67 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
• Indolent symptoms ... , hemoptysis Treatment ... Lung #Abscess #Diagnosis ... #Pulmonary #Clinical ... #CXR #ChestXRay
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... symptoms (e.g., ... chest pain) and signs
There are about a dozen x-ray findings, but two of them are especially important: Loss of
aortic knob/aortic-pulmonary ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases Clinical ... Signs/Symptoms: ... pulmonary TB PE ... tissue damage - CXR ... involvement - CT
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... Stork test) • XR ... vertebrae • CT ... Spondylolisthesis #MSK #diagnosis ... #symptoms
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
inflammatory cells) Clinical ... exertion • Neurologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs ... #Pulmonary
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
of COVID-19 • Neurologic ... vein thrombosis, Pulmonary ... ischemia, Acute cor ... Extrapulmonary #Diagnosis ... #Signs #Symptoms
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #