4 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... circumferential GGO • DDx ... #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 ... consolidation • DDx ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Nocardiosis - Nocardia spp
Pathogen: Filamentous gram-positive branching rod, grows in acid fast staining and anaerobic conditions
Clinical
anaerobic conditions Clinical ... involved) 32% • Pulmonary ... 9%, up to 20% lung ... #microbiology # ... infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... nonspecific • DX ... change in the lungs ... ) #Mycoses #InfectiousDiseases ... Fungal #Diagnosis #Management