Abstract
Although the liver is a regenerating organ, excessive loss of liver volume (LV) can cause fatal liver failure. It is unclear whether LV is correlated with age; however, it is known that liver function decreases with age. In addition, the gender-related role of LV remains unclear. This study aimed to investigate the changes in LV by age and gender. Between January and December 2018, 374 consecutive patients who underwent abdominal multidetector computed tomography (MDCT) for any abdominal examinations were enrolled. LV was evaluated using MDCT. The relationship between the LV and body mass index (BMI), body surface area (BSA), age, and gender was investigated. The modified LV (mLV) was calculated by a formula measured LV × 1.5/BSA. LV correlated to BSA more than to BMI in both the males (R: 0.559 vs. 0.416) and females (R: 0.479 vs. 0.300) in our study. Age was negatively correlated to LV and BSA, and correlated to LV more than to BSA in males (R: 0.546 vs. 0.393) and females (R: 0.506 vs. 0.385). In addition, the absolute slope between age and LV in the males was higher than that in the females (14.1 vs. 10.2, respectively). Furthermore, the absolute slope of age and mLV in the males was slightly higher than in the females (9.1 vs. 7.3, respectively). In conclusion, LV in the normal liver is correlated to age rather than the one in the diseased liver. Liver volume in the males decreased more with age than LV in the females.
Highlights
The liver can regenerate to recover the original mass once it is removed surgically [1, 2]
Characteristics including body mass index (BMI), body surface area (BSA), liver volume (LV), modified LV (mLV), AST, ALT, and PLT are significantly different between the males and the females
We found a clear relationship between LV, gender, and age from 374 consecutive multidetector computed tomography (MDCT) volumetry measures
Summary
The liver can regenerate to recover the original mass once it is removed surgically [1, 2]. The transition of the liver volume with aging. Ishinuki); Grants-in-Aid for Promotion of Cancer Research The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript
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