Case Report: A case of intrahepatic papillary neoplasm of the bile duct with invasive carcinoma in a young patient and review of the literature

The diagnosis and management of IPNB remain challenging, particularly in patients who present with atypical clinical symptoms and lack significant abnormalities in laboratory tests. Early imaging plays a critical role in guiding the diagnostic process. However, comprehensive diagnostic speculations, clinical expertise, and even invasive detections are essential for establishing a definitive diagnosis and determining the appropriate treatment strategy. Given the potential to invasive carcinoma, early detection and resection are vital to improving prognosis.