37 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... Metastases: random distribution ... cysts, evenly distribution ... #Differential #Comparison ... #Table #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... Peripheral distribution ... #Differential #Table ... #Distribution # ... Central #Peripheral #RadiologyAssistant
Summary Table of how the 4 types of shock affect the circulatory system: 
 - Hypovolemic
Summary Table of ... Cardiogenic - Distributive ... #Types #Shock #Comparison ... #Table #Hypovolemic ... #Cardiogenic #Distributive
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Differential Diagnosis Algorithm ... Extremities - Distributive ... Shock - Bibasilar Lung ... Decompensated Distributive ... Differential #Diagnosis #Algorithm
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... Random distribution ... structures of the lung ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
bilateral perihilar distribution ... called a Batwing distribution ... periphery of the lung ... reverse Batwing distribution ... #Differential #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... in number, the distribution ... periplymphatic distribution ... likely a random distribution ... #RadiologyAssistant