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15 September 2022 | Story André Damons | Photo André Damons
Dr Osayande Evbuomwan, Prof Willy Vangu and Dr Gerrit Engelbrecht
Dr Osayande Evbuomwan, nuclear medicine specialist and Senior Lecturer, left, and Dr Gerrit Engelbrecht, Clinical Head of the Department of Nuclear Medicine at the UFS, right, with Prof Willy Vangu, Chief Specialist and Head of Nuclear Medicine at the University of the Witwatersrand, after his lecture.
There is no doubt that an institution like the University of the Free State (UFS), with its calibre and pedigree, needs a PET/CT machine (medical-imaging device that simultaneously and clearly reveals both anatomical details and metabolic processes within the body), particular in oncology, in improving the management of patients. 

This is according to Prof Willy Vangu, Chief Specialist and Head of Nuclear Medicine at the University of the Witwatersrand, who was a guest lecturer on 8 September 2022 at the Department of Nuclear Medicine at the UFS.

Positron emission tomography (PET) is a type of nuclear medicine imaging modality that measures the metabolic activity of the cells of body tissues. PET imaging is useful in the evaluation of patients with neurological, cardiac, infection, inflammation, and most importantly oncological conditions. Through its ability to detect metabolic changes very early, it can detect disease conditions that might not be easily detected on other forms of anatomical imaging.

Role of PET/CT in different clinical scenarios

In his lecture, Prof Vangu talked about the role of PET/CT in different clinical scenarios. By giving practical examples, he explained the role of PET/CT in different aspects of clinical medicine, including brain imaging for dementia, movement disorder and cerebrovascular reserve. 

“Looking at dementia, we will focus on one of diseases that is today becoming a major source of health concern, Alzheimer's disease. The latest Alzheimer's report that was published in 2018 stated that there are 50 million individuals currently suffering from Alzheimer's. They forecast that in 30 years we are going to have more than 150 million people suffering from this disease. PET/CT imaging can identify very early the typical patterns associated with all the different types of dementias, including Alzheimer's disease…”

For cardiac application, Prof Vangu said there are so many indications for PET/CT in cardiac imaging. One of the most important is the assessment of myocardial viability, in patients who have suffered from cardiomyopathy due to ischemic heart disease. PET/CT offers a noninvasive method of identifying viable myocardium that would benefit from revascularisation, with a very high diagnostic accuracy. 

Prof Vangu, who is also the head of nuclear medicine at the Charlotte Maxeke Johannesburg Academic and Chris Hani Baragwanath hospitals as well as head of the department for radiation sciences at the University of the Witwatersrand, said PET has been around for many years and is not something new. However, in clinical practice, PET imaging became significant with a breakthrough that occurred with the production of the glucose analogue tracer, 18F-fluorodeoxyglucose (FDG). This tracer in PET/CT imaging has revolutionised the management of cancer patients for the oncologist. It offers the ability of more accurate cancer staging, assessment of treatment response, assessment of disease recurrence and in some situations, surveillance. It has the ability to predict early which cancer patients will benefit from a particular drug, thereby giving the oncologist an idea on either to de-escalate treatment or change to a second line regimen very early on in the management. 

PET-CT scan imaging machine

An internet example of an image taken by a PET/CT machine. Photo for illustration: A PET/CT Imaging machine.


PET/CT came onto the market only in the year 2001, when it was launched for the first time by David Townsend (a physicist) and Ronald Nutt (electrical engineer). As at today, almost every institution in the country has at least one PET/CT machine.


“Looking at clinical applications, which is really the crux of the lecture today, there are so many clinical applications to talk about. You need a full week of a PET/CT symposium to go through all of them (and) maybe that might not even be enough. We can at least from this talk have an idea on how PET/CT can be applied in clinical medicine,” said Prof Vangu.

No other road for the university but to get a PET/CT machine

He also showed the impact and results that PET/CT imaging had in the management of infection and inflammation including TB. He said the role of PET/CT in TB is for monitoring of treatment, identification of extrapulmonary TB and prognosis. 

