72 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... circumferential GGO ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign ... #diagnosis #radiology ... #clinical
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... Histiocytosis #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
POCUS with Spine ... Sign GSW to ... Diagnosis? ... #POCUS #Spine # ... Sign #clinical #
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #Table #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
hyperperfused lung ... caliber due to chronic ... #Clinical #Radiology ... #CTChest #GGO # ... Thromboembolism #RadiologyAssistant
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
hyperperfused lung ... vessels due to chronic ... #Clinical #Radiology ... #CTChest #GGO # ... Thromboembolism #RadiologyAssistant