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Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
TB: Tree-in-bud ... patient with active TB ... Radiology #HRCT #CTChest
Typical Tree-in-bud appearance in a patient with active TB. #Clinical #Radiology #CTChest #TreeInBud #Tuberculosis #TB #RadiologyAssistant
patient with active TB ... Clinical #Radiology #CTChest ... #Tuberculosis #TB
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
Radiology #Pulmonary #CTChest ... #Tuberculosis #TB
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis of TB ... Primary TB: Acute ... pneumonia Secondary TB ... In both miliary TB ... Diagnosis #Radiology #CTChest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... TB: Tree-in-bud ... patient with active TB ... Radiology #Pulmonary #CTChest
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Miliary TB: random ... Radiology #HRCT #CTChest
Miliary TB
This represents a hematogenous dissemination of infection and may occur in association with either primary
Miliary TB This ... Clinical #Radiology #CTChest
Tree-in-bud almost always indicates the presence of:
Endobronchial spread of infection (TB, MAC, any bacterial bronchopneumonia)
Airway disease
of infection (TB ... Radiology #Pulmonary #CTChest
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
be seen on the chest ... infection like TB ... Radiology #CXR #CTChest
Initiation of ART in HIV patients with Opportunistic Infections
 • Pulmonary TB and CD4 cell count
• Pulmonary TB ... • Pulmonary TB ... count >50 • CNS TB