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2015 ; 94
(23
): e913
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gab.com Text
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English Wikipedia
Metastases to the Pancreas: Computed Tomography Imaging Spectrum and Clinical
Features: A Retrospective Study of 18 Patients With 36 Metastases
#MMPMID26061312
Shi HY
; Zhao XS
; Miao F
Medicine (Baltimore)
2015[Jun]; 94
(23
): e913
PMID26061312
show ga
The aim of this study is to identify the key computed tomography (CT) imaging
findings and clinical characteristics of pancreatic metastases for its
differential diagnosis. CT images and clinical features of 18 patients with 36
histopathologically proven pancreatic metastases were retrospectively reviewed.
The primary malignancy included non-small cell lung cancer (NSCLC) (n?=?7),
gastrointestinal carcinoma (n?=?5), renal cell carcinoma (RCC) (n?=?3),
osteosarcoma (n?=?1), cardiac sarcomas (n?=?1), and neuroendocrine ethmoid sinus
carcinoma (n?=?1). Pancreatic metastases were metachronous in 12 patients
(ranging from 4 to 72 months). Tumor markers were elevated for 8 patients, of
which 7 patients had NSCLC and gastrointestinal carcinoma, and 1 patient had
osteosarcoma. Metastases from NSCLC and gastrointestinal carcinoma frequently
presented as small well-circumscribed lesions, with homogeneous or rim
enhancement, and or local pancreatic infiltration instead of focal mass,
mimicking local pancreatitis. Neuroendocrine ethmoid sinus carcinoma affecting
the pancreas also exhibited local pancreatic infiltration. Metastases from RCC
and cardiac sarcomas had typical characteristics of hypervascular lesions.
Osteosarcoma metastasizing to pancreas had special manifestation, that is, cystic
lesion with thick wall and calcification. Although pancreatic metastases have a
broad spectrum of CT appearances, lesions from some types of primary tumors
exhibited characteristic imaging features, which, in combination with oncological
history, will contribute to correct diagnosis.