title: Local anesthesia for fine-needle aspiration biopsy of palpable breast masses: the effectiveness of a jet injection system.
abstract: To determine the effectiveness of the Biojector 2000 needle-free lidocaine injection system in achieving satisfactory local anesthesia for fine-needle aspiration (FNA) of palpable breast lesions, we studied 29 female patients. Each patient served as her own control and had two FNA biopsies performed on the lesion. The first FNA biopsy was preceded by either no anesthesia, ethyl chloride cold spray, or traditional needle lidocaine injection. The second FNA was preceded by the Biojector 2000. Twenty-four patients (83%) reported that they preferred the Biojector 2000 over either no anesthesia, ethyl chloride spray, or needle and syringe lidocaine injection. The Biojector 2000 needle-free injection system is an effective and useful method of local anesthesia for FNA of palpable breast masses.
authors.affiliation: Department of Pathology, General Hospital Unit I, LAC + USC Medical Center, Los Angeles, CA 90033, USA. florenti@hsc.usc.edu
authors.forename: B D
authors.initials: BD
authors.lastname: Florentine
authors.forename: K
authors.initials: K
authors.lastname: Frankel
authors.forename: A
authors.initials: A
authors.lastname: Raza
authors.forename: C J
authors.initials: CJ
authors.lastname: Cobb
authors.forename: T
authors.initials: T
authors.lastname: Greaves
authors.forename: C
authors.initials: C
authors.lastname: Carriere
authors.forename: S E
authors.initials: SE
authors.lastname: Martin
mesh_terms: D000328:Adult; D000772:Anesthesia, Local; D001707:Biopsy, Needle; D001941:Breast Diseases / Q000473:pathology* / Q000601:surgery; D005018:Ethyl Chloride / Q000008:administration & dosage; D005260:Female; D006801:Humans; D007277:Injections, Jet / Q000592:standards; D008012:Lidocaine / Q000008:administration & dosage; D008875:Middle Aged; D010146:Pain / Q000523:psychology; D017060:Patient Satisfaction / Q000706:statistics & numerical data; D010465:Perception; D011183:Postoperative Complications / Q000503:physiopathology
chemical_list: D005018:Ethyl Chloride; D008012:Lidocaine