CT scan evaluation normal liver, spleen, and kidney size parameters in adults at TASH, Addis Ababa, Ethiopia: an institutional-based cross-sectional prospective study
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Date
2021-10
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Addis Abeba University
Abstract
Introduction: Liver, spleen, and kidney size can be affected by different diseases so, wellestablished
measurements of the actual size of those organs are mandatory. Computed
tomography is one imaging modality that measures the sizes of the internal organs accurately.
Objective: The main aim of this study was to determine the normal liver, spleen, and kidneys
size parameters and their correlation with demographic factors on abdominal CT scans in
adultswho visited TASH, Addis Ababa, Ethiopia
Methods: a prospective hospital-based cross-sectional study was done from June 24-December
28, 2020 in adults who visited TASH. Non-probability, the convenience study design was used.
Data were collected from consecutive eligible adults who came for abdominal CT scans in the
study period, using interviewer-administered structured questionnaires. A total of 1008
abdominopelvicCT was examined and 164 adults (117 for liver, 124 for kidney, and 147 for
spleen)were selected for this study based on inclusion and exclusion criteria.Different linear
measurements of the liver, spleen, and kidneys were taken and the volume of those organs was
calculated from the linear measurements. The data was cleaned and analyzed using SPSS version
26.0. Student t-test and Pearson correlation were used to perform statistical analysis and the
results were presented using tables and figures.
Results:The mean volume of the liver, spleen, right kidney, and left kidney were 1089.33 cm3 ±
257.73 mc3, 195.82 cm3 ± 84.72 cm3, 106.62±28.88 cm3, and 115.02 ±28.51 cm3 respectively.
The mean maximum CC length, MHP CC length, the MHP AP diameter, and the maximum
transverse diameter of the liver were found to be 14.88 ±1.94, 10.21± 1.73, 14.99 ±1.85, and
15.71 ± 2.19 respectively. The mean maximum length, width, and thickness of the spleen were
9.53 ± 1.53, 9.10±1.42, and 4.18 ± 0.91 respectively. The mean maximum length, width, and
depth of the kidneywere 9.83±1.02, 4.66±0.56, & 4.48±0.47 and 13±1.04, 4.84±0.58, &
4.43±0.49 on the right and left side respectively. The volume of the liver, the right kidney, and
the left kidney were positively correlated with the height, weight, BMI, and BSA of patients.
Splenic volume was also positively correlated with the weight, height, and BSA of the
participants. The age of the patients was significantly negatively correlated with the liver and left
kidney volume.
Conclusion:The mean volume of the liver, spleen, and kidney were highly correlated with body
habitus including height, weight, and BSA. There was a significant decrement in the size of the
liver and kidney with aging.
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Keywords
CT scan, liver, spleen, kidney