This module simply places an input field above the category tree in admin category manager. It allows you to input the id of a category, and jump directly to it.
Know issue:
The tree is not updated. (can anyone fix this?)
Ref: http://magento.stackexchange.com/questions/11044/find-category-by-id-in-magento-backend
Only tested on Magento ver. 1.7.0.2