6 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : round cysts, evenly ... : 'signet ring sign ... #Radiology #CTChest ... #Cystic #Cysts
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
cyst • Aneurysmal ... bone cyst • Osteoid ... blade of grass sign ... degenerative subchondral cyst ... #Differential #Diagnosis
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... blade of grass sign ... degenerative subchondral cyst ... #Tumors #Diagnosis ... #Radiology #XRay
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... cyst in the lung ... • DDx: Hydatid cyst ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
> Clearance of calcium ... phosphorous in bones ... Subchondral sclerosis & cysts ... CPPD #Disease #Signs ... Pathophysiology #Diagnosis
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... challenging differential diagnosis ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #