PMC4064426_01
Photograph showing pancreaticoduodenectomy specimen with mass in the periampullary region indicated by the arrow.
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The gross specimen revealed a growth of 4 x 3 cm in the AmV (Fig. 1).
Microphotograph of H&E staining showing both (a) adenomatous, (b) squamous component.
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Histopathological report was of adenosquamous carcinoma of the AmV (Fig. 2).
Microphotograph of immunohistochemistry showing co-expression with p63 in areas of squamous of differentiation.
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Immunohistochemistry was planned which confirmed adenosquamous carcinoma (Figs. 3 and 4).
Microphotograph of immunohistochemistry showing co-expression of CK5&6 in areas of squamous differentiation.
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Immunohistochemistry was planned which confirmed adenosquamous carcinoma (Figs. 3 and 4).