Objectives We present a case of a ruptured side‐branch intraductal papillary mucinous neoplasm (IPMN) who was found to have pseudomyxoma peritonei (PMP) with a deposit of acellular mucin in the pelvis. Case Presentation The patient is a 65‐year‐old female who initially presented to care with intermittent right upper quadrant pain and fullness. Preoperative imaging demonstrated a large cystic mass in the pancreatic tail, and, therefore, she was taken to the operating room for a distal pancreatectomy and splenectomy. Intraoperatively, she was found to have two distinct deposits of acellular mucin. Both deposits were nonadherent to the surrounding tissue and removed. Results The patient recovered postoperatively without incident. She will be surveilled postoperatively with serial computed tomography. Conclusion PMP arising from an IPMN of the pancreas is a rare and potentially devastating complication of the disease. Given the complexity of these cases, a multidisciplinary discussion for ongoing management is essential, and these cases are best managed at centers with significant experience in the management of PMP from other sources.
Brown et al. (Thu,) studied this question.