Hawthorne is the top referral pet surgery center in Madison and St. Clair counties. Our veterinarians have extensive experience in complex surgical procedures using the latest in cutting-edge technology. In addition to routine surgeries, including spays and neuters, some of our advanced procedures include: Laparotomy (abdominal surgery) Cystotomy (bladder surgery) Tumor removals Cranial cruciate repair (CCL) for ruptured ligaments Tibial plateau leveling osteotomy (TPLO) knee surgery Gastropexy for torsion and bloat Perineal urethrostomy to treat urinary blockage Advanced orthopedics