In concluding his lecture, he said there is no other road for the university but to get a PET/CT machine. “There is no argument about it. The institution needs it to improve the management of patients, especially the oncology and cardiology patients. Confidently making the decision on which patients to treat, how to treat them, identifying and evaluating their true response to therapy requires a PET/CT machine.

“I am happy to hear that the policy- and decisions-makers in the province and the university are looking forward to having a PET/CT machine,” he said later. 

Dr Osayande Evbuomwan, nuclear medicine specialist and Senior Lecturer, and Dr Gerrit Engelbrecht, Clinical Head of the Department of Nuclear Medicine at the UFS, are both looking forward of having a PET/CT in the department because in addition to its use in clinical setting, it has a huge role to play in research and training postgraduate students, as PET/CT imaging makes up a huge chunk of the postgraduate training curriculum

News Archive

UFS awards degrees at autumn graduation ceremony
2009-04-28

The University of the Free State’s (UFS) autumn diploma and graduation ceremony took place this week in the Arena on the South Campus in Bloemfontein (formerly known as the Vista Campus). This arrangement has been made because of the large-scale renovations to the Callie Human Centre on the Main Campus.

Friday, 24 April 2009
Faculties of Health Sciences, Law and Theology Diploma ceremony

Law student’s achievement excels 80%
Four Law students obtained the LLB degree at this year’s autumn graduation ceremony of the University of the Free State (UFS) summa cum laude and were awarded the Moritz Bobbert Medal. They are from the left: Lezelle Olivier (80%), Albert Nell (91%) and Amanda du Toit (83%). LiFeng Chien were absent during the photo.




UFS awards degrees at autumn graduation ceremony
Today 331 students and five doctorates in the Faculties of Health Sciences, Law and Theology received their qualifications at this year’s autumn graduation ceremony of the University of the Free State (UFS). Michael Molahloe (left) and Mamokete Ntholeng both received their LL.B. degrees in the Faculty of Law.
Photo: Leonie Bolleurs




This year’s autumn graduation ceremony of the University of the Free State (UFS) was held on the South Campus. From the group of students that received their qualification from the Faculty of Law, is from the left: Janine Jonson, Anneska van der Spoel, Andrea Coetzer, and Jo-Mari Visser.
Photo: Leonie Bolleurs



Students in Nursing receive their degree
A group of students from the Faculty of Health Sciences received their B.Soc.Sc. degree at this year’s autumn graduation ceremony of the University of the Free State (UFS). At the occasion were, from the left: Ruth Beukes, Basetsana Panana, and Dipontsheng Tsolo.
Photo: Leonie Bolleurs



UFS Faculty of Health Sciences awards degrees
Liezl Swanepoel (left) and Heide van der Merwe received their BSocSC degrees at the University of the Free State’s (UFS) autumn graduation ceremony.
Photo: Leonie Bolleurs

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Thursday, 23 April 2009
Faculty of Natural and Agricultural Sciences & Chancellor’s Dinner



UFS awards unique doctorate
Dr Rodney Douglas, who had never obtained any formal undergraduate qualification, this week received a Ph.D. in Geography and Geology during the autumn graduation ceremony of the University of the Free State (UFS). The name of his thesis is “A new perspective on the geohydrological and surface processes controlling the depositional environment at the Florisbad archaeozoological site”. He had four papers published in journals that were related to his thesis. He obtained his South African Museums Association Diploma in Biology in 1988 and his M.Sc. in Environmental Biology at the University of Natal, Durban in 1992. He was accepted as a Master's degree student at that university based on research that he had conducted on, amongst others, the diets of reptiles. He has been working at the Department of Herpetology at the National Museum, Bloemfontein since 1984, where he holds the post of Principal Museum Scientist and Head of Department.
Photo: Leonie Bolleurs



