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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
in sarcoidosis and ... eosinophilic pneumonia and ... #Diagnosis #Radiology ... Central #Peripheral #RadiologyAssistant
Since these risk factors are numerous and have different effects on the malignancy risk, it is
factors are numerous and ... #Diagnosis #EBM ... #Radiology #Pulmonary ... PulmonaryNodule #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Lymphangiomyomatosis, LIP and ... #Clinical #Diagnosis ... #Radiology #CTChest ... Histiocytosis #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
a patient who had ... septal thickening and ... The diagnosis based ... #Clinical #Radiology ... SeptalThickening #CHF #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
pneumoconiosis and ... in differential diagnosis ... perilymphatic nodules and ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
the differential diagnosis ... of an irregular and ... #Diagnosis #Pathophys ... #Radiology #Pulmonary ... TreeInBud #Diagram #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
Hilar and mediastinal ... lung carcinoma and ... with silicosis and ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
as in UIP, NSIP and ... in the alveoli and ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
perilymphatic, random and ... pleural nodules and ... nodules are diffuse and ... #Diagnosis #Radiology ... Differential #Algorithm #RadiologyAssistant
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
which are benign and ... between benign and ... considerable overlap and ... #Diagnosis #Radiology ... PulmonaryNodule #Followup #RadiologyAssistant