title: Coaxial technique for CT-guided biopsy of deep retroperitoneal lymph nodes.
abstract: Computed tomographic (CT)-guided fine needle biopsy of retroperitoneal lymph nodes in very obese patients may be technically difficult. A simplified coaxial method of needle insertion similar to the method used for coaxial lung biopsy techniques is described.
authors.affiliation: Department of Radiology, University of California, San Francisco.
authors.forename: R B
authors.initials: RB
authors.lastname: Jeffrey
mesh_terms: D001707:Biopsy, Needle / Q000379:methods*; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D009765:Obesity / Q000150:complications; D012187:Retroperitoneal Space; D014057:Tomography, X-Ray Computed