• Sclerotherapy

See also: Varicose Veins

• Sedimentation Rate

• Sentinel Lymph Node Biopsy

• Septoplasty - See Nose, Cosmetic Surgery

• Shave Biopsy

• Sigmoidoscopy

See also: Colorectal Cancer

See also: Diverticulosis and Diverticulitis

See also: Crohn's Disease

• Skin Cryosurgery

See also: Warts

• Skin Graft

• Skin Tag Removal

• Sleep Study

• Small Bowel Resection

• Spinal Fusion

• Spinal Tap - See Lumbar Puncture (Spinal tap)

• Splenectomy

• Stents - See Angioplasty and Vascular Stenting

• Stool Tests

• Strep Throat Test

See also: Strep Throat

• Suture Placement