559 results
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Modalities for Renal Calculus ... to identify non-calculus ... causes of flank ... causes of obstruction ... #calculus #Radiology
UROLITHIASIS 

80% of stones are composed of calcium oxalate or phosphate. Others include uric acid (9%),
& cystine (1%) stones ... Struvite stones, ... staghorn or large calculus ... These mutations cause ... flankpain #PCN #calculus
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Types of Renal Calculi ... heart failure #Calculi ... #Types #Renal #stones ... differential #diagnosis #causes ... #calculus
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... Tubulolnterstitial • Calculi ... • BPH • Calculi ... Differential #Diagnosis #Algorithm ... #Causes
Pancreatic Duct Stones on Ultrasound
Dilated pancreatic duct with calculi in pancreatic duct. Helpful tip- If pancreatic
Pancreatic Duct Stones ... pancreatic duct with calculi ... Ductal obstruction caused ... by these stones ... is a cause of pain
Causes of Hematuria - Differential Diagnosis
Renal:
 - Glomerular - IgA Nephropathy, Thin basement membrane, Alport syndrome,
Causes of Hematuria ... or other tumor, Calculi ... - Malignancy, Calculi ... Schistomiasis, Malignancy, Calculi ... Differential #Diagnosis #Causes
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... Painful: suggests calculi ... RBC’s, RBC/WBC casts ... #Differential #Algorithm
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Causes of Nephrolithiasis ... Differential Diagnosis Algorithm ... Uric Acid Stones ... Differential #Diagnosis #Algorithm ... #Causes
Mid-ureteric stone just posterior to the uterus.  Infrequent site where a stone can be seen.

Dr.
Mid-ureteric stone ... Infrequent site where a stone ... #Ureteral #Stone ... #Calculus #POCUS
Causes of Biliary Dilatation - Differential Diagnosis
 • Physiological: ↑ Age, Cholecystectomy, Opioid dependence, Post-sphincterotomy
 •
Causes of Biliary ... diverticulum, AUPBD • Stones ... : Biliary stone( ... Biliary #Dilatation #causes