Liver cells are treated with a combination of two reagents called Periodic acid and Schiff, or PAS.

肝细胞可用碘酸-雪夫化学染色试剂处理，俗称PAS染色。

So we say that they'd be Periodic acid and schiff positive, or PAS positive, as well as diastase resistant.

因此诊断依据为过碘酸-希夫染色阳性/PAS染色阳性，并可抵抗淀粉酶消化。