3477 results
UROLITHIASIS 

80% of stones are composed of calcium oxalate or phosphate. Others include uric acid (9%),
UROLITHIASIS 80% of stones ... & cystine (1%) stones ... Struvite stones, ... Uric acid stone ... These mutations cause
Pancreatic Duct Stones on Ultrasound
Dilated pancreatic duct with calculi in pancreatic duct. Helpful tip- If pancreatic
Pancreatic Duct Stones ... Ductal obstruction caused ... is a cause of pain ... Stone resolution ... Pancreatic #Duct #Stones
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
calcium-containing stones ... X-rays useful tor stone ... ureteric and renal stones ... identify non-calculus causes ... for non-calculus causes
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Causes of Nephrolithiasis ... Uric Acid Stones ... - Struvite Stones ... - 10% of stones ... Diagnosis #Algorithm #Causes
Causes of Biliary Dilatation - Differential Diagnosis
 • Physiological: ↑ Age, Cholecystectomy, Opioid dependence, Post-sphincterotomy
 •
Causes of Biliary ... diverticulum, AUPBD • Stones ... : Biliary stone( ... Biliary #Dilatation #causes
Twinkle Artifact of CBD stone
"Twinkle artifact" isn't exclusive to urinary stones. Check out this dancing CBD
Artifact of CBD stone ... exclusive to urinary stones ... this dancing CBD stone ... POCUS Can also be caused ... Artifact #CBD #stone
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease Renal Causes ... Hematuria: • Stone ... and SMA - Can cause ... Cystitis • Bladder stones ... urinary tract) Causes
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Asymptomatic Stones ... differential #diagnosis #causes
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
Black and Bloody Stools ... result from other causes ... These stools have ... hemorrhage may also cause ... #Differential #Causes
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Causes of Urinary ... carcinoma - Stone ... • Bladder stone ... Diagnosis #Algorithm #Causes