Extravasation a number of types of endoscopic surgery, such as minimally invasive orthopedic surgery, i.e. arthroscopy, TURP (trans-urethral resection of the prostate) and TCRE (trans-cervical resection of the endometrium). In arthroscopy, fluid under pressure is used to inflate and distend a joint and make a working surgical space. Arthroscopy is typically performed on shoulder and knee joints; however, hip arthroscopy is becoming more popular. Arthroscopy is done by making surgical portals or puncture wounds into the joint. A surgical instrument called an arthroscope is used to introduce irrigation fluid under pressure to distend the joint. The arthroscope includes a small (typically
Surgery cornea) or to a radiosurgical procedure (e.g. irradiation of a tumor). Surgical procedures are commonly categorized by urgency, type of procedure, body system involved, degree of invasiveness, and special instrumentation. Inpatient surgery is performed in a hospital, and the patient stays at least one night in the hospital after the surgery. Outpatient surgery occurs in a hospital outpatient department or freestanding ambulatory surgery center, and the patient is discharged the same working day. Office surgery occurs in a physician's office, and the patient is discharged the same working day. At a hospital, modern surgery is often performed in an operating