PMC3096302_01
Endoscopic ultrasound of the hypoechoic lesion in the pancreatic head.
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fig1
Endoscopy Unit for an endoscopic ultrasound (EUS). EUS revealed a small hypoechoic lesion in the head of the pancreas, 9.3 mm x 8 mm, with regular borders (Figure 1).
Hematoxylin-eosin staining of the specimen obtained with fine-needle aspiration. Magnification = 20x.
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fig2
The cytopathologist confirmed a well-differentiated neuroendocrine tumour in the sample obtained through FNAB (Figures 2, 3, and 4).
Chromogranin staining of the specimen obtained with fine-needle aspiration. Magnification = 20x.
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fig3
The cytopathologist confirmed a well-differentiated neuroendocrine tumour in the sample obtained through FNAB (Figures 2, 3, and 4).
Progesterone staining of the surgical specimen.
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fig4
The cytopathologist confirmed a well-differentiated neuroendocrine tumour in the sample obtained through FNAB (Figures 2, 3, and 4).