|dc.contributor.author||Njau, Benard K||
Acute flank pain is one of the most painful events one can be involved in. The most
common cause for this is usually urinary tract calculi also known as urolithiasis. There is
a global rise in urolithiasis incidences and the same trend is being seen in Kenya with
diagnostic tools awareness and use being a challenge in the emergency departments.
However other non-genital urinary conditions and non-calculus causes can have similar
Due to the nature and acuteness of the presentation of suspected renal colic as an
emergency a diagnostic tool that is highly sensitive, specific and rapid is required in such
CT-KUB has a high accuracy in detecting ureteric stones and plays a vital role in
identifying significant alternative diagnoses therefore guiding the proper management of
The goal of this study was to determine the CT findings in patients undergoing unenhanced
CT KUB for suspected renal colic.
Prospective cross-sectional descriptive study was done at the MP Shah hospital and the
Kenyatta national hospital department of radiology.
The study was carried out over a period of 6 months, from October 2019 to March 2020.
Patients who visited the emergency department or referred by the urologist with suspected
renal colic to undergo unenhanced low dose CTKUB and fit the inclusion criteria for the
duration of the study were included in this study. One hundred and two patients meeting
the inclusion criteria were selected for this study.
One hundred and two patients underwent unenhanced low dose MDCT KUB. All this
patients were included in the statistical analysis. These were 55 male and 47 female with
age range of 19 -72 years. The mean age was 41.7 (SD 12.5) years and the median age was
40 (IQR 33-49) years.
Thirty six of the patients [35%] had ureteric calculi, Thirty five [ 34%] were normal studies
with 31 [31 %] patients having alternative diagnosis.
The study demonstrated that unenhanced low dose MDCT is the imaging of choice for
evaluation of suspected renal colic as it is able to correctly identify ureteric calculi and also
identify alternate diagnoses for the proper management of the patients.
Unenhanced low dose MDCT is the imaging of choice for evaluation of suspected renal
colic as it can correctly identify urolithiasis and is able to significantly identify other causes
of acute pain that may mimic renal colic.
Presence of secondary radiological signs which was positive in 78% of the positive cases
for urolithiasis is a strong correlation and a significant finding in aiding the reporting
radiologist in making and confirming the diagnoses. They also give the confidence that
obstruction is caused by a calculus therefore an important diagnostic clue.
Adoption of Low dose Multidetector CT KUB as the first line imaging of choice for
evaluation of suspected renal colic patients as its able to correctly identify urolithiasis and
other alternate diagnosis with reduction of radiation dose exposure to the patient.
Proper and comprehensive clinical history and examination from referring clinician can
help in improve on discriminating the patients to undergo CT KUB and utilization of
other modalities like ultrasound especially on female patients as demonstrated by the high
number of female patients with gynecological alternate diagnosis in this study.
Future studies involving the dual energy MDCT to determine calculus composition is
warranted for future utilization of CT IN urolithiaisis imaging.||en_US
|dc.publisher||University of Nairobi||en_US
|dc.rights||Attribution-NonCommercial-NoDerivs 3.0 United States||*
|dc.subject||CT findings in suspected renal colic patients undergoing unenhanced low-dose multi-detector computed tomography.||en_US
|dc.title||CT findings in suspected renal colic patients undergoing unenhanced low-dose multi-detector computed tomography.||en_US
Department of Psychiatry, University of Nairobi, ; bDepartment of Mental Health, School of Medicine,
Moi University, Eldoret, Kenya||