18 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... (LAM, LIP, Langerhans ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... ): uniform cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison ... #LAM #LIP #Histiocytosis
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
test is a clinical ... test used to diagnose ... of the tibia in comparison ... #PhysicalExam #Clinical ... #Positive #Video
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... central dot. - LIP #Clinical ... #CTChest #Cystic ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... #Differential #Comparison
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
test is a clinical ... test used to diagnose ... of the tibia in comparison ... #PhysicalExam #Clinical ... #Normal #Video
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung cyst ... is a possible diagnosis ... leading to pulmonary cyst ... #Clinical #Radiology