44 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 ... #CTChest #Cystic
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity ... #RadiologyAssistant
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
's female with chest ... Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c ... #clinical #cardiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
paratracheal and bilateral ... adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... Lymphadenopathy #Differential ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
edema, blood or tumor ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential ... #RadiologyAssistant
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... preexisting pulmonary cavity ... .2016.12.033 #Monod #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... of the cell -> Bilateral ... Decreased visual acuity ... ophthalmology #diagnosis ... #signs #symptoms
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... pulmonary edema: bilateral ... #Clinical #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant