• 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
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

Posts tagged with "Nephrology"

Normal Kidneys as seen with Ultrasound

Normal Kidneys as seen with Ultrasound

November 28th, 20140116 This is a longitudinal view of a normal kidney seen in ultrasound. It has a smooth outline with a hypoechoic cortex. The central hyperechoic structure is the renal hilum, containing mainly the renal pelvis, blood vessels, lymphatics and fat. A normal kidney measures 9-12cm in length in adults.
Hydronephrosis in Ultrasound

Hydronephrosis in Ultrasound

November 28th, 2014080 This is an ultrasound image of the kidney with hydronephrosis and a grossly dilated pelvi-calyceal system. The normal hyperechoic area in the center is replaced by ballooning of the renal pelvis and widened calyces . The cortex is still preserved here.
Hydronephrosis in CT

Hydronephrosis in CT

November 28th, 2014097 This is a plain CT abdomen of the same patient. This series of images shows bilateral hydronephrosis and hydroureter (arrow). Further caudal images revealed extension of the obstruction down to the vesico-ureteric junction. There were no radio-opaque stones identified. This patient had carcinoma of the prostate leading to obstruction of...
Staghorn Stone in CT

Staghorn Stone in CT

November 28th, 2014084 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...
Polycystic Kidney Disease

Polycystic Kidney Disease

November 28th, 2014095 This is a plain CT abdomen of a patient who has polycystic kidney disease. Her kidneys are enlarged with innumerable cysts. Her abdomen is too distended rendering her unsuitable for peritoneal dialysis. She is therefore receiving haemodialysis. Occasionally, these patients require nephrectomy for symptomatic relief, infection or bleeding...
Complicated Renal Cyst

Complicated Renal Cyst

November 28th, 2014084 This is a contrast CT scan of the abdomen. There is a complicated cyst measuring 2.0x2.4 cm with mixed cystic and solid components in the anterior aspect of the mid pole of the right kidney. Nephrectomy was performed. The lesion was confirmed to be a renal cell carcinoma. The other cystic lesion in the posterior right kidney is a benign...
Renal Osteodystrophy of the Spine

Renal Osteodystrophy of the Spine

November 28th, 20140107 This is a "Rugger-jersey spine", present in patients with severe secondary hyperparathyroidism. The alternating sclerotic vertebral end-plates and the radiolucent centers of the vertebral body produce an appearance similar to an English rugby sweater. This radiograph also shows dense calcifications along the aorta. Extra-skeletal...
Renal Osteodystrophy of the Hands

Renal Osteodystrophy of the Hands

November 28th, 2014093 This is an X-ray of the hands from a patient with severe hyperparathyroidism. There is sub-periosteal resorption (white arrow) of the phalanx and severe tuft resorption.
Calciphylaxis

Calciphylaxis

November 28th, 20140144 This is a form of ischemic vasculopathy confined to patients with renal failure. It is caused by abnormal deposition of calcium in blood vessels and soft tissue, subsequently leading to ischemic necrosis of the dermis and subcutaneous fat. Clinically, they present with purpuric plaques and nodules which progress to necrotic ulcers....
Arteriovenous Fistula

Arteriovenous Fistula

November 28th, 20140188 A radiocephalic arteriovenous fistula in the forearm for haemodialysis.
Arteriovenous Graft

Arteriovenous Graft

November 28th, 20140157 A forearm loop arteriovenous graft for haemodialysis. Arteriovenous fistulas created with native vessels is the first-choice of access for haemodialysis. For patients who do not have sizeable veins for arteriovenous fistula creation, arteriovenous grafts using prosthetic materials can be an alternative choice. Arteriovenous grafts are...
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