Advanced Diagnostic & Interventional Radiology Research Center | A rare case of hepatic portal venous gas (HPVG) diagnosed

Advanced Diagnostic & Interventional Radiology Research Center | A rare case of hepatic portal venous gas (HPVG) diagnosed
| Dec 11 2025
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Advanced Diagnostic & Interventional Radiology Research Center

COVID-19 pandemic 

During the COVID-19 pandemic, the Radiology Research Center at Tehran University of Medical Sciences continued its research activities despite the challenges posed by the increased demand for CT scans of COVID-19 patients and the necessity of adhering to strict health protocols. This center played a crucial role in improving medical imaging techniques, optimizing diagnostic protocols, and advancing technologies related to CT scan image analysis.

Faculty members, researchers, and staff remained committed to ensuring the safety and well-being of healthcare professionals and patients while actively engaging in imaging data analysis, developing artificial intelligence algorithms for faster disease detection, publishing scientific articles, and presenting their findings at international conferences. These efforts aimed to enhance diagnostic accuracy, improve treatment processes, and alleviate pressure on healthcare systems.

 

Key achievements of the Radiology Research Center during the COVID-19 pandemic include:


✔️ Development and optimization of lung imaging protocols for faster and more accurate COVID-19 diagnosis
✔️ Implementation of artificial intelligence technologies for automated CT scan analysis and reduced diagnosis time
✔️ Publication of high-impact research articles on innovative imaging methods for COVID-19 patients
✔️ Participation in national and international projects focused on COVID-19 diagnosis and patient management

The center remains dedicated to advancing research in medical imaging and continues to contribute as a leading scientific institution in improving the quality of diagnostic and therapeutic services.

 

Some of the center's significant achievements during the pandemic include:

 

  • Release Date : Jun 18 2025 - 08:23
  • : 88
  • Study time : Less than one minute

A rare case of hepatic portal venous gas (HPVG) diagnosed as emphysematous cystitis in an elderly diabetic dialysis

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Hepatic portal venous gas (HPVG) is the presence of air bubbles in the portal vein and its branches. Traditionally it was considered a lethal condition because the main etiology was bowel ischemia. However, with the extensive use of diagnostic tools, it became clear that the causes of this condition are diverse and may include, but are not limited to, bowel necrosis. Here, we present a rare case of HPVG in an elderly dialysis patient with diabetes mellitus, initially diagnosed by ultrasound and CT scan. Our patient experienced abdominal pain, dysuria, oliguria, and other urinary symptoms starting three weeks prior. After considering all diagnostic tools and correlating them with the patient's history, clinical findings, and follow-up, the underlying cause of the HPVG was determined to be emphysematous cystitis. We concluded that the presence of HPVG in the initial screening test should prompt a comprehensive investigation to determine the cause, as a rare condition like emphysematous cystitis can result in HPVG.

  • Article_DOI : 10.1007/s40477-024-00920-w
  • Author(s) : shahryar rahmani,tayebe ostadian
  • News Group : research,research article
  • News Code : 299809
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