Can chin and Buffalo hump lipo procedures be done together?

It would be possible to perform liposuction under the chin and of a buffalo hump during the same procedure.  I would say the immediate recovery time for liposuction under the chin is about a week and about 1-2 weeks for the buffalo hump.  

Chin liposuction is an excellent option for contouring the neck and submental skin and can be performed in selected younger patients in the office under local anesthesia with minimal downtime. Ideally, patient's with excellent skin elasticity and minimal bunching/jowling of skin do best with submental liposuction. The posterior neck and upper back can also be suctioned at that time.
Best of luck to you!

 More information is needed, such as your age and a full set of pictures. If there is significant inelasticity of  the skin in the neck, liposuction will be counterproductive. As long as the skintone the neck is acceptable,  it is possible to  remove the fatty deposits located only above the platysma muscle. A  surgical neck lift is required to remove fatty deposits underneath the platysma muscle which also includes a platysma plasty to significantly improve the jawline. The buffalo hump can also be liposuctioned

these are simple straightforward procedures that can easily be done at the same time.  Well in reality one after the other but during the same treatment.  Their recovery is easy. You'll feel a bit sore for a few days but it shouldn't be much more than that.  Fairly easy, somethings that ibuprofen can easily handle.  The outcomes from liposuction vary more than any surgical procedure I know of.   The two posts before yours this morning are both from people with bad liposuction outcomes. One is grotesquely deformed and the other is quite unhappy with her results.  Most plastic surgeons should be able to treat this competently without causing major problems for you. Still, I would seek out the help of a board-certified plastic surgeon who has extensive experience with liposuction and can show before and after pictures to demonstrate this.  Best, Mats Hagstrom MD