According to research reviewed by Gram, a large pancreatic cyst found during pregnancy may be safely removed after delivery when cancer is not suspected. In a 2026 case report, a 36-year-old woman had a 19.4 by 14.5 centimeter cyst removed 11 weeks after giving birth, with an uncomplicated recovery.
According to research reviewed by Gram, doctors found a large pancreatic cyst by chance in a 36-year-old woman near the end of her pregnancy. On early scans the growth looked like an ovarian tumor, but further testing showed it was a mucinous cystic neoplasm, a fluid-filled growth in the pancreas, the organ behind the stomach that helps digest food. The cyst measured about 19 by 14 centimeters. When dangerously high blood pressure appeared close to her due date, she delivered by cesarean section. Surgeons removed part of the pancreas and the spleen 11 weeks after birth, and her recovery was smooth. The authors suggest that when cancer is not suspected, waiting until after delivery to remove the cyst appears to be a safe choice. Because this report describes only one patient, it cannot prove what works for everyone.
Key Statistics
A 2026 case report published in the journal Medicine described a 36-year-old pregnant woman whose pancreatic cyst measured 19.4 by 14.5 centimeters and was removed 11 weeks after delivery without complications.
In the 2026 case report, the cyst was discovered at 36 weeks of pregnancy, and the woman delivered by cesarean section at 37 weeks and 2 days after developing severe high blood pressure.
The 2026 case report planned a 6-month follow-up after surgery, and the authors concluded that planned postpartum removal may be safe when malignancy is not suspected.
The Quick Take
- What they studied: How doctors should manage a pancreatic cyst that is discovered during pregnancy, including when surgery should happen and whether it can wait until after the baby is born.
- Who participated: One woman, age 36, who had chronic high blood pressure and gestational diabetes that was controlled through diet. She had no symptoms from the cyst when it was found at 36 weeks of pregnancy.
- Key finding: The cyst was large, about 19.4 by 14.5 centimeters, and showed abnormal cells, but no spread was found. Surgery was safely delayed until 11 weeks after delivery, and recovery had no complications. This is one case, so it shows what happened in one patient rather than a reliable rate across many people.
- What it means for you: If you are pregnant and have been told you have a pancreatic cyst, the timing of surgery depends on how far along you are and how likely the growth is to be cancer. Talk with your care team about your specific situation before making decisions.
The Research Details
This is a case report, which means the authors carefully describe the medical history, imaging, and treatment of a single patient. Case reports are often used to share unusual situations that doctors may encounter only rarely. They are not designed to test whether a treatment works across a group of people.
In this case, the woman had no symptoms. The cyst was first noticed on a scan and then studied with magnetic resonance imaging, a detailed scan that uses magnets and radio waves to create pictures of the body. The scan showed a cyst with multiple internal walls and a thin outer wall, located in the tail of the pancreas. Doctors then examined tissue after surgery to confirm the type of growth and whether it had spread.
The authors followed what happened during pregnancy, delivery, and recovery, and they planned a 6-month follow-up. Their goal was to share practical lessons about timing surgery during pregnancy, not to produce statistics for a large population.
Case reports are useful when a situation is rare and doctors need practical guidance. Pancreatic cysts during pregnancy are uncommon, so there are few studies that compare treatment options. A detailed case like this helps doctors see how a cyst can change during pregnancy and how surgery can be planned around delivery.
This type of report also helps generate questions for larger studies. However, because it follows only one person, its conclusions are best seen as examples rather than proof.
The report includes clear details about the patient’s symptoms, scans, pregnancy timeline, surgery, and follow-up, which makes it easier to understand what happened. It was published in a peer-reviewed journal, meaning other experts reviewed it before publication.
Still, a single patient cannot show how common this problem is, how often cysts grow during pregnancy, or whether delaying surgery is safe for everyone. The follow-up period was also short, since the authors planned 6 months of monitoring after surgery at the time of writing.
What the Results Show
The main finding was that a large pancreatic cyst was found during the third trimester of pregnancy at 36 weeks. Scans showed a cyst about 19.4 by 14.5 centimeters with an irregular internal structure. After the baby was born, tissue testing confirmed a type of growth called a mucinous cystic neoplasm, and the abnormal cells were described as high-grade, meaning they looked significantly abnormal. No spread to other parts of the body was found.
At 37 weeks and 2 days, the woman developed sudden, severe high blood pressure. Doctors worried she might have preeclampsia, a dangerous pregnancy condition involving high blood pressure and stress on organs. Because of this concern, the baby was delivered by cesarean section. This shows how the pregnancy itself can shape the timing of care.
About 11 weeks after delivery, the surgeon performed a laparoscopic distal pancreatectomy with splenectomy. This means the tail of the pancreas and the spleen were removed through small incisions guided by a camera. The authors reported that the recovery was uncomplicated.
The authors concluded that the best time for surgery should be based on how far along the pregnancy is and how likely the growth is to be cancerous. When cancer is not suspected, planned surgery after birth appears to be a safe approach.
