难区分的

EA which is rare, malignant and high in incidence of metastasis belongs to a relative histopathologically well-differentiated sub-group of eccrine carcinoma.1 It usually presents as a nodular lesion on the head and neck region and is difficult to be differentiated from a visceral neoplasm with cutaneous metastasis.

小汗腺癌是罕见的恶性肿瘤，并有很大可能出现转移，属于组织学方面相对分化良好的汗腺癌的亚细分组。它通常表现为在头颈部区域的的小结节，在显像研究时很难与内脏恶性肿瘤的皮肤转移癌相区分。

It is sometimes difficult to separate mundane images from good images for the reason that we are not yet accustomed to seeing these processes used and they are compelling when well-executed.

有时候很难从好的照片中把低俗的部分区分出来，因为我们还没有习惯于观察影像，这种老式的冲洗方式和完美的制作工艺吸引了我们的兴趣。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。