Chancellor’s Dinner: UFS honours doctoral students
Last night, the University of the Free State (UFS) honoured students who had received their Ph.D. degrees at the autumn graduation ceremony this past week, at the Chancellor’s Dinner. A total of 25 doctorates were awarded during the respective ceremonies. Attending the occasion were, from the left: Dr Annemarie Kühn, Ph.D. in Chemistry, Prof. Jeanet Conradie, Department of Chemistry at the UFS and Dr Kühn’s promoter, Prof. Teuns Verschoor, Acting Rector of the UFS, Prof. Corene de Wet, Department of Comparative Education and Education Management at the UFS, and Dr Mafu Rakometsi, Chief Executive Officer of Umalusi and former head of the Free State Department of Education who received a Ph.D. in History. Prof. De Wet is Dr Rakometsi's co-promoter and the late Prof. Leo Barnard, former Head of the Department of History at the UFS, who passed away at the beginning of April 2009, was his promoter.
Photo: Leonie Bolleurs



Mrs Annemarie Kilian, Mr Willem Kilian (BSc. Hons) and Prof Stephanus Kilian
Photo: Mangaliso Radebe



Mr Jaco van der Merwe, Mr Renico Pretorius and Mr Rion Terblanche (all BSc. Quantity Survying)
Photo: Mangaliso Radebe



Ms Mamakoanyane Amelia Shata (BSc. Genetics and BSc. Hons. Plant Molecular Biology) and Mrs Maente Adelinah Shata.
Photo: Mangaliso Radebe



Mr Maurice Ambrose and Mr Owen Monk (both BSc. Quantity Survying).
Photo: Mangaliso Radebe



Ms Tobeka Mehlomekhulu (Lecturer: Department of Geography), Mr Neo Mokgosi (BSc. Hons. Genetics) and Ms Nwabisa Mehlomekhulu (BSc. Hons. Food Science).
Photo: Mangaliso Radebe



Mr John Mdane, Mr Fana Mdane (BSc. Information Technology) and Mrs Agnes Mdane
Photo: Mangaliso Radebe



Mr Kevin Vermaak (BSc. Hons. Geohydrology) and Ms Michelle Steenkamp (BSc. Hons. Geology).
Photo: Mangaliso Radebe

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21 April 2009
Faculty of Economic and Management Sciences



Prof. Magda Fourie's daughter graduates
Nadia Fourie, daughter of Prof. Magda Fourie, former Vice-Rector: Academic Planning at the UFS and now Vice-Rector: Teaching at Stellenbosch University, received the B.Com. Law degree.
Photo: Lacea Loader



724 degrees were awarded during the ceremony of the Faculty of Economic and Management Sciences. Here are, from the left: Simon Serutla, B.Com. Accounting, Lourencia Hamuaka, B.Com. Honours in Financial Economics and Investment Management, Sunet Opperman, B. Accounting, and Yolandi Greyling, B. Accounting.
Photo: Lacea Loader



Students in the Faculty of Economic and Management Sciences graduated this week during the University of the Free State's (UFS) autumn graduation ceremony. Altogether 724 degrees were conferred. Here are, from the left: Marie-Louise Lombard, B.Com. Law, Adriaan van der Merwe, B.Com. Law and member of the Student Representative Council (Legal and Constitutional Affairs), Basanio Ncike, B.Com. Economics, and Richard Schooling, B.Com. Banking.
Photo: Lacea Loader



Center for Accounting honours top achievers
The Centre for Accounting at the University of the Free State (UFS) honoured the top ten students in the third-year B.Com. and B.Com. Hons. programmes respectively during this week's autumn graduation ceremony. Here are, from the left: Prof. Ronell Britz, Chairperson of the centre, Nils Kotze, first place in the B.Com. third-year group, and Madri Victor, first place in the B.Com. Hons. group; back: Prof. Hentie van Wyk, Programme Director: Accountant Training.
Photo: Stephen Collett



