115 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Langerhans cell histiocytosis ... Diagnosis #Radiology #CTChest ... #Cystic #Comparison ... #LAM #LIP #Histiocytosis
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 #LowAttenuation ... Differential #Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... : 'signet ring sign ... Diagnosis #Radiology #CTChest ... #Differential #Comparison
Flail Chest on Physical Exam

Anterior flail chest post MVA, see seatbelt sign as another clue

Neville @docvlok

#Flail
Anterior flail chest ... , see seatbelt sign ... #PhysicalExam # ... video #trauma #pulmonary ... #seatbelt #sign
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Hypertension on Chest ... Carina crossover sign ... @PulmPEEPs #Pulmonary ... PHTN #ChestCT #CTChest
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Distinct pulmonary ... Feeding #Vessel #Sign ... #CT #Lung #Pulmonary
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell histiocytosis ... Radiology #HRCT #CTChest ... Nodular #Pattern #Comparison
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
Barcode Sign in ... M-Mode seashore sign ... barcode/stratosphere sign ... POCUS #Diagnosis #Comparison ... stratosphere #Clinical #Pulmonary
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
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 ... #CT #Lung #Pulmonary