronic subtraction, most useful with angiography and now almost indispensable in interventional neuroradiology, which he developed in a collaboration with Henry Wallmann, an American-born professor of medical electronics at Chalmer’s Technical Institute in Gothenburg. Wallman and Wickbom were the rst to combine television tech­nology with the image intensier to allow roentgen screening in daylight. Wickbom became professor of general radiology in 1968. He resigned in 1973 and moved to the USA.

1974—The Xth SNR—Punta del Este/UY—Néstor Azambuja

For the Xth edition, in 1974, the SNR moved to Uruguay. It was the rst SNR meet­ing in the Southern Hemisphere and only the second on the American continent. The Xth SNR in Punta del Este was organised and presided over by Dr. Néstor Azambuja. It was attended by 400 neuroradiologists from all around the world. The Presidency of the Xth SNR had been awarded to Dr. Néstor Azambuja, since he had been admitted in 1957 as a foreign resident at the Seraphimer Hospital in Stockholm, under the direction of Prof. Erik Lindgren. The choice of Punta del Este was an interesting albeit an audacious one. The 1970s were a politically turbulent period in Uruguay, characterised by social unrest and by the rise of leftist guerrilla move­ments and subsequent government crackdowns. However, Punta del Este, where the Xth SNR was held, was a haven of peace and prosperity: it was (and still is) an afuent resort on Uruguay’s Atlantic coast with pristine beaches and a vibrant cul­tural life.
1 A Brief History oftheSymposium Neuroradiologicum
13
Dr. Néstor Azambuja had a background in neurosurgery and radiology. He was an alumnus of the Swedish School of Neuroradiology. Upon his return to Uruguay, he worked as a neuroradiologist at the Neurology Institute in Montevideo and the Hospital Británico (British Hospital), where the rst Lysholm table in Montevideo was installed. He was afliated with the University of Montevideo where he eventually held the Chair of Radiology. In Montevideo, Néstor Azambuja created one of the most important schools of neuroradiology in Latin America. He described “central ventriculography,” as an important tool for the diagnosis of posterior fossa tumours in the pre-CT era. He advocated the use of small quantities of air, without removing CSF, a technique that became known as “fractional pneumoencephalography.”

1978—The XIth SNR—Wiesbaden/DE—Sigurd Wende

The XIth SNR was organised in Wiesbaden by Prof. Sigurd Wende, from 4 to 10 June 1978. The Proceedings were published by Springer Verlag in 1978, as a 646­page document (ISBN-10: 3540087826; ISBN-13: 978-3540087823). Wiesbaden is a picturesque city nestled in the heart of Germany’s Rhine-Main region, known for its stylish architecture, lush parks, and historic thermal baths. It has a reputation as an elegant spa town, attracting visitors seeking relaxation and rejuvenation. For international congress delegates, Wiesbaden was very easy to reach, thanks to its proximity to the international Frankfurt am Main Airport.
The president of the XIth SNR, Prof. Sigurd Wende graduated in medicine in 1952 from the Free University of Berlin. He became Medical Assistant at the Neurological and Psychiatric Hospital of the Free University of Berlin and was certied as a spe­cialist in neurology and psychiatry in 1958. In 1959, he worked under the guidance of Professor Lindgren at the Seraphimer Hospital of Stockholm. In 1962, he was admit­ted as a University Lecturer in Berlin and travelled as the recipient of a Henry Ford Foundation stipend to spend a year in the United States of America, where he worked with Prof. Juan Taveras in Neuroradiology at the Neurological Institute of the Columbia Presbyterian University, NewYork; with Dr. Robins at the Department of Radiology of the Massachusetts General Hospital, Boston, and with Dr. Morgan at the Department of Radiology of Johns Hopkins Hospital, Baltimore. Between 1952 and 1989, Sigurd Wende published 192 papers on neuroradiological, general radiological, and neurological subjects and was the co-author of 12 books. His research on brain tumours was exemplary, and he worked generally as a member of a multidisciplinary team (neurologist, neurosurgeon, and neuropathologist).
When Prof. Sigurd Wende was elected to the Presidency of the XIth SNR, the decision was made in recognition of his original research and organisational abili­ties. The SNR in Wiesbaden in 1978 was an outstandingly good meeting, memora-
ble for the rigour of the method of blind selection of oral presentations, the beautiful opera house, the boat trip on the Rhine and a nightingale that sang daily in the sunshine beside one of the busy roads.
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P. M. Parizel