Accounting firms in Free State help with recognition of top achievers
Accounting firms in the Free State have contributed to a fund at the University of the Free State’s (UFS) Centre for Accounting to give recognition to top achievers in the third-year programme for the B.Com. and B.Com Hons. degrees respectively this week. It is evidence of the good relationship that exists between the Centre and the South African Institute for Chartered Accountants (SAICA), Free State. Here, from the left, are: Mr Pieter Clase, CoetzeeSmit Chartered Accountants, Mr Oswald Wentworth, KPMG, Mr Ettienne van Niekerk, PricewaterhouseCoopers, Herman Leach, Gobodo Inc. Chartered Accountants, and Mr Stefan Strydom, Havenga, Rossouw & Viljoen; front: Mr Ian Smit, Enslins Bloemfontein, Ms Thelma Crossman, Mazars, and Ms Daphline O'Brien, Ernst & Young.
Photo: Stephen Collett

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20 April 2009
Faculty of Education, Faculty of the Humanities.



CHESD awards 15 masters degrees
A group of 15 students received the Structured M.A. (Higher Education Studies) of the Centre for Higher Education Studies and Development (CHESD) at this year’s autumn graduation ceremony of the University of the Free State (UFS). This is the biggest group in the centre's history to be awarded master’s degrees, while four of the students received distinctions. Also of interest is that six of the 15 students already have doctoral degrees. At the occasion were, from the left: Dr Dipane Hlalele, Qwaqwa Campus, Ms Liesl Hoare, Central Univeristy of Technology, Welkom Campus (best achiever), and Dr Fanus van Tonder, Programme Director: Higher Education Studies and Research, CHESD. Ms Hoare received the Deans medal in the Faculty of the Humanities as the best master’s graduate student at the graduation ceremony. At the faculty’s prize function she also received the Kovsie-Alumni Trust award as the best M.A student in the faculty. She also received the CHESD Prize for the best achievement in the Structured M.A. (Higher Education Studies).
Photo: Leonie Bolleurs



UFS awards degrees at autumn graduation ceremony
Five hundred and eighty six degrees and nine doctorates were awarded this week during this year's autumn graduation ceremony on the South Campus of the University of the Free State (UFS) to students in the Faculty of the Humanities. At the occasion were, from the left: Nicola Bekker, Madré van der Merwe and Esté Scholtz. All three the ladies received the qualification B.A. Language Practice.
Photo: Lacea Loader



This year’s autumn graduation ceremony of the University of the Free State (UFS) is held on the South Campus in Bloemfontein. Today a group of students from the Programme: Governance and Political Transformation in the Faculty of the Humanities received their qualification. From the left, front are: Dr Tania Coetzee, Head of the Programme: Governance and Political Transformation, and Mr Itumeleng Liba, Chief Operation Officer at CENTLEC; back: Mr Kennett Sinclair, Vice-Chairperson of COPE in the Northern Cape, Ms Nicole Joannou, Goldfields Business and Catering, and Mr Tembeni Lobe from Bloemfontein.
Photo: Lacea Loader



Some of the students who received their qualifications during this week's graduation ceremony of the Faculty of the Humanities were, from the left: Shu-Jung Chan, B.Mus. Hons., Brian Gxavu, B.Mus., and Mpolokeng Lepote, B.A. Media Studies.
Photo: Lacea Loader



UFS’s CHESD awards doctoral degree
Ms Mardi Delport (middle), Assistant Director: Media and Communications at the Central University of Technology received her Doctoral degree at this year’s autumn graduation ceremony of the University of the Free State (UFS). The title of her thesis is: “An internal communication model for the Central University of Technology, Free State as a multi-campus institution”. With her are her promoter Prof. Driekie Hay (left), Vice-Rector: Academic Planning, and her co-promoter, Prof. Annette Wilkinson (right) from the Centre for Higher Education Studies and Development (CHESD) at the UFS.
Photo: Leonie Bolleurs 

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