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Subsolid nodules
Most subsolid nodules are transient and the result of infection or hemorrhage.
However, persistent subsolid nodules
Subsolid nodules ... Most subsolid nodules ... However, persistent subsolid ... lesions, persistent subsolid ... Fleischner #Guideline #Subsolid
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... Pulmonary nodules ... solid (≥8 mm), and subsolid ... Subsolid nodules ... Nodules that are
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution of nodules ... diagnosis in the nodular ... distribution, nodules ... Nodules are almost ... centrilobular nodules
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Sarcoidosis: nodules ... centrilobular nodules ... Sarcoidosis: nodules
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Miliary TB: random nodules ... Sarcoidosis: nodules ... centrilobular nodules
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... centrilobular nodules ... . - If pleural nodules ... . - If pleural nodules ... and also nodules
Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... interstitial opacities Nodule ... Solitary Pulmonary Nodule
Eosinophilic Bronchitis - Bronchoscopy revealed diffuse nodules in the tracheobronchial mucosa (Panel A). Biopsy of a
revealed diffuse nodules ... Biopsy of a nodule ... the size of the nodules
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... and the nodular ... Perilymphatic #Nodular
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 ... histiocytosis: early nodular ... HRCT #CTChest #Nodular