1982—The XIIth SNR—Washington DC/US—Giovanni Di Chiro

The XIIth SNR took place in Washington, D.C., the capital of the United States of America. Italian-born Professor Giovanni Di Chiro (1926–1997) served as presi­dent, and Hillier L.Baker, Jr. as vice president of the XIIth SNR in Washington, D.C.It was the second of the symposia to be held in North America. The meeting occurred during the Reagan presidency, with the continuing arms race with the Soviet Union in the background, in the waning years of the Cold War. Geopolitically, the year 1982 was characterised by the short but erce Falklands War, which had erupted between Argentina and the United Kingdom.
Prof. Giovanni Di Chiro had graduated as a medical doctor from the University of Naples but spent most of his professional life living and working abroad, rst in Sweden, afterwards in the United States of America. Between 1949 and 1953, he had trained as a neuroradiologist in Stockholm in various hospitals such as the Seramerlassarettet and Sodersjukhuset, which were afliated with the Karolinska University. In 1953, he moved to the United States, working at Boston City Hospital on a 6-month Fullbright Fellowship. He returned to Italy, where he established the radiology departments of the Neurological Institute of the University of Naples and the St. Mary’s Hospital in Aversa. In October 1957, he returned to the United States of America, to Washington, D.C.He was offered a staff position at the National Institute of Neurological Disorders and Stroke (NINDS), which is a part of the US National Institutes of Health (NIH). Very quickly after his appointment, he estab­lished what became known as the NINDS Neuroimaging Branch in 1958. In 1977, he founded the Journal of Computer Assisted Tomography (“JCAT”), one of the major scientic publications in cross-sectional imaging.
In 1982, the president, Giovanni Di Chiro, and the vice president, Hillier L.Baker, Jr., of the XIIth Symposium Neuroradiologicum established an impor­tant innovation, the Fellowship Awards, which would rst be presented at the XIIIth Symposium in Stockholm, for the best original work by a radiologist
relating to the application of radiology and radiologic science to the study of the nervous system. The XIIth SNR marked the rst time that the neuroradio-
logical community had been exposed to magnetic resonance images (MRI) of the brain; this technique would come to dominate diagnostic neuroradiology in future years. A selection of the abstracts that were presented during the XIIth Symposium Neuroradiologicum, October 10–16, 1982, in Washington, D.C., was published in Radiology in September 1982 (Abstracts for presentation at
XII symposium neuroradiologicum, October 10–16, 1982, Washington, D.C.Radiology 1982 144:4, 943–962).
Prof. Giovanni Di Chiro was one of the true giants of neuroradiology. He was a talented and inquisitive researcher, best known for his groundbreaking contributions to diagnostic neuroradiology, computed tomography, and magnetic resonance imaging.
1 A Brief History oftheSymposium Neuroradiologicum
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1986—The XIIIth SNR—Stockholm/SE—Torgny Greitz

Under the presidency of Prof. Torgny Greitz, the XIIIth SNR returned to Sweden for the third time, and to Stockholm for the second time, after 1952. Prof. Torgny Greitz, a graduate of the Stockholm School of Neuroradiology at the Seraphimer Hospital, quickly became a well-known neuroradiologist. In 1956, he spent a year at Washington University in St. Louis to practise and teach neuroradiology at the famous Mallinckrodt Institute of Radiology. He returned to Sweden and would later become the chief of the Department of Neuroradiology at the Karolinska Hospital. He was a leader in the development of clinical applications of computed tomogra­phy (CT) and positron-emission tomography (PET).
The XIIIth SNR was held in Stockholm, Sweden, from 23 to 28 June 1986. For me personally, it was the rst SNR meeting I attended; I remember that the weather was beautiful, with long days and short nights. The meeting featured fascinating presentations, lectures, and workshops, covering a wide range of top­ics related to neuroradiology. Attendees had the opportunity to exchange ideas, share research ndings, and collaborate on innovative approaches to diagnosing and treating neurological disorders. A new feature was the Fellowship Awards, which had been established in 1982 in Washington, D.C., by the president, Giovanni Di Chiro, and the vice president, Hillier L.Baker, Jr., of the XIIth SNR.The rst awards were presented at the XIIIth Symposium in Stockholm, for
the best original work by a radiologist relating to application of radiology and radiologic science to the study of the nervous system. The recipients of these rst
Fellowship Awards were:
• Isabelle Berry, University of Toulouse, France, and University of California, San
Francisco
• Robert R.Edelman, Massachusetts General Hospital, Boston, Massachusetts
• Gerald O’Reilly, Beth Israel Hospital, Boston, Massachusetts
The award winners received a round-trip airfare to Stockholm, 3days per diem, a cash prize, and a diploma. In addition, the contributions presented by Dr. T. Yamaguchi etal., and Drs J.B. Rubin and D.R.Enzman were selected for an honourable mention, receiving a cash award and a diploma. Yamaguchi.
The Proceedings of the XIIIth Symposium Neuroradiologicum were published as a voluminous 774-page supplement to Acta Radiologica (XIII Symposium
Neuroradiologicum. Stockholm, June 23–28, 1986. Acta Radiol Suppl. 1986; 369:1–774. PMID: 2908789). This was in contradistinction to the previous, XIIth
SNR, for which only a small selection (20 pages) of abstracts had been published in Radiology (Abstracts for presentation at XII symposium neuroradiologicum, October 10–16, 1982, Washington, D.C. Radiology 1982 144:4, 943–962). The XIIIth SNR played an important role in shaping the future direction of research and clinical practice in neuroradiology, leaving a lasting impact on everyone who attended the meeting.
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P. M. Parizel

