12 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
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung ... In daily clinical ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... varicella - Disseminated ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Track Sign on Chest ... bronchiectasis, CF ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
massiliense in CF ... Disease: Clinical ... • Dyspnea, • Chest ... Disease: • Clinical ... Imaging, high res CT
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... aches, joint pain, chest ... Inhalation of spores ... change in the lungs ... infection have positive
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... revealed multiple pulmonary ... Biopsy of the lung ... #NEJM #clinical ... #radiology #CT #
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... for pulmonary tuberculosis ... #Clinical #PCC # ... Radiology #CXR # ... Oleothorax #NEJM
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT ... chest; CT abdomen ... first) DIC (disseminated ... interventional radiology ... renal failure, pulmonary