113 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Acellular Casts ... • Hyaline Casts ... tubular necrosis (ATN ... can be either infectious ... or non-infectious
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... cause pulmonary infection ... other site of infection ... Reported cases associated ... Mycobacterium #diagnosis #differential
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
Liver Mass Differential ... disease, Biliary cysts ... Cystadenocarcinoma, Primary SCC Infectious ... #Liver #Mass #Differential ... Diagnosis #hepatology #Radiology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... Urinary tract infections ... #Differential #
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... suggests calculi/infection ... RBC’s, RBC/WBC casts ... #Macroscopic #Differential
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI - Differential ... Post-infectious ... Injury/Necrosis (ATN ... • Toxins • Infection ... #KidneyInjury #Differential
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Injury (AKI) - Differential ... Epithelial cell casts ... Obstruction • Cast ... allopurinol, PPI) • Infections ... KidneyInjury #Nephrology #Differential
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Injury (AKI) - Differential ... C3/C4, Other • ATN ... AIN: Medication, Infection ... Kidney #Injury #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Metastases, Miliary Infection ... Antitripsyn Def • Cysts ... #CT #Patterns #Differential ... Diagnosis #pulmonary #radiology
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
chondroblastoma or an infection ... included in the differential ... Enchondroma and infections ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential