Mr Andrew Williams

Institute of Podiatrists

Mr Williams is a Consultant in Podiatric Medicine and Musculoskeletal Scientist at The Royal Liverpool and Broadgreen NHS Trust. He has held this substantive appointment since 2002 within Orthopaedics and Trauma. He was previously Head of Podiatry and Podiatric Surgery at the Countess of Chester Hospital & Research Fellow in Orthopaedics and Accident Surgery at Liverpool University. He also completed a fellowship in diabetic limb salvage at University of San Antonio, Texas in 1998.

He is currently Chair of the Consultants committee of the Institute of Podiatrists and chair of their Procedures and Medicines panel. He has a particular interest in minimally invasive procedures including Percutaneous Cryo-ablation and recently lectured at The International Society of Cryosurgery Conference in Kanazawa, Japan where he is a board member. He is attending the next conference in Kaunas Medical School, Lithuania to present the latest results to the 19th world congress of cryosurgeons.

He has practice privileges at Spire Cheshire Hospital and The Grosvenor Nuffield Hospital Chester.

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Percutaneous Cryogenic Neuro-ablation of Morton’s Neuroma under image guidance

Cryoablation is a technique used to destroy or damage tissue. It has been utilised in the medical field for many years and involves delivering extreme cold to the tip of a fine needle to destroy targeted tissues. It has been used for many diverse conditions including tumours, neuralgia and arrhythmias.

The seednet system is a mobile console with a user interface to control the circulation of high pressure gases (argon & Helium) through closed tip cryoablation needles connected to the system. It produces an ice ball that destroys targeted tissues. The procedure is undertaken using ultrasound guidance to monitor the ablation area. The procedure is minimally invasive and can be undertaken using a local anaesthetic without the need for a hospital bed stay.

The procedure involves infiltration of a local anaesthetic into the foot and inserting a 17 Gauge needle under ultrasound guidance. It is an ambulatory day case procedure.