64 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
making an accurate diagnosis ... in the nodular ... structures of the lung ... #Diagnosis #Radiology ... Comparison #Diagram #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
centrilobular nodules ... the differential diagnosis ... irregular and often nodular ... identified in the lung ... TreeInBud #Diagram #RadiologyAssistant
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
• Subcutaneous Nodules ... (Osler's Nodes) ... RheumaticFever #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... opacities or small nodules ... . 3- Nodule or mass ... #Diagnosis #Radiology ... Consolidation #Patterns #RadiologyAssistant
CREST Syndrome: Pathogenesis and Clinical Findings

CALCINOSIS (BB-sized, hard nodules in fingers)
RAYNAUD'S Phenomenon
ESOPHAGEAL DYSMOTILITY
SCLERODACTYLY (thickening and tightening
BB-sized, hard nodules ... CREST #Syndrome #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... can suggest the diagnosis ... the ill-defined nodules ... feeding vessel sign ... SepticEmboli #Cavity #RadiologyAssistant
Common organ involvements and symptoms in Sarcoidosis
Lung 89-99% - Cough, dyspnoea, wheezing and stridor
Skin 16-32% -
in Sarcoidosis Lung ... pernio, papules, nodules ... functions Lymph nodes ... #diagnosis #signs ... #symptoms
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
CT • Pulmonary nodule ... and metastatic lung ... malignancy, rheumatoid nodules ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... leading into a lung ... nodule or mass ... Feeding #Vessel #Sign ... #diagnosis #radiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... centrilobular nodules ... centrilobular nodules ... #diagnosis #clinical ... radiology #ChestCT #pathophysiology