Type:
Educational Exhibit
Keywords:
Education and training, Education, MR-Cholangiography, MR, CT, Pancreas, Gastrointestinal tract, Abdomen
Authors:
F. M. A. Coelho1, P. S. B. P. Panizza2, J. M. M. M. Santos2, I. Santiago3, F. Velloni4, R. Blasbalg2; 1São Paulo, São Paulo/BR, 2São Paulo, SP/BR, 3sao paulo/BR, 4SÃO PAULO/BR
DOI:
10.26044/ecr2019/C-2873
Background
Pancreas imaging assessment usually demonstrates diseases with typical features.
Non-adenocarcinoma disorders show a wide spectrum of imaging features,
ranging from a tumor-like anatomic variant to malignant disease.
In this scenery,
imaging plays a crucial role in the diagnosis and management of pancreatic lesions.
We selected illustrative cases that were collected and classified didactically according to patterns type.
For each case,
we provide clinical and radiology presentations,
differential diagnosis,
and teaching points.
We propose a classification of these cases as follows:
Cystic neoplasm
- Serous cystic neoplasm
- Mucinous cystic neoplasm
- Intraductal papillary mucinous neoplasm (IPMN)
Solid neoplasm
- Pseudopapillary solid neoplasm (Frantz tumor)
- Neuroendocrine tumor
- Neural crest tumors
- Metastatic lesions
- Lymphoproliferative tumors
Inflammation-related lesions
- Pseudocyst
- Walled-off necrosis
- Groove pancreatitis
- Pseudotumor of chronic pancreatitis
Systemic diseases
- IgG4-related disease
- Erdeheim-Chester
Mimicking lesions
- Annular pancreas
- Bifid tail of the pancreas
- Ectopic pancreas
- Intrapancreatic accessory spleen
- Fatty infiltration-replacement
- Radiation-related findings
- Postoperative-related findings