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The HKU E-learning Platform in Clinical Medicine
The HKU E-learning Platform in Clinical Medicine
  • Physical Examination Skills
    • General Examination
    • Examination of the Cardiovascular System
    • Examination of the Gastrointestinal System
    • Examination of the Neurological System
    • Examination of the Respiratory System
    • Examination of the Musculoskeletal System
    • Demonstration on putting on a surgical/ N95 mask properly
  • eLearning Materials of Individual Divisions
    • Cardiology
    • Clinical Pharmacology
    • Dermatology
    • Endocrinology
    • Gastroenterology & Hepatology
    • Geriatrics
      • Common Physical Signs in the Geriatric Setting
      • Commonly used Assessments in the Geriatric Setting
    • Haematology
    • Infectious Diseases
    • Nephrology
      • General Nephrology
      • Imaging
      • Peritoneal Dialysis
      • Hemodialysis
    • Neurology
    • Rehabilitation Medicine
      • Modified Ashworth Scale
      • Complex Regional Pain Syndrome
      • Case 1
      • Case 2
    • Respiratory Medicine
    • Rheumatology
      • Common Rheumatological Cases
      • Clinical Signs and Radiographs of Patients with Rheumatological Disorders
  • Credits
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Nephrology
Imaging

Staghorn Stone in CT

November 28th, 2014

Staghorn Stone in CT

The CT image on the left shows a staghorn stone in the left kidney. Staghorn stones are large calculus found in the calyceal system extending into the calyces, which gives them an appearance similar to that of the horns of a stag (deer). There is associated hydronephrosis and hydroureter. On the right side, the hydroureter is caused by another small left ureteric stone seen in the images caudally. A non-contrast CT scan is the best image modality to identify radiodense and non-opaque stones.

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