17 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... circumferential GGO ... sarcoidosis, mets to the lung ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
enlargement of pulmonary ... caliber due to chronic ... thromboembolic disease ... #Clinical #Radiology ... #CTChest #GGO #
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
hyperperfused lung ... adjacent to oligemic lung ... thromboembolic disease ... #Clinical #Radiology ... #CTChest #GGO #
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... CT • Central GGO ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... in the adjacent lung ... hypertension • Mosaic ... of the affected lung ... CT) • Broncho-arterial
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... area of the left lung ... treatment for pulmonary ... #Clinical #PCC # ... CXR #Oleothorax #NEJM
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... Lung Abscess - Clinical ... : Pleuritic chest ... CT Lung Abscess ... #Abscess #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... encounters due to NTM: Chronic ... Disease: Clinical ... Disease: • Clinical ... Imaging, high res CT
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
diameter are called lung ... malignancy, clinical ... comorbidities, such as chronic ... disease and coronary ... artery disease;
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Chronic Thromboembolic ... Plexiform-lesion formation Clinical ... thromboembolic material, mosaic ... Ventilation-perfusion lung ... have inoperable disease