The report notes that the cyst was discovered without symptoms, which highlights how some pancreatic growths are found only through imaging done for another reason. The woman also had chronic high blood pressure and gestational diabetes, but the report does not claim these conditions caused the cyst. Her blood sugar was managed with diet alone.
The authors also emphasized that the growth was large and showed high-grade abnormal cells, which is why careful monitoring and planning were important. The case suggests that surgery may be delayed safely in some situations, but it also shows that cancer risk must be assessed closely.
Mucinous cystic neoplasms of the pancreas are described in medical literature as uncommon tumors that are more often seen in women. The report notes that these growths appear to respond to sex hormones, which rise during pregnancy and may help explain why some grow quickly. This case adds a detailed example to a small body of reports on pancreatic cysts found during pregnancy.
Because only a limited number of similar cases have been published, this report helps doctors compare choices and timing, but it does not replace larger studies that track many patients over time.
The biggest limitation is the sample size: this report describes one woman. Her experience may not reflect what happens to other pregnant patients with pancreatic cysts. The results cannot show how often these cysts grow during pregnancy, how often they become cancerous, or which surgical timing works best across different situations.
The follow-up period was also short, since the authors planned 6 months of monitoring after surgery. Long-term outcomes, such as whether the cyst returns or whether the patient develops other problems, were not yet known when the report was written.
The Bottom Line
Confidence level: low to moderate. Based on this single case and general medical understanding, the authors suggest that if cancer is not suspected, planned surgery after delivery may be a safe option. This recommendation is a reasonable starting point for discussion, but it is not a firm rule.
Confidence level: moderate. Doctors generally consider how far along the pregnancy is, the size of the growth, and signs of cancer when deciding on timing. Pregnant patients with a cyst should have care coordinated among obstetric, surgical, and imaging specialists.
Confidence level: low. The report does not provide evidence about whether pregnancy-related hormones always cause growth, so monitoring with regular imaging is a sensible step while decisions are made.
This report is most relevant to pregnant people who have been told they have a pancreatic cyst, their partners, and the doctors who care for them, including obstetricians, surgeons, and radiologists. It may also interest healthcare students and people who want to understand how complex medical decisions are made during pregnancy.
People who are not pregnant and do not have a pancreatic cyst will likely find the specific timing advice less relevant. Anyone with symptoms such as persistent upper abdominal pain, unexplained weight loss, or yellowing skin should speak with a doctor promptly, regardless of this report.
Recovery from the surgery described in this case took place over several weeks after the operation. The authors planned 6 months of follow-up to check whether the cyst returned or whether there were any problems. Results from one case cannot tell anyone exactly how long recovery or monitoring will take for others, since every person and every cyst is different.
Frequently Asked Questions
Can a pancreatic cyst be removed safely during pregnancy?
A 2026 case report suggests that surgery may be safest after delivery when cancer is not suspected. In the reported case, a 36-year-old woman had her 19.4 by 14.5 centimeter cyst removed 11 weeks after birth, with an uncomplicated recovery. Timing still depends on how far pregnancy has progressed and the cancer risk.
What is a mucinous cystic neoplasm of the pancreas?
It is a fluid-filled growth in the pancreas, the organ behind the stomach that helps digest food. Some are harmless, while others may become cancerous. In the 2026 case report, the cells looked highly abnormal, but no spread to other parts of the body was found.
Why might a pancreatic cyst grow faster during pregnancy?
These cysts appear to respond to sex hormones, which rise during pregnancy. This response may explain why some grow quickly. A 2026 case report described a cyst nearly 20 centimeters across at 36 weeks, which led doctors to monitor it closely and plan surgery carefully.
Does a pancreatic cyst found during pregnancy need immediate surgery?
Timing depends on how far along the pregnancy is and how likely the growth is to be cancer. When cancer is not suspected, planned surgery after delivery appears safe. The reported patient had a cesarean delivery at 37 weeks and 2 days, followed by surgery 11 weeks later.
Want to Apply This Research?
- If you are pregnant and have been advised to monitor a health condition, log your blood pressure readings at the same time each day, along with any headaches, vision changes, or upper abdominal pain. Recording these values can help you share clear information with your care team during appointments.
- Use the app to set reminders for prenatal appointments, scan follow-ups, and blood sugar checks if your doctor has recommended them. Log meals and portion sizes so you can share patterns with your dietitian or doctor, especially if you have gestational diabetes.
- Over the months after delivery and surgery, keep a simple weekly log of energy levels, appetite, digestion, and any new symptoms. Note any follow-up scans or visits in the app, and review the trend with your doctor at each appointment so that changes are caught early.
This article summarizes a single case report of one patient and is for general education only. It is not medical advice and should not replace guidance from your doctor or care team. If you are pregnant or have been diagnosed with a pancreatic cyst, discuss timing, monitoring, and treatment options with qualified healthcare professionals who know your full medical history.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.