This site has a very interesting and personal fan-conducted interview with Junji Ito:
http://samehat.blogspot.com/2009/01/fantastic-interview-with-junji-ito.html
I really enjoyed this interview because it is so personal and you feel like you are standing in his home with his studio with him.
Quick summary quoted from site:
“Highlights from this fantastic and casual look into Junji Ito’s life & work include:
* Ito-san showing off his original script outlines and rough panel layouts, with descriptions of his process when creating manga.
* A long discussion of the influence of urban legends on Ito’s manga, how he got the idea and visual inspiration for Tomie, and how he became a manga artist.
* A tour of Junji Ito’s studio and art desk, process using mirrors and photo-references in his work, and much more!”