ArticleWorld journal of clinical cases2024
High-grade pancreatic intraepithelial neoplasia diagnosed based on changes in magnetic resonance cholangiopancreatography findings: A case report.
Article in World journal of clinical cases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 5 citations in OpenAlex.
- Extensive high-grade PanIN of the main pancreatic duct requiring total pancreatectomy diagnosed after long-term surveillance.Clinical journal of gastroenterology · 2026Article
- High-grade pancreatic intraepithelial neoplasia: A commentary of magnetic resonance cholangiopancreatography findings.World journal of clinical cases · 2025Article
- Role of pancreatic juice cytology in diagnosis of high-grade pancreatic intraepithelial neoplasia.World journal of clinical cases · 2025Article
- Pancreatic cancer: Future challenges and new perspectives for an early diagnosis.World journal of clinical oncology · 2025Article
- Early detection of pancreatic cancer.World journal of clinical cases · 2024Article
- Early diagnosis of pancreatic cancer: Shedding light on an unresolved challenge.World journal of clinical cases · 2024Article
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Authors and funding
16 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHigh-grade pancreatic intraepithelial neoplasia (PanIN) exhibits no mass and is not detected by any examination modalities. However, it can be diagnosed by pancreatic juice cytology from indirect findings. Most previous cases were diagnosed based on findings of a focal stricture of the main pancreatic duct (MPD) and caudal MPD dilatation and subsequent pancreatic juice cytology using endoscopic retrograde cholangiopancreatography (ERCP). We experienced a case of high-grade PanIN with an unclear MPD over a 20-mm range, but without caudal MPD dilatation on magnetic resonance cholangiopancreatography (MRCP). CASE SUMMARY: A 60-year-old female patient underwent computed tomography for a follow-up of uterine cancer post-excision, which revealed pancreatic cysts. MRCP revealed an unclear MPD of the pancreatic body at a 20-mm length without caudal MPD dilatation. Thus, course observation was performed. After 24 mo, MRCP revealed an increased caudal MPD caliber and a larger pancreatic cyst. We performed ERCP and detected atypical cells suspected of adenocarcinoma by serial pancreatic juice aspiration cytology examination. We performed a distal pancreatectomy and obtained a histopathological diagnosis of high-grade PanIN. Pancreatic parenchyma invasion was not observed, and curative resection was achieved.
conclusionHigh-grade Pan-IN may cause MPD narrowing in a long range without caudal MPD dilatation.
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