European Radiology: The value of MRI in differentiating benign and malignant pancreatic mucinous cystic tumors

Pancreatic mucinous cystic tumors (MCNs) are a group of cystic lesions that mainly occur in women
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The reported rates of high-grade dysplasia and malignant transformation to cancer range from 0 to 34%

Pancreatic mucinous cystic tumors (MCNs) are a group of cystic lesions that mainly occur in women

In addition to diagnostic value, imaging plays an important role in assisting the clinical determination of treatment strategies

Recently, published in the E uropean a journal Radiology study to assess the value of MRI in differentiating benign and malignant mucinous cystic pancreatic tumors , provides a valuable reference for the development of treatment programs preoperative assessment clinic .
 

To surgical removal of MCN patients in a retrospective assessment

63 patients (62 women [98%]) had 63 MCN (6 m-MCN, 2 HGD)

 

FIG 59 year old , female , malignant pancreatic mucinous cystic neoplasms (MCN-m) .

a shaft position T2-weighted image display of a large heterogeneous cyst wall to have a vertical partition (arrow in b), and a wall thickness (in the arrow b) .
On the portal phase axial T1-weighted MRI (c), parietal nodules (arrows in c) and compartments (black arrows in d) show enhancement .
The tumor wall thickened up to 9 mm .
The results of the puncture endoscopic ultrasound-guided confirmed the MRI-based m-MCN suspected, the patient received adjuvant chemotherapy new .
The lesion was removed and was classified as pT2N0R0 .

FIG 59 year old , female , malignant pancreatic mucinous cystic neoplasms (MCN-m) .
a shaft position T2-weighted image display of a large heterogeneous cyst wall to have a vertical partition (arrow in b), and a wall thickness (in the arrow b) .
On the portal phase axial T1-weighted MRI (c), parietal nodules (arrows in c) and compartments (black arrows in d) show enhancement .
The tumor wall thickened up to 9 mm .
The results of the puncture endoscopic ultrasound-guided confirmed the MRI-based m-MCN suspected, the patient received adjuvant chemotherapy new .
The lesion was removed and was classified as pT2N0R0 .
Pathological analysis showed that there were many large nipples and many malignant components , the largest part was up to 5 cm, with focal invasion of the wall, but no invasion of the pancreatic parenchyma .
FIG 59 year old , female , malignant pancreatic mucinous cystic neoplasms (MCN-m) .
a shaft position T2-weighted image display of a large heterogeneous cysts, to a vertical wall of the partition (the arrow b), and a wall thickness 

This study shows that most MCNs appear as round or oval cystic lesions located on the left side of the pancreas, usually located behind , exogenously, and next to the left adrenal gland

Original source :

Marie-Pierre Vullierme , Jules Gregory , Vinciane Rebours , et al .

MRI is useful to suggest and exclude malignancy in mucinous cystic neoplasms of the pancreas.
DOI: 10.
1007/s00330-021-08091-6

Vullierme Pierre-marie Jules Gregory Vinciane Rebours , et Al 10.
1007 / s00330-021-08091-6 in this message