665 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
Langerhans cell histiocytosis ... Langerhans cell histiocytosis ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Langerhans cell histiocytosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #LAM #LIP #Histiocytosis
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Hypertension on Chest ... Carina crossover sign ... PHTN #ChestCT #CTChest ... #Radiology #cardiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Langerhans cell histiocytosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... - Air Crescent sign ... - Monod sign ... sign - Corona ... #differential #radiology
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell histiocytosis ... #Clinical #Radiology ... #HRCT #CTChest
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... doi.org/10.1016/j.chest ... .2016.12.033 #Halo #Sign ... Pulmonary #diagnosis #radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... doi.org/10.1016/j.chest ... Feeding #Vessel #Sign ... Pulmonary #diagnosis #radiology
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... #Clinical #Radiology ... #HRCT #CTChest