17 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #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
Nodular pattern( ... Sarcoidosis: nodules ... histiocytosis: early nodular ... #HRCT #CTChest ... #Nodular #Pattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... diagnosis in the nodular ... structures of the lung ... NodularPattern #Nodular ... Comparison #Diagram #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a HRCT ... demonstrated a fine nodular ... #Clinical #Radiology ... #Sarcoidosis #Nodular ... Interstitial #Pattern #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... On HRCT there are ... patterns: reticular, nodular ... is interstitial lung ... #Differential #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... the ill-defined nodules ... feeding vessel sign ... feeding vessel sign ... SepticEmboli #Cavity #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Comparison #Table #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... opacity due to lung ... centrilobular nodules ... #Clinical #Radiology ... HypersensitivityPneumonitis #Nodular
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... irregular lines, nodular ... , cavities • HRCT ... zone, GGO, small modular ... ILD #diagnosis #management
On the left we see focal irregular septal thickening in the right upper lobe in a
mediastinal lymph nodes ... and a nodular lesion ... in the left lung ... #Clinical #Radiology ... Carcinomatosis #RadiologyAssistant