Intra-articular Fluid Distension for Initial Portal Placement During Hip Arthroscopy: The “Femoral Head Drop” Technique Kyle Alpaugh, M.A., Sangmin R. Shin, M.D., Scott D. Martin, M.D. Arthroscopy Techniques Volume 4, Issue 1, Pages e23-e27 (February 2015) DOI: 10.1016/j.eats.2014.10.001 Copyright © 2015 Arthroscopy Association of North America Terms and Conditions
Fig 1 Flowchart for performing intra-articular fluid distension. (AP, anteroposterior; ASIS, anterior superior iliac spine.) Arthroscopy Techniques 2015 4, e23-e27DOI: (10.1016/j.eats.2014.10.001) Copyright © 2015 Arthroscopy Association of North America Terms and Conditions
Fig 2 (A) Radiolucent vacuum sign (arrow) after minimal traction and before distension. (B) After venting. (C) After distension. Arthroscopy Techniques 2015 4, e23-e27DOI: (10.1016/j.eats.2014.10.001) Copyright © 2015 Arthroscopy Association of North America Terms and Conditions