7 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... emphysema: no walls ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... - Select Bacteria ... #Radiology #differential ... diagnosis #pulmonary #CXR ... #clinical #CT
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... LCH is called a ... On the CXR it is ... #Clinical #Radiology ... #CXR #CTChest #
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... fluid or solid material ... #Clinical #Diagnosis ... #Radiology #CTChest
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
fracture heals, the callus ... is necessary to differentiate ... with pulmonary arterial ... #Clinical #Radiology ... #CXR #Old #RibFracture
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
most challenging differential ... without definable walls ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT chest ... 500 → may stop antibiotics ... uric acid, high LDH ... interventional radiology ... ± tocilizumab; call