1990—The XIVth SNR—London—Edward Philip George Houssemayne du Boulay

Professor George Houssemayne du Boulay was honoured by the prestigious invita­tion to be the president of the XIVth SNR, which took place in London from 17 to 23 June 1990. It was a testimony to the enormous personal respect in which he was held by the world’s leading academic neuroscientists. It was the second time that the SNR visited London. The Proceedings of the XIVth SNR were published in a hard­cover volume, edited by Profs. George du Boulay, Andrew Molyneux, and Ivan Moseley.
Prof. George du Boulay was one of Britain’s leading neuroradiologists, and— interestingly—he was also a world-famous veterinary radiologist. During the Second World War years, he had been a medical student at King’s College, London, and Charing Cross Hospital Medical School, qualifying in 1945. George du Boulay had a privileged professional relationship with Prof. James Bull, who was his senior, and who had served as the convenor for the IVth SNR in London in 1955. Despite their difference in age, they were close friends. When Prof. James Bull retired in 1975 from Queen Square, Prof. George du Boulay succeeded him as director. A year later was awarded the rst academic chair in neuroradiology in Britain, at the Institute of Neurology. He served as the director of the famous Lysholm radiologi­cal department at the National Hospital for Neurology and Neurosurgery, Queen Square, London until his retirement in 1985. His department was a veritable incuba­tor for talent and ideas; it catalysed the careers of an entire generation of neuroradi­ologists from all parts of the world.
Prof. George du Boulay also served as the editor-in-chief for Neuroradiology. When the four-yearly SNR was to be held in London in 1990, he was the obvious choice as president, even though this event arrived at a relatively late stage of his illustrious career.

1994—The XVth SNR—Kumamoto/JP— Mutsumasa Takahashi

Japanese neuroradiology received the great international honour of hosting the XVth SNR in Kumamoto from 25 September to 1 October 1994 under the Presidency of Prof. Mutsumasa Takahashi. It was the rst such event to be held in Asia. More than 1200 delegates convened to discuss the most recent developments, including interventional neuroradiology, functional imaging, MRI contrast media, new tech­niques in MRI, iodinated contrast media, and other topics. The proceedings were published in a hardcover volume, edited by Profs. Mutsumasa Takahashi, Yukunori Korogi, and Ivan Moseley.
The XVth SNR was held in Kumamoto, a city on the southern Japanese island of Kyushu, rich in culture and history. Kyushu is known for its natural beauty, and
1 A Brief History oftheSymposium Neuroradiologicum
offers spectacular vistas of mount Aso, one of the largest active volcanoes in the world. Though Kumamoto is a growing and modern city, it still retains its traditional charm and historical signicance.
The president of the XVth SNR was Prof. Mutsumasa Takahashi. In 1960, he had graduated as a medical doctor from Kyushu University at Fukuoka. He became one of the founding board members of the Japanese Society of Neuroradiology, which had been formed in 1972, at Noguchi Hideyo Memorial Hall in Tokyo. In 1980, he was appointed as professor and chairman of radiology at Kumamoto University School of Medicine. He held this position until 2001 when he became professor emeritus.
Professor Takahashi was a prolic author and served as an editor-in-chief of Neuroradiology.
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1998—The XVIth SNR—Philadelphia/PA, USA—Sadek Kamel Hilal

