Healthshare insights • October 20, 2020

Clinical studies

Clinical studies

Organ Dose Measurement in Computed Tomography Using Thermoluminescence Dosimeter in Locally Developed Phantoms

Authors
Michael Onoriode Akpochafor, Samuel Olaolu Adeneye, Muhammad Yaqub Habeebu, Akintayo Daniel Omojola, Nusirat Adeola Adedewe, Aderonke Rashidat Adedokun, Adewa Oluwadare Joseph, Oluwafemi Sunday Ajibade, Victor Ekpo Etim, Moses Adebayo Aweda

Computed Tomography (CT) is one of the most widely used medical imaging modalities in clinical use. Moreover, it is increasingly used because of its sophisticated image quality and projections that technological advancement has brought to it. However, medical imaging from CT examinations has one of the highest patient radiation dose. Therefore, CT dose measurement is becoming increasingly important for the protection and optimisation of patients

A Simulation Study With Electronic Dosimeter to Estimate Patient and Personnel Dose in Orthopaedic Surgery

Author
Akintayo Omojola , Michael Akpochafor , Samuel Adeneye

The use of mini C-arm is required in many orthopaedic surgeries as an image guided tool. Studies have shown an unnecessarily high dose to patients if exposures are not properly optimised. Also, scatter radiation to personnel may increase the risk of cancer if an appropriate protective device is not used.

Radiographic Assessment of Protective Aprons and Dose Simulation to Personnel

Author
Akintayo Daniel Omojola, Michael Onoriode Akpochafor, Samuel Olaolu Adeneye, Ukeme Pius Aniekop

Studies have shown that protective aprons are carelessly handled after working hours. This in turn leads to cracks, tears, holes, and creases on the apron, which may lead to distortion in the attenuating property and hence reduction in efficiency. The aim of the study was to carry out the radiographic assessment of four protective aprons to check for tears, cracks, or pressure marks and to simulate what the equivalent dose rate, dose/procedure, percentage absorbance, and transmission factor (TF) would be if a physician is to perform hysterosalpingogram (HSG), for which he/she will be averagely exposed twice/procedure.

Design and Optimisation of a Water Cooled Antenna for Microwave Ablation Using Finite Element Method

Author
S. O. Adeneye, Ibitoye Z.A, Akpochafor M.O, Aweda M.A, Ajekigbe A.T,

Microwave ablation is a technique for treating cancerous tissues with the application of heat. Some tumours are located such that they cannot be successfully treated with conventional external radiation beam techniques. Microwave ablation is currently an alternative option being considered for the treatment of un-resectable tumours. In this study, we designed a water cooled microwave antenna for tumour ablation.

Development of Computed Tomography Head and Body Phantom for Organ Dosimetry

Author
Michael Onoriode Akpochafor, SAMUEL OLAOLU ADENEYE, Kehinde Ololade, AKINTAYO DANIEL OMOJOLA, OLUWAFEMI sunday Ajibade, Nusirat Adedewe, Aderonke Adedokun, Moses Aweda, Oluyemi Bright Aboyewa

Quality assurance in Computed tomography (CT) centres in developing countries are largely hindered by the unavailability of CT phantoms. The development of a local CT phantom for the measurement of organ radiation absorbed dose is therefore requisite.

Comprehensive Study Between Calculated and Measured Dvhs
for Prostate Cancer Patients Using Imrt/Rapidarc Dosimetric
Techniques

Author
Ibrahim El Hamamsi, Khaled.M.Elshahat, A. EL-Shershaby, T.M.Hegazy

The objective of this work is to compare between the calculated dose by treatment planning system (TPS) and the measured dose collected by ArcCHECK phantom, for prostate cancer patients with two techniques:Volumetric Modulated Arc Therapy (VMAT) and Intensity Modulated Radiation Therapy (IMRT) using 3DVH system (Sun Nuclear Corporation, Melbourne, FL, USA).

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