97 results
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... to rnonths • Fever ... #Abscess #Diagnosis ... #CXR #ChestXRay
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... Red Flags: • Fever ... Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR
A 50 yo F with a history of poor dentition presents to the ED with fever
to the ED with fever ... A CXR is done. ... consistent w/ lung ... abscess #Clinical ... #Radiology #CXR
Chilaiditi Sign on Chest X-Ray
Anterior interposition of the colon between the hemidiaphragm and the liver.
Chilaiditi sign
Chilaiditi Sign ... hemidiaphragm and the liver ... thus important to diagnose ... #Chest #XRay #CXR ... #clinical #radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... loss, lethargy, fever ... • CT: Halo sign ... • Fever, weight ... #differential #diagnosis
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... : • 80% have fever ... Blood cultures • CXR ... early disease) • CXR