黄疸是胰头癌的主要体征。黄染时多是向胰外扩散的进展癌,此时发生在胰内直径2.0cm 以内的小胰癌(T_1胰癌),多以黄疸而被发现。多数胰头癌以主诉黄疸求医;黄疸发展迅速。最近由于影像诊断,特别是超声诊断的普及和提高,这种小胰癌在初诊时就能被发现。作者就与黄疸有关的超声波所见为中心,以经治的切除标本在2.0cm 以下的12例小胰癌加以论述: Jaundice is the main sign of pancreatic cancer. In the case of yellow dyeing, most of them are advanced cancers that spread out of the pancreas. In this case, small pancreatic cancer (T_1 pancreatic cancer) within 2.0 cm in diameter of the pancreas is mostly found in jaundice. Most cancers of the pancreas have complained of Huang Xi seeking medical treatment; Huangqi has developed rapidly. Recently, due to the popularity and advancement of imaging diagnosis, especially ultrasound diagnosis, this type of small pancreatic cancer can be discovered at the first visit. The authors focused on the observation of ultrasound related to Huang Huan, and discussed 12 cases of small pancreatic cancer with a treated resection specimen below 2.0 cm: