Research ArticleCLINICAL INVESTIGATIONS

Diagnosis of Cirrhotic Portal Hypertension and Compensatory Circulation Using Transsplenic Portal Scintigraphy with 99mTc-Phytate

Li Gao, Fuyong Yang, Changzheng Ren, Jiankui Han, Youan Zhao and Hua Li
Journal of Nuclear Medicine January 2010, 51 (1) 52-56; DOI: https://doi.org/10.2967/jnumed.109.067983

Article Figures & Data

Figures

  • FIGURE 1. 
    FIGURE 1. 

    Continuous dynamic scintigraphy images were acquired at 1 frame/s for 32 frames with matrix of 64 × 64. Normal image of transsplenic portal scintigraphy in control group showed splenoportal vein shaped like letter S (black arrow). Heart-pool image appeared at 9 s (blue arrow).

  • FIGURE 2. 
    FIGURE 2. 

    Sequential scintigraphy images acquired at 1 frame/s for 32 frames with matrix of 64 × 64. Intrahepatic shunt is characterized as expansion of splenoportal vein and intrahepatic portal vein, weak liver imaging, and mild to moderate heart-pool imaging.

  • FIGURE 3. 
    FIGURE 3. 

    Sequential scintigraphy images acquired at 1 frame/s for 32 frames with matrix of 64 × 64. Compensatory shunt has uphill collateral branch (left gastric vein, black arrow) and predominant downhill collateral branch (inferior mesenteric vein, blue arrow).

  • FIGURE 4. 
    FIGURE 4. 

    Sequential scintigraphy images acquired at 1 frame/s for 32 frames with matrix of 64 × 64. Completely extrahepatic shunt is characterized as highly expanded splenic vein (black arrow), unclear portal vein with thick collateral branch, and dense heart pool (blue arrow).

Tables

  • TABLE 1

    Correlation Between Width of Portal Vein, Width of Splenic Vein, Portosystemic Shunt Index, and Different Child Classes of Cirrhosis Group

    Child classNo. of casesWidth of portal vein (cm)Width of splenic vein (cm)Portosystemic shunt index
    A151.33 ± 0.170.89 ± 0.050.42 ± 0.06
    B191.41 ± 0.190.98 ± 0.070.56 ± 0.07*
    C161.44 ± 0.181.06 ± 0.080.77 ± 0.09†

    • ↵* P < 0.05.

    • ↵† P < 0.01 vs. class A.

    • Data are mean ± SD.

  • TABLE 2

    Correlation Between Width of Portal Vein, Portosystemic Shunt Index, and Degree of Esophageal Varices

    Degree of varicesNo. of casesWidth of portal vein (cm)Portosystemic shunt index
    Mild71.39 ± 0.130.40 ± 0.14
    Moderate121.44 ± 0.170.58 ± 0.18*
    Severe191.48 ± 0.190.75 ± 0.23*

    • ↵* P < 0.01 vs. grade 1.

    • Data are mean ± SD.

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