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What does D-PAS stand for?

D-PAS stands for diastase resistant-periodic acid-Schiff


This definition appears rarely

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Such 'dirty necrosis' was seen in all cases and was often accompanied by segmental necrosis of the glandular lining (Figure 3). The glands were lined by stratified tall columnar absorptive-like cells with modest amounts of apically oriented amphophilic cytoplasm. Their hyperchromatic nuclei were round to cigar shaped and oriented basally (Figure 4). Mitoses were frequent (average 14/10 high power field; range 8–132), including atypical forms. While extracellular diastase resistant periodic acid Schiff.
The growth patterns were intermingled. The tumor cells in the acinar component had round nuclei with prominent nucleoli and diastase-resistant, periodic acid-Schiff-positive, eosinophilic cytoplasm. Immunohistochemically, the tumor cells were positive for CAM5. 2, cytokeratin (CK) 7, CK 20, trypsin, lipase, alpha-1-antitrypsin, and alpha-1-antichymotrypsin.