33 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
loss, lethargy, fever ... • Fever, weight ... and dyspnea • Lobar ... be normal • Fever ... infiltrates or lobar
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... there is an ill-defined ... #Clinical #Radiology ... #Pneumonia #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... - Lobar or focal ... #Diagnosis #Radiology ... #Differential #Table ... #RadiologyAssistant
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
103-104°F) • Lobar ... pneumonia • Rickettsial ... gram-negative pneumonia ... • Hyper-IgD syndrome ... or lung abscess
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... is seen in: - UIP ... edema #Diagnosis #Radiology ... #Differential #Table
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... with cough and fever ... with low oxygen level ... nodular interstitial lung ... #Causes #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... diagnosis #comparison #table
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
with low-grade fever ... and an abnormal chest ... #Clinical #Radiology ... #CTChest #Eosinophilic ... #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... #Pneumonitis #ILD ... #RadiologyAssistant