66 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential ... #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
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Mediastinal Mass - Differential ... Parathyroid adenoma • Vascular ... Sarcoma, Metastatic Lung ... Esophageal Tumors • Vascular ... #Diagnosis #pulmonary
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... #Pattern #Comparison ... #Table #RadiologyAssistant
Posterior Mediastinal Mass - Differential Diagnosis
 • Neurofibroma
 • Neurosarcoma
 • Neuroblastoma
 • Ganglioneuroma
 • Meningocele
Mediastinal Mass - Differential ... Chondrosarcoma • Vascular ... • Small cell lung ... #Diagnosis #pulmonary ... #radiology #chest
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... diseases - Pulmonary ... Diagnosis #Central #Cardiology ... #Causes #Table ... #Comparison
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... nodules) V = vascular ... - bronchogenic cyst ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... , Mets), COPD, Cystic ... Heart failure Vascular ... Postprocedural, Lung ... #Diagnosis #pulmonary