11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... #Radiology #CTChest ... #Cystic #Cysts ... #Differential #Comparison
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
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
arise within a mass ... between cavities and cysts ... Cysts occur without ... Cysts usually contain ... #Cavity #Cyst #
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
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
• Bronchogenic cyst ... Pleuropericardial cyst ... Aneurysm • Enteric cyst ... - Bronchogenic cyst ... - Pericardial cyst
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Unicameral Bone Cysts ... Aneurysmal Bone Cysts ... Sarcoma #Bony #Mass ... BoneLesion #XRay #MSK ... #Orthopedics #Causes
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... another typical case ... of LAM. ... Clinical #Radiology #CTChest
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
Tumors - Benign Cysts ... tumors - Foregut cysts ... - Lymphomas - LAD ... #Diagnosis #Pulmonary ... #Mediastinal #Mass
Chronic Infraspinatus Muscle Denervation from Spinoglenoid Notch Paralabral Cyst
Imaging Findings:
 • T2-hyperintense diffuse intramuscular signal of
Notch Paralabral Cyst ... septate paralabral cyst ... • Cyst compresses ... Suprascapular notch cyst ... Denervation #Paralabral #Cyst
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
Differential Diagnosis ... • ACL ganglion cyst ... Circumscribed mass ... - Can cause ... #msk