14 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
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 ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Comparison #Table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... Differential #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... low attenuation (table ... ground-glass pattern is frequently ... honeycombing, it frequently ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... order of relative frequency ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Chest CT: • Ground-glass ... opacities • Nodules ... microorganisms or who have frequent ... and M panel Management ... hematology #diagnosis #management
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
metabolic equivalent able ... Stable patients ... one post op Cardiology ... change CV risk Chest ... medical and surgical management
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Diagnosis and Management ... Self-limiting, chronic but stable ... dyspnea, cough, chest ... pernio, papules, nodules ... Sarcoidosis #Diagnosis #Management
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
for follow-up of nodules ... lesion has been stable ... Management of indeterminate ... #Management #Radiology ... #CTChest #Fleischner