This and former of a cancer of scale form cell show border to be clear about, the erythema appearance of face of skin of summary tower above papule pole close, only latter scale bits and scab skin are more apparent, ill change provides materiality.

• 这与原位鳞形细胞癌的呈边界清楚的、略高出皮面的红斑样丘疹极相近，唯后者的鳞屑及痂皮更明显，病变更具实质性。