Hey there! I'm sorry to hear about your bald patch after FUE surgery. I had a similar experience a few months ago. From my experience, sometimes shock loss can occur after the surgery, where existing hair falls out temporarily before new hair starts to grow in. It can be a bit alarming, but it's usually a natural part of the healing process.
In my case, the bald patch filled in completely within 3-6 months, and now my hair looks fuller and healthier than ever. It's important to be patient and give your scalp time to recover. If you're concerned, it's always best to follow up with your surgeon for their advice and guidance. Hang in there, and hopefully, you'll start seeing positive results soon!