Journal of Nippon Medical School = Nippon Ika Daigaku zasshi · 2023
Distribution of Splenic Arterial Flow and Segmental Spleen Volume for Partial Splenic Arterial Embolization.
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Ueda Junji, Mamada Yasuhiro, Taniai Nobuhiko, Yoshioka Masato, Matsushita Akira, Mizutani Satoshi, Kawano Yoichi, Shimizu Tetsuya, Kanda Tomohiro, Takata Hideyuki, Furuki Hiroyasu, Aoki Yuto, Kawashima Mampei, Irie Toshiyuki, Ohno Takashi, Haruna Takahiro, Yoshida Hiroshi
Аннотация
INTRODUCTION: The spleen is a lymphatic organ that manages immune surveillance of the blood, produces blood cells, and helps filter the blood, remove old blood cells, and fight infection. The normal splenic weight is approximately 65-265 g. This study evaluated spleen volume and segmental volume.
METHODS: 121 patients who underwent enhanced CT at our center were analyzed. The spleen was divided into upper, middle, and lower segments according to arterial flow area, and the volume of each segment was measured. Patients were classified into two groups as those with and without liver cirrhosis, and differences in the distribution of the segments in these groups was evaluated.
RESULTS: The mean upper, middle, and lower spleen segmental volume ratios were 35.4%, 37.0%, and 27.6%, respectively. In the liver cirrhosis group, the segmental splenic volume ratios for the upper, middle, and lower segments were 34.5%, 38.5%, and 28.0%, respectively, indicating that these ratios remain similar regardless of liver cirrhosis status.
CONCLUSION: The present findings on segmental spleen volume are useful for estimating infarction volume in cases of partial splenic arterial embolization.
METHODS: 121 patients who underwent enhanced CT at our center were analyzed. The spleen was divided into upper, middle, and lower segments according to arterial flow area, and the volume of each segment was measured. Patients were classified into two groups as those with and without liver cirrhosis, and differences in the distribution of the segments in these groups was evaluated.
RESULTS: The mean upper, middle, and lower spleen segmental volume ratios were 35.4%, 37.0%, and 27.6%, respectively. In the liver cirrhosis group, the segmental splenic volume ratios for the upper, middle, and lower segments were 34.5%, 38.5%, and 28.0%, respectively, indicating that these ratios remain similar regardless of liver cirrhosis status.
CONCLUSION: The present findings on segmental spleen volume are useful for estimating infarction volume in cases of partial splenic arterial embolization.