pulmonary nodule differential diagnosis
- related: Pulmonology
- tags: #literature
The broad groups for pulmonary nodules are infection, malignancy, benign nodules, autoimmune, vascular, and nodule mimics.
Infections can have variety of causes including TB and non-TB mycobacterium, fungal infections, bacterial abscesses, parasitic infections.
Malignant nodules can be either pulmonary in origin or metastatic. Pulmonary malignancies are most frequently adenocarcinoma, with carcinoid tumor that can sometimes be a single nodule. Benign nodules include hamartomas.
Autoimmune have multiple causes include rheumatoid arthritis (rheumatoid arthritis RA CT image findings), vasculitis, sarcoid, amyloidosis.
Mimics include loculated effusion, mucoid impaction, rounded atelectasis, and AV malformation. 1