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https://doi.org/10.14300/mnnc.2021.16003

The role of radiation navigation methods in determining surgical tactics in pathology of the periampular zone

[Surgery]
Rasul Medzhidov; Roza Sultanova; Ahmed Gadzhievich Hasanov;

Radical surgical interventions for diseases of the periampicular zone (PZ) are performed in 20 % of cases. Conversion to palliative surgery is not uncommon; therefore, the selection of patients for radical surgery is a very difficult problem. In this direction, modern methods of beam navigation are very promising. The article analyzes the results of ultrasound, MSCT and MRI in 513 patients with PZ pathology, and determines their significance in the choice of surgical tactics. The sensitivity of ultrasound in determining the distal obstruction of the biliary tract (BT) was 86.9 %, with cystic formations of the PZ – 100 %, MRI – 97.6 %. The most sensitive method in establishing the level of obstruction of the BT and the pancreatic system, the degree of dilatation of the BT and the main pancreatic duct, extrapancreatic complications of chronic pancreatitis (CP) is MRI. To determine the relationship of the tubular structures of the gastropancreatoduodenal zone (GPDR) and the degree of involvement of large vessels in the pathological process, MSCT with contrasting of the vascular system and BT are highly sensitive.

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Keywords: radiation navigation, pathology of the periampicular zone, pancreatoduodenal resection