10 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Extrapulmonary manifestations of sarcoidosis.
a. Endobronchial cobblestones (a nodular appearance of the tracheal wall mucosa). 
b. Diffuse
enhancement (arrow) on MRI ... a patient with pulmonary ... MRI scan showing ... manifestations #clinical ... #photo #diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... Sign) on Chest CT ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases Clinical ... symptoms of active pulmonary ... : - MRI is modality ... involvement - CT ... of AFB by smear microscopy
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
seen on a chest CT ... in a lobular or ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Sign on Chest CT ... consolidation or nodular ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... consolidation or nodular ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Invasive Fungal Infection (IFI)

Invasive fungal infections are severe infections in which fungal pathogens invade normally sterile
species (primarily pulmonary ... antibiotic exposure Clinical ... Culture and microscopy ... Imaging studies (CT ... , MRI) for organ
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... of prior silent pulmonary ... present in only half ... #Brain #clinical ... #radiology
Bladder outlet obstruction (BOO)

Functional obstruction may be caused by detrusor-sphincter dyssynergia (DSD), either at the level
estimated on U/S, CT ... & MRI with: Width ... of symptoms is critical ... Urodynamics, alternative radiologic ... scenario, or when a diagnosis