MRI Pancreas — Dictation, Appropriateness, and Dose for Residents

It’s a busy outpatient list. The next case is an MRI of the pancreas for a 2 cm cyst found incidentally on an ultrasound. The ordering provider wants to know if it’s an Intraductal Papillary Mucinous Neoplasm (IPMN), and if so, what to do next. Your attending expects a full breakdown based on the Fukuoka criteria—high-risk stigmata, worrisome features, and a clear recommendation for either surveillance, endoscopic ultrasound, or surgical resection. You remember the main duct size cutoffs, but what about the mural nodule enhancement and size? Getting this right means the difference between unnecessary surgery and a missed malignancy.

This is where a solid, systematic approach saves you. Having a bulletproof template and knowing the key decision points cold makes you efficient and accurate, which is exactly what your attendings (and your future self) will value. For more tools like this, check out the residents and fellows resource hub we’ve put together.

What an MRI of the Pancreas Covers and What Attendings Look For

An MRI of the pancreas is the workhorse for characterizing cystic lesions, evaluating for adenocarcinoma in patients with indeterminate CT findings, and staging known tumors. Unlike CT, it provides superior soft tissue contrast and dedicated sequences for visualizing the pancreatic and biliary ducts (MRCP) without ionizing radiation. It’s the go-to for IPMN surveillance and characterizing complex cysts.

When I’m reading one of these, I’m systematically evaluating a few key areas. Your attending will expect your report to clearly address:

• Pancreatic Parenchyma: Is there a discrete mass? Is it hypoenhancing (suspicious for adenocarcinoma) or hyperenhancing (suggesting a neuroendocrine tumor)? Is there diffuse enlargement (the “sausage” pancreas of autoimmune pancreatitis) or atrophy (a sign of chronic pancreatitis or an obstructing mass)?
• Pancreatic and Biliary Ducts: This is where MRCP shines. Is the main pancreatic duct dilated? Is there an abrupt cutoff? Is there communication between a cyst and the main duct (the defining feature of a branch-duct IPMN)?
• Cystic Lesion Characterization: If a cyst is present, you need to describe its size, wall thickness, septations, and the presence of any enhancing mural nodules. This is the core of applying the Fukuoka criteria for IPMNs.
• Vascular Involvement: For any suspected malignancy, staging is paramount. Your report must describe the relationship of the tumor to the celiac axis, superior mesenteric artery (SMA), and the portal/superior mesenteric vein (SMV) confluence. Encasement greater than 180 degrees is a key determinant of unresectability.
• Metastatic Disease: Always, always check the liver for metastases. They are a common landing spot for pancreatic adenocarcinoma.

Radiology Report Template for MRI Pancreas

Here’s a solid starting point for your dictation macro. It’s structured to make sure you don’t miss anything critical. Drop this into your voice recognition software and modify it as you go.

Technique

Multiplanar, multisequence MRI of the pancreas was performed before and after the administration of intravenous gadolinium-based contrast. Sequences included T1- and T2-weighted imaging, in-and-out-of-phase imaging, diffusion-weighted imaging, and 2D/3D MRCP. Post-contrast imaging included dynamic arterial, pancreatic parenchymal, portal venous, and delayed phases.

Findings

PANCREAS: The pancreas is normal/abnormal in size and contour. The uncinate process, head, neck, body, and tail are visualized.

Mass: [Describe location, size, signal characteristics on T1/T2, enhancement pattern (hypoenhancing/hyperenhancing on arterial phase), and diffusion restriction.]

Cystic Lesion: [Describe location, size, communication with the main pancreatic duct. Note wall thickness, septations, and presence/size of any enhancing mural nodules.]

Parenchyma: [Note any parenchymal atrophy, steatosis, or features of pancreatitis.]

PANCREATIC DUCT: The main pancreatic duct measures up to [X] mm in diameter. [Describe any dilation, stricture, abrupt cutoff, or intraductal calculi/lesions.]

BILIARY TREE: The common bile duct measures up to [X] mm. There is no/is intrahepatic or extrahepatic biliary ductal dilation.

