230 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 ... Diagnosis #Radiology #CTChest ... #Differential #Comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Radiology #HRCT #CTChest ... Nodular #Pattern #Comparison
Summary Table of how the 4 types of shock affect the circulatory system: 
 - Hypovolemic
Cardiogenic - Distributive ... #Types #Shock #Comparison ... #Cardiogenic #Distributive
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Radiology #HRCT #CTChest ... Nodular #Pattern #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... Radiology #Pulmonary #CTChest ... #Differential #Comparison
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
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non-gravity related distribution ... areas #COVID19 #POCUS ... Lung #Ultrasound #Comparison
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... Perilymphatic distribution ... perilymphatic distribution ... Random distribution ... Perilymphatic #Comparison
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Stage I - Redistribution ... In a normal chest ... applies to chest ... practice many chest ... In these cases comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
in number, the distribution ... periplymphatic distribution ... likely a random distribution ... Pulmonary #HRCT #CTChest
Stevens-Johnson syndrome (SJS), Toxic epidermal necrolysis (TEN) and Overlap

 SJS-TEN overlap and TEN - Surface Epidermal
Epidermal #Necrolysis #Comparison ... #Dermatology #Distribution