Published online Jun 16, 2022. doi: 10.12998/wjcc.v10.i17.5899
Peer-review started: January 22, 2022
First decision: February 24, 2022
Revised: March 3, 2022
Accepted: April 4, 2022
Article in press: April 4, 2022
Published online: June 16, 2022
Liver metastasis of duodenal gastrointestinal stromal tumor (GIST) is rare. Most reports mainly focus on its treatment and approaches to surgical resection, while details on its contrast-enhanced ultrasound (CEUS) findings are lacking. The diagnosis and imaging modalities for this condition remain challenging.
A 53-year-old Chinese man presented with mild signs and symptoms of the digestive tract. He underwent routine examinations after GIST surgery. Magnetic resonance imaging showed a 2.3 cm hepatic space-occupying lesion. All the laboratory test results were within normal limits. For further diagnostic con
H-CEUS is useful for detecting microcirculation differences, wash-in patterns, and vascular morphogenesis and diagnosing liver metastasis of duodenal GIST.
Core Tip: Gastrointestinal stromal tumors (GISTs) are the most common types of gastrointestinal mesenchymal tumors. The liver is considered the most common organ target of metastasis; however, liver metastasis of duodenal GIST is extremely rare. We describe a new imaging modality, high frame rate contrast-enhanced ultrasound, for detecting microcirculation differences in the lesion, wash-in patterns during the early arterial phase, and vascular morphogenesis due to its high frame rate, during which liver metastasis of duodenal GIST can be diagnosed accurately. No complications were observed in our patient. We recommend this new technology for the diagnosis of liver metastasis of duodenal GIST.