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Anomalous Branch of the Left Hepatic Artery With Pericardial, Diaphragmatic, Splenic and Gastric Supply During Selective Internal Radiotherapy (SIRT).

Authors:
Naushad H Karim Jon Bell Damian Mullan Jeremy Lawrance Pavan Najran

Cureus 2021 Dec 12;13(12):e20373. Epub 2021 Dec 12.

Interventional Radiology, The Christie National Health Service Foundation Trust, Manchester, GBR.

Selective internal radiotherapy (SIRT) is an established modality for the treatment of hepatic malignancy. The procedure is normally carried out in two parts. The first part involves a planning or "work-up" angiogram to delineate anatomy and plan safe yttrium-90 (Y90) delivery, and the second part for the administration of the Y90 microspheres. The work-up angiogram has three main purposes including delineation of hepatic and tumor vascular anatomy, which might influence the administration of the microbeads, identification, and embolization of blood vessels, which may complicate treatment or contribute to non-target Y90 microsphere deposition and administration of technetium 99 (metastable) labeled macroaggregated albumin (TcMAA) at the planned administration points prior to the same day single-photon emission computed tomography (SPECT) or planar SPECT to identify sites of TcMAA uptake. We present the case of a SIRT procedure that demonstrated an anomalous artery arising from the left hepatic artery with supply to the pericardium, diaphragm, fundus of the stomach, and spleen. This is a rare vascular variant that highlights the importance of thorough assessment of both the planning angiograms and SPECT CT for the presence of anatomical variants and abnormal extrahepatic TcMAA uptake to help reduce the need to recall patients for repeat work-up procedures.

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http://dx.doi.org/10.7759/cureus.20373DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8752408PMC
December 2021

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Anomalous Branch of the Left Hepatic Artery With Pericardial, Diaphragmatic, Splenic and Gastric Supply During Selective Internal Radiotherapy (SIRT).

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Naushad H Karim Jon Bell Damian Mullan Jeremy Lawrance Pavan Najran

Cureus 2021 Dec 12;13(12):e20373. Epub 2021 Dec 12.

Interventional Radiology, The Christie National Health Service Foundation Trust, Manchester, GBR.

Selective internal radiotherapy (SIRT) is an established modality for the treatment of hepatic malignancy. The procedure is normally carried out in two parts. The first part involves a planning or "work-up" angiogram to delineate anatomy and plan safe yttrium-90 (Y90) delivery, and the second part for the administration of the Y90 microspheres. Read More

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