In 1998, the XVIth SNR convened in Philadelphia. Prof. Sadek K.Hilal served as president, while his colleague and good friend Prof. Stephen A.Kieffer acted as vice president.
The XVIth SNR was a special event for three reasons. To start with, it was the rst SNR to be presented under the auspices of the recently established World Federation of Neuroradiological Societies (WFNRS), which had been founded in 1994 at the XVth SNR in Kumamoto, Japan thanks to the driving force of Prof. Derek Harwood Nash. Secondly, it was conceived and organised as a conjoint, back-to-back meeting between the XVIth SNR (Thursday 15th May to Sunday 17th May 1998) and the 36th Annual Meeting of the American Society of Neuroradiology (from Sunday 17th May to Thursday 21st May 1998), both held at the Pennsylvania Convention Center in Philadelphia, USA.Thirdly, it would be the third such event to be held in North America (after NewYork in 1964 and Washington D.C. in 1982), and the neuroradiological community saw it as a recognition of the great advances that had been made on their continent. The host city, Philadelphia, is one of the old­est cities in North America and has always enjoyed a special place in American history and culture. The Declaration of Independence was conceived, written, and signed in this city on fourth July 1776. The proceedings were published as a supple­ment to The Neuroradiology Journal (Volume 11 Issue 1_suppl, May 1998).
The President, Prof. Sadek K. Hilal was born in Cairo, Egypt, in 1930 and received his medical degree from the University of Cairo in 1955. He was an inno­vative thinker and developed many original research ideas. He was passionate about quantication of cerebral blood ow using diverse imaging techniques. In the early 1960s, he developed a technique for catheter cerebral angiography which led to his becoming one of the early pioneers in interventional neuroradiology. During his most academically productive years, he served as the Director of Neuroradiology at the Neurological Institute of Columbia Presbyterian Medical Center in NewYork.
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P. M. Parizel

2002—The XVIIth SNR—Paris/FR—Luc Picard

The XVIIth SNR was held in Paris, from 18–24 August 2002 under the presidency of Prof. Luc Picard. The meeting took place in the Palais des Congrès de Paris at the Porte Maillot, as a conjoint meeting with the European Society of Neuroradiology (ESNR). Several of the SNR’s past-presidents were united in Paris: Giovanni Ruggiero, Nestor Azambuja, Torgny Greitz, George du Boulay, Mutsumasa Takahashi. The Proceedings of the XVIIth SNR were published as a two-volume supplement of Rivista di Neuroradiologia, allowing indexing in the scientic litera­ture. At the occasion of the XVIIth SNR, a book entitled “L’histoire de la Neuroradiologie mondiale” (“The History of World Neuroradiology”) was pub­lished and distributed among the participants.
The president, Prof. Luc Picard was a neurologist by training, a clinician at heart, and a pioneer of interventional neuroradiology. He had spent his entire professional career in Nancy, France, where he had created a strong school of neuroradiology, together with a closely knit team of loyal collaborators. Throughout his career, Prof. Picard laboured tirelessly to further the development of French neuroradiology and increase its scientic, medical, and political inuence. He was one of the founders of the French Society of Neuroradiology in 1970. He was the editor-in-chief of the Journal of Neuroradiology for 24years from 1977 to 2001. In 1990, he created the WFITN (World Federation of Interventional Neuroradiology) and served as its president and vice-president from 1991 to 1995. Luc Picard was an exceptional person and a role model for his many students and collaborators.
2006—The XVIIIth SNR—Adelaide/AUS—Michael R.Sage
In 2006, the XVIIIth SNR moved to Adelaide, the capital of South Australia, under the presidency of Prof. Michael R.Sage. The meeting was held from 19 to 24 March 2006 under the auspices of, and with nancial support from, “The Australian and New Zealand Society of Neuroradiology” (ANZSNR). The ANZSNR logo was incorporated into the SNR logo.
The modern and versatile Adelaide Convention Centre was a perfect venue for the XVIIIth SNR and the meeting was attended by 743 delegates and 81 partners from around the world. An excellent scientic programme was created by a large national and international faculty of experts and consisted of several symposia cov­ering cerebrovascular disease, subarachnoid haemorrhage, cerebral arteriovenous malformations, epilepsy, dementia, brain tumours, cerebrospinal uid, spine and spinal cord, skull base, paediatric neuroradiology, paranasal sinuses, and head and neck tumours. However, the choice to organise the meeting in Adelaide had not been without risk. Though Adelaide is renowned for its elegant architecture, lush parklands, and vibrant cultural scene, the city is relatively remote and difcult to reach, with few direct ights from other parts of the world.
1 A Brief History oftheSymposium Neuroradiologicum
19
The convenor, Prof. Michael R.Sage, had served as the rst president of “The Australian and New Zealand Society of Neuroradiology” (ANZSNR), which had been founded in 1993, and which held its rst meeting at the Sydney Convention Centre at Darling Harbour on Thursday 21st October 1993, with 19 members in attendance. The next year, at the XVth SNR in in Kumamoto, ANZSNR was to become one of the founding members of the World Federation of Neuroradiological Societies (WFNRS). In September 1994, Prof. Sage was elected the rst secretary­general of the WFNRS.
Professionally and scientically, Michael Sage had been a well-known neurora­diologist since many years. He was chairman of the Department of Radiology at Flinders Medical Centre and held an academic appointment at the College of Medicine and Public Health at Flinders University. Professor Sage and his col­leagues at Flinders University focused their research to contribute signicantly to the understanding of the blood-brain barrier.

