PMC3309120_01
PMC3309120_02
Abdominal CT scan of patient 1. Large exophytic mass in communication with massively dilated distal main pancreatic duct. M=mass, arrow=communication to dilated main pancreatic duct
nihms354473f1.jpg
PMC3309120_02_nihms354473f1.jpg
F1
Computed tomography (Fig. 1) and magnetic resonance imaging revealed a large 8 cmx10 cmx20 cm multiloculated and septated cystic mass arising from the tail of the pancreas, extending anteriorly and inferiorly along the transverse mesocolon.
PMC3309120_03
Abdominal CT scan of patient 2. Exophytic mass from anterior aspect of pancreatic head associated with main pancreatic duct dilation. M=mass, arrow=dilated main pancreatic duct
nihms354473f2.jpg
PMC3309120_03_nihms354473f2.jpg
F2
His initial CT revealed a soft tissue abnormality within the anterior aspect of the head of the pancreas with an associated dilation of the main pancreatic duct (Fig. 2).
PMC3309120_04
PMC3309120_05
IPMN with abdominal mucin. a IPMN in the pancreas with severe cytologic atypia (carcinoma in situ). b Colloid carcinoma present in same pancreas. c Omental lesion consisting of mucin with glandular epithelium. d Higher magnification of neoplastic glandular epithelium floating in pools of mucin. Image a, b, c: x50, image d: x200 magnification
nihms354473f3.jpg
PMC3309120_05_nihms354473f3.jpg
F3
IPMN with extravasated mucin are shown in Fig. 3. In this figure, pseudomyxoma peritonei seen in association with IPMN is identical to pseudomyxoma peritonei arising in association with gastrointestinal malignancies, most commonly appendiceal mucinous tumors (Fig. 4).
PMC3309120_06