Professional background

Conrad von Stempel is a consultant interventional vascular and uroradiologist. He graduated from UCL medical school with an additional BSc in anatomy and developmental biology.

Conrad completed his core radiology training at UCH, and after gaining the FRCR, a 2-year fellowship in interventional radiology at the Royal Free Hospital.

He specialises in vascular and urological interventional radiology procedures including angioplasty, complex venous access, and embolisation therapy including prostate artery embolisation (PAE).

Conrad also works as an interventional radiologist at the Royal Free hospital. He enjoys teaching and lectures in imaging, anatomy and embryology at UCH and Keble college, Oxford University.

Research interests

  • Locoregional therapies: embolisation and ablation in liver cancers including HCC, mCRC and Neuroendocrine cancer
  • Vascular imaging in peripheral vascular disease and priapism
  • Imaging in urological disease including prostate and renal cancers

Languages spoken



MRI in the Management of Prostate Cancer.
von Stempel C, Dickinson L, Pendsé D.
Semin Ultrasound CT MR. 2020 Aug;41(4):366-372. doi: 10.1053/j.sult.2020.04.003. Epub 2020 May 7.

Percutaneous Renal Ablation.
Gupta A, Musaddaq B, von Stempel C, Ilyas S.
Semin Ultrasound CT MR. 2020 Aug;41(4):351-356. doi: 10.1053/j.sult.2020.05.004. Epub 2020 May 17.

Renal Cell Carcinoma: The Evolving Role of Imaging in the 21st Century.
Musaddaq B, Musaddaq T, Gupta A, Ilyas S, von Stempel C.
Semin Ultrasound CT MR. 2020 Aug;41(4):344-350. doi: 10.1053/j.sult.2020.05.002. Epub 2020 May 15.

Clinicopathological correlations of mesenteric fibrosis and evaluation of a novel biomarker for fibrosis detection in small bowel neuroendocrine neoplasms.
Laskaratos FM, Mandair D, Hall A, Alexander S, von Stempel C, Bretherton J, Luong T, Watkins J, Ogunbiyi O, Rombouts K, Caplin M, Toumpanakis C.
Endocrine. 2020 Mar;67(3):718-726. doi: 10.1007/s12020-019-02107-4. Epub 2019 Oct 9.

Predictors of antiproliferative effect of lanreotide autogel in advanced gastroenteropancreatic neuroendocrine neoplasms.
Laskaratos FM, Armeni E, Shah H, Megapanou M, Papantoniou D, Hayes AR, Navalkissoor S, Gnanasegaran G, von Stempel C, Phillips E, Furnace M, Kamieniarz L, Kousteni M, Luong TV, Watkins J, Mandair D, Caplin M, Toumpanakis C.
Endocrine. 2020 Jan;67(1):233-242. doi: 10.1007/s12020-019-02086-6. Epub 2019 Sep 25.

Transarterial Chemoembolisation of Colorectal Liver Metastases with Irinotecan-Loaded Beads: A Bi-institutional Analysis of 125 Treatments in 53 Patients.
Ngo A, von Stempel C, Corbo B, Bandula S, Shiu KK, Raja J, Hague J, Evans J, Kibrya N.
Cardiovasc Intervent Radiol. 2019 Jul;42(7):979-990. doi: 10.1007/s00270-019-02219-4. Epub 2019 May 1.

Excimer laser assisted complex inferior vena cava filter retrieval: a single institution's experience over 6 years.
von Stempel C, Hague J, Brookes J.
Clin Radiol. 2019 Jan;74(1):79.e15-79.e20. doi: 10.1016/j.crad.2018.09.012. Epub 2018 Oct 23.

Mean velocity and peak systolic velocity can help determine ischaemic and non-ischaemic priapism.
von Stempel C, Zacharakis E, Allen C, Ramachandran N, Walkden M, Minhas S, Muneer A, Ralph D, Freeman A, Kirkham A.
Clin Radiol. 2017 Jul;72(7):611.e9-611.e16. doi: 10.1016/j.crad.2017.02.021. Epub 2017 Mar 25.

Imaging of palatal lumps.
von Stempel C, Morley S, Beale T, Otero S.
Clin Radiol. 2017 Feb;72(2):97-107. doi: 10.1016/j.crad.2016.10.007.

Viabahn stent graft in the management of a grade 3 coronary perforation.
von Stempel C, Fayed H, Goode JA, Kalra S, Patel N.
CVIR Endovasc. 2019 Jan 17;2(1):6. doi: 10.1186/s42155-019-0050-8.

Abnormal deep dorsal vein resulting in veno-occlusive erectile dysfunction.
Hallerstrom M, von Stempel CB, Raheem A, Walkden M.
BMJ Case Rep. 2018 Jan 18;2018:bcr2017223496. doi: 10.1136/bcr-2017-223496.
Microbubble-enhanced ultrasound to demonstrate urethral transection in a case of penile fracture.
Czarnecki O, von Stempel CB, Sangster P, Walkden M.
BMJ Case Rep. 2017 Sep 23;2017:bcr2017220073. doi: 10.1136/bcr-2017-220073.

Utility of MR enterography and ultrasound for the investigation of small bowel Crohn's disease.
Bhatnagar G, Von Stempel C, Halligan S, Taylor SA.
J Magn Reson Imaging. 2017 Jun;45(6):1573-1588. doi: 10.1002/jmri.25569. Epub 2016 Dec 9.

Interventional oncology.
Johnston EW, von Stempel C, Singh S, Bandula S, Illing R.
Br J Hosp Med (Lond). 2016 Aug 2;77(8):C114-7. doi: 10.12968/hmed.2016.77.8.C114.

Cardio-respiratory failure secondary to ectopic Cushing's syndrome as the index presentation of small-cell lung cancer.
von Stempel C, Perks C, Corcoran J, Grayez J.
BMJ Case Rep. 2013 Aug 14;2013:bcr2013009974. doi: 10.1136/bcr-2013-009974.

When less is more: a case of phenytoin toxicity.
Robertson K, von Stempel CB, Arnold I.
BMJ Case Rep. 2013 Mar 27;2013:bcr2012008023. doi: 10.1136/bcr-2012-008023.

Book Chapters:
Chapter 13. Renal cancer in 4th Edition Husband & Reznek's Imaging in Oncology Published October 18, 2020 by CRC Press Conrad von Stempel, Lee Alexander Grant, Miles Walkden, and Navin Ramachandran

Chapter 11. Duplex ultrasonography and its role in the assessment of male sexual dysfunction in Male Sexual Dysfunction: A Clinical Guide published 2016. Conrad von Stempel and Miles Walkden