27 results
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Modalities for Renal Calculus ... obstruction - Able ... to identify non-calculus ... causes of flank ... causes of obstruction
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 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
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 Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Causes of Urinary ... Differential Diagnosis Algorithm ... carcinoma - Stone ... • Bladder stone ... #Causes #Urology
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
Causes of Acute Pelvic Pain - Differential Diagnosis Algorithm
Non-Gynecologic:
• Genitourinary (Infection, Stone)
• Gastrointestinal (Appendicitis, Gastroenteritis, Diverticulitis,
Causes of Acute ... Differential Diagnosis Algorithm ... Genitourinary (Infection, Stone ... Differential #Diagnosis #Algorithm ... #Causes #OBGyn
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
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Differential Diagnosis Algorithm ... Common Bile Duct Stone ... Differential #Diagnosis #Algorithm ... #Causes