PMC8035680_01
A) PET-CT scan showing hypermetabolic pancreatic tail-mass; B) resected surgical specimen (distal pancreatectomy+splenectomy)
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F1
EUS-FNA results were inconclusive and positron emission tomography (PET-CT) confirmed a hypermetabolic mass in the tail of the pancreas, compatible with active malignancy and no distant metastatic disease (Figure 1). Distal pancreatectomy and splenectomy were performed (Figure 1).
A) keratinized squamous cell carcinoma metastasis in the peripancreatic adipose tissue. HEX40; B) keratinized squamous cell carcinoma metastasis in the peripancreatic fat tissue. HEX200; C) membranous expression of CK5/6 (X200); D) strong and diffuse nuclear expression of p40 (X200)
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F2
Histopathological examination revealed two adjacent lesions with an immunohistochemical profile similar to that of the resected primary lung tumor (Figure 2).