手指甲唔知點解好似針”吉”，令手甲一點點咁凹陷?

Sorry this is in Engflish.

'Pit nails' usually is because Psoriasis. Psoriasis is a skin disease. People sometime show no signs on anywhere else but on the nail. Hope this help.

2009-10-12 14:44:01 補充：
I can't think of anything else would cause the pitting for the nails. I am a nail tech not doctor so I can't say 100% it is Psoriasis, but have seen a few cases like this.
Up to 90% of all people got Psoriasis have sometime in their lives will experience a mild to serious nail disorder.

呢啲可能係免疫系統或神經系統出毛病!再搵過另一啲醫生睇!
快!