29 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... emphysema: no walls, central ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... Bone Fracture Central ... symptoms/signs, ... nystagmus - Infection ... #Differential #
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... Diagnosis Algorithm ... lyme • Altered mental ... Matthew Ho, MD PhD ... #neurology #PHANTOMS
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... superimposed pulmonay infection ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
injury to the central ... Terry thomas sign ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... Diagnosis for Pulmonary ... , anti-CCP • CXR ... resolution chest CT ... #diagnosis #nephrology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Diagnosis of Miliary ... #differential # ... diagnosis #pulmonary ... #CXR #clinical ... #CT
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... ): Iatrogenic, Ingestion ... Diabetes insipidus (central ... Matthew Ho, MD PhD ... #Algorithm #nephrology
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
diagnosis. ... - Chronic post-infection ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant