13 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #LAM #LIP #Histiocytosis ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... Cystic LCH: - LAM ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... cysts (LAM, LIP ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Langerhans cell histiocytosis ... gren syndrome. ... #Clinical #Radiology ... #Cystic #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
cyst in the upper ... is a possible diagnosis ... LAM is a rare lung ... #Clinical #Radiology ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... Langerhans cell histiocytosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant
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 ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
on Chest CT • Hydatid ... cyst in the lung ... #Camalote #CT # ... #diagnosis #radiology ... #clinical
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
cyst in the upper ... is a possible diagnosis ... LAM is a rare lung ... #Clinical #Radiology ... #RadiologyAssistant
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
on Chest CT • Diffusely ... arrow) • DDx: PAM ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical