“Frontal Echoendoscopes: A Comparable Alternative to Oblique-View Echoendoscopes for Diagnostic EUS and Possible Advantages in Therapeutic Procedures”

https://pubmed.ncbi.nlm.nih.gov/38095171

The study found that while oblique-view echoendoscopes are currently the primary tool for EUS, frontal echoendoscopes are interchangeable with oblique ones for diagnostic studies, and may have potential advantages in future therapeutic procedures.