12 results
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
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Leukocytosis, anemia ... Blood cultures • CXR ... #Abscess #pulmonary ... #differential #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... throughout the lungs ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... 100% of cases), anemia ... #AIDS #pulmonary ... #differential #
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung ... In daily clinical ... In these cases comparison ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Nasal polyps and signs ... in the adjacent lung ... , CCP, ANCA • HIV ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
mucogenicum • HIV ... Bone Marrow - Anemia ... Disease: Clinical ... • Dyspnea, • Chest ... NTM #Infections #differential
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... The differential ... treatment for pulmonary ... #Clinical #PCC # ... Radiology #CXR #
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
Here a typical chest ... a patient with long ... The differential ... #Clinical #Radiology ... #CXR #Lateral #