19 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... MRI #POCUS #radiology ... #differential # ... diagnosis #comparison ... #table #appearance
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
interpret them in clinical ... Point Of Care UltraSound ... (POCUS) to CT or ... #Diagnosis #Radiology ... #Limitations #Comparison
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Computed Tomography (CT ... ComputedTomography #CT ... #radiology #differential ... #diagnosis #comparison ... #table #appearance
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... disease - Renal ultrasound ... ; MRA; abdominal ... Screening #Workup #table
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
radiation dose Ultrasound ... obstruction - Able ... causes of flank or abdominal ... scan) when an ultrasound ... stones #calculus #Radiology
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
immune compromise Clinical ... Signs/Symptoms: ... Abdominal or flank ... , specifically CT ... ultrasound as initial
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Adrenal hematoma/hemorrhage on FAST exam

Adult male with RUQ/side pain after MVC. Transient prehospital hypotension.  Has
Diagnosis/differential ... No other intra-abdominal ... injury on CT scan ... Positive #trauma #clinical ... #ultrasound
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
the duodenum Clinical ... Signs/Symptoms: ... , and palpable abdominal ... • Should be on differential ... • CT findings