A convenient and reliable method for endoscopic mapping biopsy of cholangiocarcinoma using a double-lumen cytology device

The Double-Max method: a novel method for gallbladder epithelial biopsy

“…org). 1 We called this the Double-Max method, in which SpyBite Max Biopsy Forceps (Boston Scientific, Natick, Mass, USA) were inserted into the main lumen after the brush and the connector were removed. The guidewire (Endoselector, Boston Scientific, Natick, Mass, USA), placed in the gallbladder, was fed through the side lumen (Fig.…”