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Diagnostic Accuracy of Ultrasonography Versus Computed Tomography for Ureteric Calculi Among the Adult Patients Visiting Mayo Hospital Lahore

Diagnostic Accuracy of Ultrasonography Versus Computed Tomography for Ureteric Calculi Among the Adult Patients Visiting Mayo Hospital Lahore dp8V6
Background: Uretric calculi was most commonly found associated with ureteric colic. It occurs due to low fluid intake, frequent urinary tract infections and medicines that may crystallize within the urine. Ureteric calculi are mostly composed of calcium which crystallizes in the kidney and moves down to ureter causing obstruction. The prevalence of ureteric colic is increasing everyday. Over-utilization of Computed tomography is a growing health concern because of the used of high radiation in computed tomography. Objective: To determine the diagnostic accuracy of ultrasonography versus computed tomography for ureteric calculi among the adult patients visiting Mayo hospital Lahore. Methods: This Cross-sectional descriptive study was conducted in the Department of Radiology in Mayo hospital Lahore. All patients with ureteric colic (as per operational definition) and with suspicion of ureteric calculus were included. The ct-scan machine of Hitachi (164 slices) and Ultrasound machine Siemens was used to performing this research to determine the diagnostic accuracy of ultrasonography versus computed tomography for ureteric calculi among the adult patients. Ureteric stones were diagnosed on a trans-Abdominal scan by using of 5MHz frequency. Results: Total 78 patients with sign and symptoms of ureteric calculi were imaged with ultrasonography and computed tomography, among them ureteric calculi were found in 25 (34. 2%) patients with ultrasound. Ureteric calculi were found in 52(71. 2%) with computed tomography scanning. The individuals of 17-75 years were mainly involved while most of them were male patients. We observed that, computed tomography scanning is batter to diagnose ureteric calculi as compared to ultrasonography. Ureteric stone is a kidney stone mostly small that normally moves down into the ureterusually composed of undissolved mineral and can easily be stuck in a narrow part of the ureter and leads to the obstruction at any point from the ureteropelvic junction (UPJ) toureterovesical junction (UVJ). These are a subset of the broader topic of urolithiasis. Urolithiasis is common in patients who present with hematuria and/or acute pain located in the flank areai. Acute ureteric colic is one of the worst pain a patient ever experiences in his/her lifeii. It is estimated that up to 6% of women will experience one or more renal calculi episodes in their lives with a recurrence rate of 50%. One in four patients with renal calculi has a family history of renal calculi a situation that multiplies the risk of lithiasis by threeiii. Men are more commonly affected than womeniv. These patients require periodic imaging studies to monitor the stone position and to assess for hydronephrosis. There is high variability in determining the choice of imaging protocols to observe the progression of ureteral calculi for following upv. Protocols guiding imaging use in the management of ureteral calculus disease are desirable because of the potentially harmful cumulative effects of radiation exposure to patients and the increased cost of high-resolution axial imaging moralities vi. Computed tomography (CT) has become the primary imaging modality for evaluating acute flank pain and suspected renal stone diseasevii. Because of its high sensitivity (95-97 %) and specificity (96-100 %) for urinary tract calculi detectionviii. CT is of particular value for detecting ureteral calculi, which often are not visualized with other imaging modalitiesix. However, CT entails exposure to ionizing radiation with attendant long term cancer risk, 4-7 is associated with a high rate of incidental findings that can lead to inappropriate follow-up referral and treatmentx. Although computed tomography (CT) has gained widespread acceptance as the prime investigation having several advantages over other imaging techniques (X-Ray, Ultrasound, Magnetic Resonance Imaging) xi. Ultrasonography (USG) can serve as an alternate for initial screening in the patientsxii. Ultrasound (US) is pain relief. Ultrasound (US) has limited diagnostic value in the assessment of patients with suspected renal stones even when performed by experienced hands particularly in the evaluation of distal ureteric calcul. It can easily identify the stones located in the pyeloureteric and vesicoureteric junctions(VUJ), as well as the complications caused by stones such dilatation of pelvicalyceal system and / or ureter proximal to obstruction and infectionsxiii. Medium and large renal lithiasis (> 5mm) can be easily detected with 2D ultrasonography due to the different echogenicity with the adjacent parenchyma and the posterior acoustic shadowingxiv. Ultrasound accuracy could also be lower in specific patient subgroups, such as in obese patients, women, and in specific age groups, especially women of reproductive age x
Background:
Uretric
calculi was most
commonly
found associated with ureteric colic. It occurs due to low fluid

intake, frequent urinary tract infections and medicines that may crystallize within the urine. Ureteric calculi are

mostly
composed of calcium which crystallizes in the kidney and
moves
down to ureter causing obstruction. The

prevalence of ureteric colic is increasing
everyday
. Over-utilization of
Computed
tomography is a growing

health concern
because
of the
used
of high radiation in
computed
tomography. Objective: To determine the

diagnostic accuracy of ultrasonography versus
computed
tomography for ureteric calculi among the adult

patients visiting Mayo hospital Lahore. Methods: This Cross-sectional descriptive study
was conducted
in the

