16 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... Perilymphatic nodules ... differential diagnosis of perilymphatic ... HRCT #CTChest #Perilymphatic
The distribution of nodules shown on HRCT is the most important factor in making an accurate
three categories: perilymphatic ... Perilymphatic distribution ... patients with a perilymphatic ... Unlike perilymphatic ... Centrilobular #Perilymphatic
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
addition to the perilymphatic ... #Sarcoidosis #Perilymphatic
On the left a typical case of perilymphatic distribution of nodules in a patient with sarcoidosis.
Notice
typical case of perilymphatic ... fissures indicating a perilymphatic ... #Sarcoidosis #Perilymphatic
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
to distinguish perilymphatic ... random (miliary) or perilymphatic ... dealing with a periplymphatic
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
: nodules with perilymphatic ... : nodules with perilymphatic
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
panbronchiolitis • Perilymphatic
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
: nodules with perilymphatic
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
: nodules with perilymphatic
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
- Sarcoidosis: perilymphatic