15 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
nodular septal ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Nodular ... #Differential #
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... NodularPattern #Nodular ... #Differential #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... patterns: reticular, nodular ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Endemic Regions - Clinical ... , soft cheese, ice ... cream) Clinical ... Neurological, Ocular ... Transaminitis - Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... irregular lines, nodular ... , cavities • HRCT ... lower lung zone, GGO ... , small modular
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Cystic #Cysts #Differential
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential ... diagnosis is hypersensitivity ... are confluent, HRCT ... #Clinical #Radiology ... #CTChest #GGO #
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... cavitary lesions, lobular ... #Diagnosis #Pulmonary ... #Radiology #RHS ... #Algorithm
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... HR-pattern: reticular nodular ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm