10 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
perilymphatic, centrilobular ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern ... #Centrilobular ... Perilymphatic #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... and centrilobular ... distribution is likely centrilobular ... Diagnosis #Radiology #Pulmonary ... HRCT #CTChest #NodularPattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... Diagnosis #Radiology #Pulmonary ... Nodular #Pattern #NodularPattern ... #Differential #Comparison ... #Table #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
pneumonitis: ill defined centrilobular ... Miliary TB: random ... Hypersensitivity pneumonitis: centrilobular ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
- Metastases: random ... ring sign'. - Centrilobular ... #Differential #Comparison ... #Table #RadiologyAssistant
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Patterns #Diagnosis #Comparison ... #Table #Presentation ... #Pulmonary
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Infarction and Pulmonary ... be the initial presentation ... Symptoms #Signs #Presentation ... #comparison #Table
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Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
secondary lobule (centrilobular ... perilymphatic or random ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
possible clinical presentations ... with presence of pulmonary ... but congested on presentation ... #differential #algorithm ... cardiology #treatment #table
Altitude Sickness: Acute Mountain Sickness (AMS), High Altitude Cerebral Edema (HACE) and High Altitude Pulmonary Edema
High Altitude Pulmonary ... HAPE) Clinical Presentation ... Management #Elevation #Comparison ... #Table