My finger

Something wrong with my finger. It hurts after touch very dirty dust.
eg. opened old PC etc.
Here are the two picture of my finger:



I have post my question to http://www.doctors.com.tw/
Hope they can answer the question for me.

Here is the question in chinese:
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日期: 2004/12/28
發問者: charlih
問題主旨: 灰指甲?
內容:
我的手指會破皮,指甲會變型.它有點像香港腳.每當我在修電腦,那髒的灰,會讓此中指如此.
見圖: http://charlih.blogspot.com/
問, 如何解決? 中醫/西醫?謝謝