25 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Differential #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... stage before the ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
- Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... low attenuation (table ... seen and in many cases ... #Differential #RadiologyAssistant
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyedrops, surgery #Clinical ... #Diagnosis #Management ... #Ophthalmology ... Stye #Chalazion #Comparison ... #Table
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... can suggest the diagnosis ... feeding vessel sign ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Stage I - Redistribution ... In daily clinical ... In these cases comparison ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... in fact this is nodular ... #Clinical #Diagnosis ... #Radiology #CXR ... #RadiologyAssistant
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... Hypertension Stage ... -> AV nicking Stage ... pathophysiology #ophthalmology ... #diagnosis #signs
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
terminal duct lobular ... breast e.g. biopsy, car ... bruising/erythema/sign ... #differential #diagnosis ... #surgery #causes