57 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... , amyloidosis, sarcoidosis ... , mets to the lung ... #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
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... #Diagnosis #Radiology ... #CTChest #Cystic
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
lymphadenopathy In sarcoidosis ... adenopathy ('1-2-3-sign ... In lung carcinoma ... #Diagnosis #Radiology ... Lymphadenopathy #Differential
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... GPA, lipoid pna, sarcoidosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... nodules • DDx: Sarcoidosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... sub-acute HP, sarcoidosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
UIP, NSIP and long ... standing sarcoidosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Diagnosis of Miliary ... Granulomatous: Amyloid, Sarcoidosis ... #Radiology #differential ... #CXR #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... in the proper clinical ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology