9 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity ... Hypersensitivity ... #Clinical #Radiology ... HRCT #CTChest #Nodular
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... histiocytosis: early nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... opacities - Fine Nodular ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... - Patterns of Involvement ... Inhomogeneous patchy nodular ... #chest #xray #clinical ... #radiology #CXR
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Low Attenuation Nodular ... Honeycombing: Idiopathic Pulmonary ... HighRes #Chest #CT #Patterns ... #radiology
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... cases) or mosaic pattern ... centrilobular nodules ... #Clinical #Radiology ... HypersensitivityPneumonitis #Nodular
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
pneumonia; PZ, pulmonary ... cavitary lesions, lobular ... drug toxicity, hypersensitivity ... ††Less likely. ... #Radiology #RHS
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... consolidation and GG pattern ... irregular lines, nodular ... zone, GGO, small modular ... interstitial pneumonia’s, Hypersensitivity
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
palpable purpura, nodules ... disease, and ocular ... inflammation Hypersensitivity ... ulcers, cutaneous, ocular ... Cogan syndrome: Ocular