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Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
- Differential Diagnosis ... , hyperplasia, cyst ... Tumors • Vascular Mases ... #Differential #Diagnosis ... #pulmonary #anterior
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
arise within a mass ... the differential diagnosis ... associated pulmonary ... #Clinical #Diagnosis ... #Radiology #CTChest
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Causes of Pediatric ... - Differential Diagnosis ... • Bronchogenic Cyst ... • Mediastinal Mass ... #Differential #Diagnosis
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
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... : round cysts, evenly ... #Radiology #CTChest ... #Cystic #Cysts
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... is a possible diagnosis ... airways leading to pulmonary ... cyst formation ... #Clinical #Radiology
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... cavitating lung mass ... vascular - pulmonary ... - bronchogenic cyst ... #Diagnosis #
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
- Differential Diagnosis ... The most common cause ... This is a rare cause ... of breath • Chest ... #Differential #Diagnosis
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... since in many cases ... we describe a chest ... #Lung #Pulmonary ... #Diagnosis #Radiology