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Diagnostic ultrasound ( PDFDrive )

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246 PART II Abdominal and Pelvic Sonography

A

B

C

D

FIG. 7.79 Side Branch Intraductal Papillary Mucinous Neoplasm (IPMN). (A) Transverse image of pancreatic head and neck shows two

cystic lesions (arrows) corresponding to side branch IPMN. (B) Transverse T2-weighted single-shot fast spin echo (SSFSE) magnetic resonance

(MR) image of side branch IPMN lesions (arrows) shown in (A). (C) In another patient, transverse sonographic image depicts a smaller side branch

IPMN (arrow) in pancreatic body. (D) Corresponding axial T2-weighted SSFSE MR image shows same IPMN (arrow). Ao, Aorta; SMV, superior

mesenteric vein; SV, splenic vein.

A

B

FIG. 7.80 Intraductal Papillary Mucinous Neoplasm (IPMN). IPMN with main and branch duct involvement. (A) Transverse sonogram shows

lobulated dilation of the branch ducts and diffuse dilation of the main pancreatic duct. (B) Transverse sonogram of pancreatic head and proximal

body shows dilation of branch ducts in the enlarged head.

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