Department of Radiology in Mayo hospital Lahore. All
patients
with ureteric colic (as per operational definition)

and with suspicion of ureteric calculus
were included
. The ct-scan machine of Hitachi (164 slices) and

Ultrasound machine Siemens was
used
to performing this research to determine the diagnostic accuracy of

ultrasonography versus
computed
tomography for ureteric calculi among the adult
patients
. Ureteric
stones
were diagnosed
on a trans-Abdominal scan by using of 5MHz frequency. Results: Total 78
patients
with
sign
and

symptoms of ureteric calculi
were imaged
with ultrasonography and
computed
tomography, among them ureteric

calculi
were found
in 25 (34. 2%)
patients
with ultrasound. Ureteric calculi
were found
in 52(71. 2%) with

computed tomography scanning. The individuals of 17-75 years were
mainly
involved while most of them were

male
patients
. We observed that,
computed
tomography scanning is batter to diagnose ureteric calculi as

compared to ultrasonography. Ureteric
stone
is a kidney
stone
mostly
small
that
normally
moves
down into the
ureterusually
composed of

undissolved mineral and can
easily
be stuck
in a narrow part of the ureter and leads to the obstruction at any

point from the
ureteropelvic
junction (
UPJ
)
toureterovesical
junction (
UVJ
). These are a subset of the broader

topic of
urolithiasis
.
Urolithiasis
is common in
patients
who present with hematuria and/or acute pain located in

the flank
areai
. Acute ureteric colic is one of the worst pain a
patient
ever experiences in his/her
lifeii
. It
is estimated
that up to 6% of women will experience one or more renal calculi episodes in their
lives
with a

recurrence rate of 50%. One in four
patients
with renal calculi has a family history of renal calculi a situation

that multiplies the
risk
of
lithiasis
by
threeiii
.
Men
are more
commonly
affected
than
womeniv
. These patients

require periodic
imaging
studies to monitor the
stone
position and to assess for
hydronephrosis
. There is high

variability in determining the choice of
imaging
protocols to observe the progression of
ureteral
calculi for

following
upv
. Protocols guiding
imaging
use
in the management of
ureteral
calculus disease are desirable

because
of the
potentially
harmful cumulative effects of radiation exposure to
patients
and the increased cost of

high-resolution axial
imaging
moralities vi.

Computed tomography (CT) has become the primary
imaging
modality for evaluating acute flank pain and

suspected renal
stone
diseasevii
.
Because
of its high sensitivity (95-97 %) and specificity (96-100 %) for urinary

tract calculi
detectionviii
. CT is of particular value for detecting
ureteral
calculi, which
often
are not visualized

with other
imaging
modalitiesix
.

However
, CT entails exposure to ionizing radiation with attendant long term cancer
risk
, 4-7
is associated
with a

high rate of incidental findings that can lead to inappropriate follow-up referral and
treatmentx
. Although

computed tomography (CT) has gained widespread acceptance as the prime investigation having several

advantages over other
imaging
techniques (X-Ray, Ultrasound, Magnetic Resonance
Imaging)
xi.

Ultrasonography (USG) can serve as an alternate for initial screening in the
patientsxii
. Ultrasound (US) is pain

relief. Ultrasound (US) has limited diagnostic value in the assessment of
patients
with suspected renal stones

even when performed by experienced hands
particularly
in the evaluation of distal ureteric
calcul
. It can
easily


identify the
stones
located in the
pyeloureteric
and
vesicoureteric
junctions(
VUJ
),
as well
as the complications

caused by
stones
such dilatation of
pelvicalyceal
system and / or ureter proximal to obstruction and
infectionsxiii
.

Medium and large renal
lithiasis
(>
5mm
) can be
easily
detected with 2D ultrasonography due to the
different


echogenicity with the adjacent
parenchyma
and the posterior acoustic
shadowingxiv
. Ultrasound accuracy could

also
be lower in specific
patient
subgroups, such as in obese
patients
, women, and in specific age groups,

especially
women of reproductive age x
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IELTS essay Diagnostic Accuracy of Ultrasonography Versus Computed Tomography for Ureteric Calculi Among the Adult Patients Visiting Mayo Hospital Lahore

Essay
  American English
6 paragraphs
716 words
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