LIVER: No suspicious hepatic lesion identified. [If lesions are present, describe location, size, and enhancement characteristics, noting any findings suspicious for metastases.]

VASCULATURE: The celiac axis, superior mesenteric artery, portal vein, and superior mesenteric vein are patent. [Describe any tumor abutment, encasement (>180 degrees), or thrombosis.]

OTHER: The spleen, adrenal glands, and kidneys are unremarkable. No significant lymphadenopathy or free fluid.

Impression

1. [Size] pancreatic head mass with hypoenhancement on arterial phase imaging and associated upstream pancreatic ductal dilation, highly suspicious for pancreatic ductal adenocarcinoma. The tumor [abuts/encases] the superior mesenteric artery, consistent with [borderline resectable/unresectable] disease.

OR

1. [Size] branch-duct IPMN in the pancreatic tail. No high-risk stigmata are identified. Worrisome features include [cyst size >3 cm / thickened enhancing walls]. Recommend EUS for further evaluation per Fukuoka guidelines.

OR

1. No evidence of a suspicious pancreatic mass or ductal abnormality. No features of acute or chronic pancreatitis.

Free Radiology Template Repositories

Building your own templates is a rite of passage, but you don’t have to start from scratch. Two great free repositories exist that can give you a solid foundation for almost any study you’ll encounter on call. They are maintained by radiologists for radiologists.

• RadReport.org: Curated by the RSNA, this is one of the most comprehensive libraries out there. The templates are standardized and peer-reviewed.
• Radiology Templates (AU): This is an excellent resource maintained by Australian radiologists. It’s practical, well-organized, and offers a slightly different perspective on structuring reports.

Streamlining Your Reports with AI-Assisted Dictation

Pasting a template is a good start, but the real work is filling it out accurately and efficiently. When you’re dictating positive findings—like the size of a mural nodule, the degree of vascular encasement, or the diameter of the main duct—you still have to manually slot that information into the right place in the report and then synthesize it in the impression. This is where modern tools can make a huge difference.

Instead of dictating into a static template, AI-powered dictation assistants allow you to state the positive findings in a more natural, free-form way. The software then parses your dictation and automatically generates a fully structured report based on established ACR and SIR templates. It can help apply complex frameworks like the Fukuoka criteria for IPMNs or LI-RADS for liver lesions, ensuring your report is complete and compliant with current standards. This approach helps reduce the mental load of structuring the report, letting you focus on the diagnostic task at hand.

When Should You Order an MRI of the Pancreas? ACR Appropriateness Criteria

Knowing when MRI is the right call is just as important as reading it well. The American College of Radiology (ACR) provides evidence-based guidelines that are your best friend here. A key advantage of MRI is the lack of ionizing radiation, making it ideal for surveillance in younger patients or those with conditions like IPMN requiring frequent follow-up.

For a patient with a pancreatic cyst found on other imaging, MRI of the pancreas is the first-line, “Usually Appropriate” study for characterization and surveillance, particularly for suspected IPMN.

When pancreatic ductal adenocarcinoma is clinically suspected, both multiphasic CT and MRI are rated “Usually Appropriate” for initial imaging. MRI is also “Usually Appropriate” for locoregional staging and evaluating the extent of disease before surgery or after neoadjuvant therapy.

In cases of suspected chronic pancreatitis, MRI/MRCP is “Usually Appropriate” for initial imaging to evaluate for ductal abnormalities and complications. For acute pancreatitis, CT is generally preferred for initial assessment of severity and necrosis, especially in the first 48-72 hours. However, MRI is a “Usually Appropriate” alternative, particularly if there’s a contraindication to iodinated contrast or if biliary obstruction is suspected.

