 Following a discussion of the procedure with the patient and/or family, including its risks, benefits, alternatives and steps to prevent infection, informed written consent was obtained and documented in the patient's chart. The time-out form was completed to confirm patient identity and side/type of procedure. All operators present for the case performed standard preprocedural prep including hand washing, sterile gloves, mask and cap. The patient was prepped and draped in the usual aseptic fashion. Local anesthesia over the target area was obtained by 1% lidocaine. Localizing ultrasound examination demonstrates a heterogeneously hypoechoic oval encapsulated mass along the inferolateral aspect of the right knee, corresponding to the findings seen on recent MRI examination. There is internal and peripheral vascularity on Doppler interrogation. A 16-gauge Achieve core biopsy needle was advanced into the lesion using ultrasound guidance. Four 16-gauge core biopsy specimens were obtained and placed in formalin.The core biopsy specimens were hand carried to the Surgical Pathology labThe patient tolerated the procedure well without immediate complication. Routine post procedure instructions were communicated to the patient.ESTIMATED BLOOD LOSS: Less than 5cc. An adhesive bandage was placed on the patient’s skin.
Ultrasound-guided biopsy of right knee soft tissue mass.