2010—The XIXth SNR—Bologna/ITA—Marco Leonardi

The XIXth SNR took place in Bologna, Italy, from 4 to 9 October 2010, under the presidency of Prof. Marco Leonardi, with Prof. Anton Valavanis acting as vice­president. However, it was not the original plan to organise the meeting in Bologna. When Marco Leonardi pitched his project to the WFNRS, the plan had been to organise the meeting in Venice, and this proposal was approved. Approximately 1year before the scheduled start of the meeting, Prof. Marco Leonardi informed the community that (for ‘important technical reasons’) he had been obliged to move the Symposium site venue from Venice to Bologna, which also implied the dates of the meeting were changed to 4–9 October 2010. Prof. Leonardi stated that while
Bologna is not well known and of course lacks the charm of Venice, it is a very nice and interesting city too and he conrmed that all the participants would like it. The
meeting was held in the Palazzo della Cultura e dei Congressi, Bologna, under the banner of The World Congress of Diagnostic & Therapeutic Neuroradiology.
At the time of the XIXth SNR, Prof. Marco Leonardi held the Chair of Neuroradiology at the University of Bologna and was the director of the Servizio di Neuroradiologia in the Ospedale Bellaria. After he obtained his medical degree in Medicine and Surgery in 1967, he specialised in radiology in Padua. For a short term, he was a fellow of Prof. Giovanni Ruggiero, one of the founders of European Neuroradiology, but he left to be nominated as the Chief of Neuroradiology in at the University of Udine. After 13years, he moved to the University of Milan where he was appointed as full professor of Neuroradiology. Eventually, he would move back to Bologna, to become chief at the Bellaria Hospital.
I remember Prof. Marco Leonardi as an innovator and an astute advocate of neu­roradiology, in Italy and internationally. He held many positions of leadership in scientic organisations, and he was the founder and editor of “The Neuroradiology Journal” and “Interventional Neuroradiology.”
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P. M. Parizel
2014—The XXth SNR—Istanbul/TR—E.Turgut Tali
The XXth SNR was held in Istanbul, from 7 to 12 September 2014 at the Lut Kirdar International Convention and Exhibition Center under the presidency of Professor Turgut Tali. While the WFNRS is the organisation that provides support and energy behind the Symposium, all the practical arrangements were very much the work of the Symposium President, Professor Turgut Tali who organised a remarkable meeting in Istanbul, the city where East meets West, and tradition embraces innovation. The XXth SNR was conceived as a celebration of the power of neuroradiology to bridge borders and transform lives, advancing scientic knowl­edge and improving patient outcomes worldwide.
The proceedings of the XXth SNR were published as a 476-page Supplement to Neuroradiology (XXth Symposium Neuroradiologicum. Neuroradiology 56 (Suppl
1), 1–476 (2014). from lectures and poster presentations covering stroke, head and neck, paediatric diagnostic neuroradiology, spine and interventional neuroradiology, adult diagnos­tic neuroradiology, intravascular interventional neuroradiology.
The XXth SNR President, Prof. Turgut Tali received a medical degree from The Hacettepe University. He has had a most distinguished career as prominent Turkish neuroradiologist, holding many national and international positions of leadership in Neuroradiology. In 2014, at the time of the XXth SNR, he was Director of the Division of Neuroradiology at The Gazi University School of Medicine. He currently serves as Professor and Chairman of the Department of Radiology at Lokman Hekim University in Ankara, Türkiye. Prof. Tali is a lead­ing gure in his eld, having held many distinguished functions as president of the European Society of Neuroradiology (ESNR), president of the Turkish Society of Neuroradiology (TSNR), president of the World Federation of Neuroradiological Societies (WFNRS), and Chief Examiner for the European Board of Neuroradiology. Dr. Tali’s expertise and research interests include advanced imaging of the brain and spine. In 2025, he served as congress presi­dent of the rst-ever Joint Congress of the Asian-Oceanian, European, and Turkish Societies of Neuroradiology, combining forces with European Society of Neuroradiology (ESNR), the Asian-Oceanian Society of Neuroradiology and Head and Neck Radiology (AOSNHNR) and the Turkish Society of Neuroradiology (TSNR).
https://doi.org/10.1007/s00234- 014- 1405- 4), including abstracts

