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PROFESSOR MILLICENT DELIVERS UNIVERSITY OF IBADAN 420th INAUGURAL LECTURE

Author: 
Toheeb Olayiwola
Category: 

Professor Millicent has delivered the 420th Inaugural lecture of the session on behalf of the Faculty of Clinical Sciences on the 26th. October, 2017 at Trenchard Hall, University of Ibadan, on the topic: Cross Sectional Imaging: Slicing without knives, giving live to shadows.

The Professor, during the course of the lecture said she had bagged a degree in chemistry and had given birth to 3 children before coming to UI to study medicine. She further stated that the lecture was well intended and its title reflects an introspective understanding of her career, passion, and labour for more than 2 decades.

While giving a brief history of the slicing tools, she said a radiograph which is also called a shadowgraph in its early days was a photographic image produced by the action of X rays on a film or photographic plates. She further stated that the shadowgraph is a two dimensional image that represents the composition of the object tranversed by the X ray and that the shadowgraph is majorly composed of the White and black hues with all other shades of f Grey in between them. She said this X rays represent the only window whereby physician view the internal structure of the body especially the skeletal anatomy.

She added that researchers around the world succeeded in displaying the ultrasonic transmission of the human brain and ventricle in the 1950s although it failed to provide clinical applicability because of the poor image quality and the procedure complexity.
An X ray cross Sectional image of the brain was achieved using computer tomography (CT) through the effort of an electrical engineer Sir Godfrey Hansfield in 1972 after which a cross Sectional part of the human body which resulted in Resonance Imaging Technology using a magnetic field was discovered 5 years later. This resonance imaging Technology made it possible to see the internal organs of the body without the need for doctor's knives.

In addition, she said that the 21st. Century radiologist does not only use conventional technology to interpret static X ray radiographs but can now also demonstrate real life across sectional images of the inner composition of the human body presenting them slice by slice from the skin to the bone without surgical cutting.
Also, while stating the benefits of the computer tomography scanner, she said that the university of Ibadan teaching hospital is now in possession of two CT scanner and that the first one was commissioned in 1998 which was the first CT scanner in Nigeria and the West Africa sub region. She proceeded by saying that her research team published a findings on CT for civilian gun shot in Ibadan in 2004 with the aim of determining incidence and radiological findings in this type of head injury. She said that unlike developed countries, the findings were documented in the pre-operative images as the cost of follow up CT studies were prohibited. The study identified among others intra-cranial missile track which according to Baky etal is central to surgical planning and management of the gun shot injured patient. She further stated that the report underscored the non invasive, rapid and invaluable nature of CT for the rational planning of the reparative surgery of these gun shot patient.

Towards the end of the lecture, she said that CT scanning has become the panacea to head injury management. It is therefore a must have for any specialist hospital. She however urged the government to subsidize and make affordable because the current advance in the management of head trauma recommends a serial follow up CT scan for head injured patient so as to monitor the intra-cranial pressure and then to detect any intra-cranial mass Effect lesions but the cost is not feasible both for treatment and research purposes because the current cost of the CT scan is equivalent to 150 dollars. In a country like Nigeria where greater than 33% are living below the poverty line despite a GDP of 493 billion dollars.

She concluded the lecture by saying "ladies and gentlemen, so far you will now agree with me that obtaining images by slicing through the human with CT did revolutionize the management of head injury patient and has been instrumental to giving live to skull.”

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