Key alternatives to MRI include:

• CT Pancreas (multiphase): Often the first test for acute pancreatitis or vague abdominal pain. It’s excellent for detecting calcifications in chronic pancreatitis and assessing for necrosis. It’s a strong alternative when MRI is contraindicated.
• Endoscopic Ultrasound (EUS): The gold standard for evaluating small pancreatic masses, characterizing cyst walls/nodules, and sampling lymph nodes for staging. Often the next step after an MRI shows worrisome features.
• ERCP (Endoscopic Retrograde Cholangiopancreatography): Primarily a therapeutic procedure for relieving biliary or pancreatic duct obstruction, though it has a diagnostic role in some cases. It is invasive and carries a risk of pancreatitis.

MRI Pancreas Imaging Protocol — Sequences, Phases, and Key Parameters

A high-quality pancreas MRI protocol is all about timing and technique. The goal is to capture the differential enhancement of the normal pancreas, tumors, and surrounding structures. The protocol is built around a dynamic post-contrast T1-weighted sequence, supplemented by T2-weighted imaging and MRCP for ductal anatomy.

The multiphase acquisition is critical. Pancreatic adenocarcinoma is typically hypovascular and most conspicuous during the pancreatic parenchymal phase (around 40 seconds), when the normal pancreas enhances avidly. In contrast, pancreatic neuroendocrine tumors (PNETs) are hypervascular and light up brightly on the arterial phase (around 25 seconds).

The 3-Months-Free Residents Offer

3+ months free for radiology residents and fellows

Look like a rockstar on your reports. With the GigHz Radiology Report Assistant, you can dictate your positive findings in free form, and the AI generates a perfect structured report using the latest ACR and SIR templates. The appropriate Clinical Decision Support (CDS) frameworks fire automatically, ensuring your impressions are complete and evidence-based.

All we ask in return is your feedback so we can keep improving the product for trainees. To get started, just send us these three items:

1. Your PGY year (e.g., PGY-2, PGY-4)
2. Your training type (radiology residency or fellowship specialty)
3. Your training program / hospital name

The signup process is simple. No credit card, no long forms. Just reply with the info above and we’ll get you set up. Ready to give it a try? You can apply for the residents free-access program here.

Free GigHz Tools That Pair With This Article

Three free tools that complement the material above:

• ACR Appropriateness Criteria Lookup — Type an indication or clinical scenario in plain language and get the imaging studies the ACR rates for it, with adult and pediatric radiation levels. Built directly from 297 ACR topics, 1,336 clinical variants, and 15,823 procedure ratings.
• GigHz Imaging Protocol Library — A searchable library of 131 imaging protocols with the physics specs surfaced and the matching ACR Appropriateness Criteria alongside. Plain-English narratives readable in 60 seconds, organized by modality.
• GigHz Radiation Dose Calculator — Pick the imaging studies a patient has had and see total dose in millisieverts (mSv) with comparisons to natural background radiation, transatlantic flights, and chest X-rays. Useful for shared decision-making.

Frequently Asked Questions

Is it HIPAA-compliant?

Yes. The platform is designed for de-identified workflows by default. It operates on the text of your dictation, not on protected health information (PHI) from the EMR or PACS. It’s built to be a tool for the radiologist, separate from the patient record.

Do I need my hospital’s IT department to set this up?

No. GigHz Precision AI is browser-based, so there’s no software to install. It works on any modern computer, including the workstations in the reading room or your personal laptop or iPad at home. No IT tickets required.

Does this replace PowerScribe or other voice recognition software?

No, it works alongside it. You can dictate into your usual system, then copy-paste the raw text into the AI assistant for structuring. Alternatively, you can dictate directly into the web interface and then paste the final, structured report back into your PACS/RIS.

Can I use this on my phone or iPad on call?

Yes, the platform is fully responsive and works well on mobile devices. It’s a great way to quickly structure a report on the go when you’re covering the service from outside the main reading room.

Can I customize the templates?

Yes. While the system comes pre-loaded with ACR and SIR standard templates, you can create, modify, and save your own templates to match your personal preferences or your institution’s required format.

What happens after my residency or fellowship ends?

The free access program is specifically for trainees. After you graduate, you can transition to a standard plan for practicing radiologists. We offer discounts for recent graduates to help you get started in your new role.

Reviewed by Pouyan Golshani, MD, Interventional Radiologist — May 7, 2026