2018—The XXIst SNR—Taipei/TWN—Wan-Yuo Guo

The XXIst SNR (The World Congress of Neuroradiology 2018) took place under the presidency of Prof. Wan-Yuo Guo and was held from 19 to 23 March at the Taipei International Congress and Exhibition Centre (TICC), Taipei, Taiwan. The meeting was hosted by the Neuroradiological Society of Taiwan (NRST). The
1 A Brief History oftheSymposium Neuroradiologicum
meeting was held in combination with the 12th Asian-Oceanian Congress of Neuroradiology and Head & Neck Neuroradiology (AOCNHNR) .
Prof. Wan-Yuo Guo had been elected as the president of the XXIst SNR in 2010 during the XIXth SNR in Bologna, Italy. After 8years of preparation, the XXIst SNR successfully united more than 1000 attendees from 50 countries over ve continents and 39 industry sponsors. The 5-day meeting consisted of 74 sessions on 6 themes, including Brain, Head & Neck, Paediatric, Spine, Intervention, Highlights and special sessions such as “Master to Master” and “Junior Meets Junior.” In addition to the com­prehensive scientic programme, the XXIst SNR Organizing Committee unprecedent­edly invited famous Taiwanese artists to join the Congress and exhibit their artworks, as well as hosted tea art performances throughout the Congress at the Congress Venue of TICC.It is the true form of realisation and unication of “The Art of Healing, the Healing of Art.” And as for the attendees, the Organizing Committee hosted a “Photography Exhibition Competition” that allowed the attendees to submit their pho­tography works and displayed them during the congress.
Professor Wan-Yuo Guo received the medical degree (MD) from China Medical College, Taichung, Taiwan. In 1993, he obtained a PhD degree from the Karolinska Institute, Stockholm, Sweden. He trained as a neuroradiologist at the Radiology Department, Taipei Veterans General Hospital, Taipei, Taiwan, between 1983 and
1989. He is currently Chief of the Division of Neuroradiology, Radiology Department, Taipei Veterans General Hospital, and Professor of radiology with National Yang-Ming University, Taipei. His research interests include foetal mag­netic resonance (MR) images, MR perfusion images, gamma knife radiosurgery, MR diffusion tensor imaging, as well as articial intelligence (AI) applications such as Federated Learning.
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2022—The XXIInd SNR—New York City/NY, USA— Mauricio Castillo

The XXIInd SNR was held from 14 to 16 May 2022 at the NewYork City Hilton Hotel under the presidency of Prof. Mauricio Castillo. It was a joint meeting, fol­lowed back-to-back by the 60th anniversary Annual Meeting of the ASNR from 16 to 18 May 2022. Authors were encouraged to choose between four submission categories:
• Scientic oral presentation—to be included during ASNR only
• Electronic scientic poster—to be shown during both meetings
• Electronic educational exhibit—to be shown during both meetings
• Excerpta (oral presentations)—to be included during SNR only
Due to the Covid-19 pandemic, which had entered its third year, both events were offered as hybrid meetings (i.e. live/remote). Delegates had the option to attend in-person or virtually. Participants were given the option to transfer their registration to an alternative form of participation at no additional cost.