blew fuse went to replace dropped fuse inside

I tried replacing the light bulb when the light was still on..thereby blowing out the fuse.

I tried replacing the fuse..but when i opened the front panel. A grid was still there and i tried to remove the fuse with small needle nose pliers but i dropped the fuse inside the panel. ...i don't want to dismantle the complete front..so do you have any suggestions

a. can i leave fuse inside.

b. if i google the part will i find the right part or do i need to buy from dealer

any other recommendations apprecaited