23 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
in differential diagnosis ... and the nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Nodular
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... and also nodules ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... NodularPattern #Nodular
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... in the nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... NodularPattern #Nodular
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
Landolfi’s Sign ... On ocular exam, ... PhysicalExam #Clinical #Video ... #Ocular #Iris # ... AorticRegurgitation #Cardiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... appreciate on a cest ... #Diagnosis #Radiology ... #Pulmonary #CXR
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
centrilobular nodules ... the differential diagnosis ... often nodular branching ... #Diagnosis #Pathophys ... #Radiology #Pulmonary
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
reversed halo sign ... cavitary lesions, lobular ... #Diagnosis #Pulmonary ... #Radiology #RHS ... #Differential #Algorithm
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
sinusitis - pulmonary ... disease: - Oral and ... Ulceration GI tract - Ocular ... #Differential #Diagnosis ... #Cardiology #Table
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
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
signs of chronic ... centrilobular nodules ... parenchyma Diagnosis ... : • HRCT (high-resolution ... #differential #diagnosis