画像診断cafe - 【急性肝炎や胆管炎の画像所見】 グリソン鞘に浮腫が起こる → ①門脈周囲浮腫を反映して「periportal collar」 ②門脈は浮腫により圧排されるが動脈はされないため、相対的に動脈相での局所の動脈血流が多くなるため、「動脈相でまだらな造影効果」 を ...
![Transient periportal hyperechogenicity in feverish patients: a novel ultrasonographic finding. - Abstract - Europe PMC Transient periportal hyperechogenicity in feverish patients: a novel ultrasonographic finding. - Abstract - Europe PMC](https://europepmc.org/articles/PMC6531589/bin/40477_2019_369_Fig2_HTML.jpg)
Transient periportal hyperechogenicity in feverish patients: a novel ultrasonographic finding. - Abstract - Europe PMC
![a, b CT showed large amount of ascites, periportal collar sign, and... | Download Scientific Diagram a, b CT showed large amount of ascites, periportal collar sign, and... | Download Scientific Diagram](https://www.researchgate.net/publication/334498132/figure/fig1/AS:781455743545344@1563324976550/a-b-CT-showed-large-amount-of-ascites-periportal-collar-sign-and-right-ureteral.png)
a, b CT showed large amount of ascites, periportal collar sign, and... | Download Scientific Diagram
![Mauricio Ambriz on Twitter: "El riesgo de muerte por CÁNCER atribuible a una sola tomografía computarizada es de aproximadamente 0.02% en pacientes de 50 años y 0.06% en pacientes de 25 años. Mauricio Ambriz on Twitter: "El riesgo de muerte por CÁNCER atribuible a una sola tomografía computarizada es de aproximadamente 0.02% en pacientes de 50 años y 0.06% en pacientes de 25 años.](https://pbs.twimg.com/media/ErJ8SvBXIAImst1.jpg:large)
Mauricio Ambriz on Twitter: "El riesgo de muerte por CÁNCER atribuible a una sola tomografía computarizada es de aproximadamente 0.02% en pacientes de 50 años y 0.06% en pacientes de 25 años.
Hypoattenuating periportal halo on CT in a patient population can occur in presence of a variety of diseases | PLOS ONE
![Axial contrast-enhanced computed tomography at the level of left portal... | Download Scientific Diagram Axial contrast-enhanced computed tomography at the level of left portal... | Download Scientific Diagram](https://www.researchgate.net/publication/279303820/figure/fig3/AS:267915232542773@1440887377815/Axial-contrast-enhanced-computed-tomography-at-the-level-of-left-portal-vein-of-the-liver.png)
Axial contrast-enhanced computed tomography at the level of left portal... | Download Scientific Diagram
![PDF) Computed tomography findings in acute decompensated heart failure: periportal collar sign and lymphedema in the hepatoduodenal ligament and retroperitoneal space PDF) Computed tomography findings in acute decompensated heart failure: periportal collar sign and lymphedema in the hepatoduodenal ligament and retroperitoneal space](https://www.researchgate.net/publication/279303820/figure/fig3/AS:267915232542773@1440887377815/Axial-contrast-enhanced-computed-tomography-at-the-level-of-left-portal-vein-of-the-liver_Q320.jpg)
PDF) Computed tomography findings in acute decompensated heart failure: periportal collar sign and lymphedema in the hepatoduodenal ligament and retroperitoneal space
![a, b CT showed large amount of ascites, periportal collar sign, and... | Download Scientific Diagram a, b CT showed large amount of ascites, periportal collar sign, and... | Download Scientific Diagram](https://www.researchgate.net/publication/334498132/figure/fig2/AS:781455743541248@1563324976605/a-b-Gastroscopy-showed-reduction-tumor-extremely-and-thin-walled-c-d-CT-showed-ascites_Q320.jpg)
a, b CT showed large amount of ascites, periportal collar sign, and... | Download Scientific Diagram
![Cureus | Hepatic, Periportal, Retroperitoneal, and Mesenteric Neurofibromatosis in von Recklinghausen's Disease Cureus | Hepatic, Periportal, Retroperitoneal, and Mesenteric Neurofibromatosis in von Recklinghausen's Disease](https://assets.cureus.com/uploads/figure/file/30127/lightbox_d3594770127411e8938e190c7f2cb35e-Untitled-1.png)