Erik Havranek

Consultant Urologist

Northwick Park Hospital, UK.

Latest Contribution

Image shows PA chest x-ray demonstrating absence of lung markings in the left hemithorax with a collapsed left lung around the left hilum and mild mediastinal shift to the right.

Urolithiasis 4 - Staghorn calculus

3 September 2026 | | URO - Endourology & Stones

Case scenario A 64-year-old woman with recurrent urinary tract infections and left flank pain undergoes investigations as an outpatient. Figure 1a. Figure 1b. 1. Describe Figures 1a and 1b. 2. Her co-morbidities are type 2 diabetes (which is well controlled)...

Photos showing flexible and navigable suction (FANS) access sheath, and close-up of the y-connector.

Urolithiasis 3 – renal stones and ureteroscopy

7 May 2026 | | URO - Endourology & Stones, URO - Uroradiology

- Click for Part 1 and Part 2 on this topic - Case scenario A 36-year-old man with a known renal stone attends your stone clinic following a surveillance CT KUB with worsening intermittent right flank pain. Figures 1 and...

Photo of man feeling sick.

Urolithiasis 2 – extracorporeal shockwave lithotripsy

4 March 2026 | | URO - Endourology & Stones, URO - Uroradiology

- Click for Part 1 and Part 3 on this topic - Case scenario A 37-year-old male presents to A&E with 12 hours of intermittent, severe, left-sided loin to groin pain and multiple episodes of vomiting. Urine dipstick shows 2+...

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