Chang‐Hun Park

Distribution of VerifyNow Aspirin and P2Y12 Reaction Units in Adults Undergoing Preoperative Evaluation: A Single-Institution Retrospective Study

Background: VerifyNow Aspirin and P2Y12 assays (Werfen, Spain) measure residual platelet reactivity and may complement preoperative bleeding-risk assessment, but baseline values of aspirin reaction units (ARU) and P2Y12 reaction units (PRU) in individuals without antiplatelet exp...

A Case of Gastric Juvenile-Type Polyposis With SMAD4 Mutation

Juvenile polyposis syndrome (JPS) is a rare autosomal-dominant disorder characterized by the presence of multiple hamartomatous polyps in the gastrointestinal tract. JPS has been established to be attributable to SMAD4 mutations, which are frequently associated with severe gastri...