16 results
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... on Chest CT • ... linear branching pattern ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... distinct radiographic areas ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... throughout the lungs ... diagnosis #pulmonary ... #CXR #clinical ... #CT
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... consolidation • DDx: COP ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... o infection • Echocardiogram ... sparing of the lung ... CT ... • IF staining patterns
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
X-ray - Lung ultrasound ... - CBC with differential ... diagnostics as clinically ... indicated (e.g. echocardiogram ... iBookCC #COVID19 #algorithm
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... #differential #
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... Also known as: Lung ... Broncholithiasis - Clinical ... CT • Bronchoscopy ... Broncholithiasis #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • Pleuritic CP ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
and M. fortuitum can ... Disease: Clinical ... Disease: • Clinical ... Imaging, high res CT ... NTM #Infections #differential