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A pictorial review of “signs in thoracic imaging 01”
1. A Pictorial Review
of “Signs in
Thoracic Imaging”
Part 01
Dr Mazen Qusaibaty
MD, DIS
Head Pulmonary and
Internist Department
Ibnalnafisse Hospital
Ministry of Syrian health
Email:
Qusaibaty@gmail.com
6. Air bronchogram sign
Pneumococcal pneumonia
• Consolidation with
multiple air
bronchograms ( black
branching structures) in
the:
A. RUL
B. RML
C. RLL
6
7. Air bronchogram sign
Pneumococcal pneumonia
• Consolidation with
multiple air
bronchograms in
the:
A. Segment anterior
of RUL
B. RML
C. RLL
7
11. Conclusion: Air bronchogram
Indicates a
parenchymal process
Including non-
obstructive
atelectasis
Distinguished from
pleural or
mediastinal
processes
11
13. Crescent-shaped
area of air within:
Nodule
Mass
Consolidation
Crescent-shaped area of air
surrounding round or oval
opacity within cavity seen in
CT and radiograph
13
14. • Pulmonary cavity
• Ectatic bronchus
• Angioinvasive aspergillosis in patients
with severe neutropenia
Air crescent sign results most
commonly from mycetoma
(fungus ball) within:
14
24. Air crescent –shaped surrounding oval opacity
within cavity
24
• Subpleural
honeycombing in
the lower lobes
consistent with
idiopathic
pulmonary fibrosis.
25. What is your diagnosis?
The patient was a 58-year-old man with
previous tuberculosis and intracavitary
aspergilloma
25
26. Sagittal reformat from a CT scan of the chest
26
• A 14 year-old female
with acute
myeloblastic
leukaemia
A Pictorial Review of “Signs in Thoracic Imaging”Karuppasamy, K.1, Abhyankar-Gupta, M.1, Fewins, H.1, Curtis, J.21The Cardiothoracic Centre - Liverpool NHS Trust, 2Aintree University Hospitals NHS Foundation Trust, Liverpool, United Kingdom
علامة الارتسام القصبي الهوائي: هو القدرة على مشاهدة الحدود القصبية ضمن المتن الرئوي المصاب بحديثة مرضية تقيحية (قيح) أو وذمية ( ماء)
Pneumococcal pneumonia produces consolidation in the right upper lobe with multiple air bronchograms(black branching structures) present since the spaces surrounding the air-filled bronchi normallycontain air but now are filled with inflammatory exudate. There is no cavitation, the disease is in the lower lobe and it contains air bronchograms, all characteristics of pneumonia caused by Streptococcus Pneumoniae (formerly known as Diplococcus Pneumoniae)
Pneumococcal pneumonia produces consolidation in the right upper lobe with multiple air bronchograms(black branching structures) present since the spaces surrounding the air-filled bronchi normallycontain air but now are filled with inflammatory exudate. There is no cavitation, the disease is in the lower lobe and it contains air bronchograms, all characteristics of pneumonia caused by Streptococcus Pneumoniae (formerly known as Diplococcus Pneumoniae)
Pneumococcal pneumonia produces consolidation in the right upper lobe with multiple air bronchograms(black branching structures) present since the spaces surrounding the air-filled bronchi normallycontain air but now are filled with inflammatory exudate. There is no cavitation, the disease is in the lower lobe and it contains air bronchograms, all characteristics of pneumonia caused by Streptococcus Pneumoniae (formerly known as Diplococcus Pneumoniae)
Branching, linear, tubular lucency representing a bronchus or bronchiole passing through airless lung parenchyma .
This sign indicates that the underlying opacity must be parenchymal rather than pleural or mediastinal in location.
air bronchogram - indicates a parenchymal process, including non-obstructive atelectasis, as distinguished from pleural or mediastinal processes
mycetoma :ورم فطري
Refers to the air surrounding a radio opaque material in a crescentric manner along both its inner and outer margins indicating cavitary disease
Aspergilloma in an old TB cavity
Refers to the air surrounding a radio opaque material in a crescentric manner along both its inner and outer margins indicating cavitary disease
Aspergilloma in an old TB cavity
Refers to the air surrounding a radio opaque material in a crescentric manner along both its inner and outer margins indicating cavitary disease
Aspergilloma in an old TB cavity
علامة هلال الهوا
In radiology, the air crescent sign is a finding on chest radiograph and computed tomography that is crescenteric and radiolucent, due to a lung cavity that is filled with air and has a round radioopaque mass.[1] Classically, it is due to an aspergilloma, a form of aspergillosis, that occurs when the fungus Aspergillus grows in a cavity in the lung.[2]
علامة هلال الهوا
In radiology, the air crescent sign is a finding on chest radiograph and computed tomography that is crescenteric and radiolucent, due to a lung cavity that is filled with air and has a round radioopaque mass.[1] Classically, it is due to an aspergilloma, a form of aspergillosis, that occurs when the fungus Aspergillus grows in a cavity in the lung.[2]
علامة هلال الهوا
In radiology, the air crescent sign is a finding on chest radiograph and computed tomography that is crescenteric and radiolucent, due to a lung cavity that is filled with air and has a round radioopaque mass.[1] Classically, it is due to an aspergilloma, a form of aspergillosis, that occurs when the fungus Aspergillus grows in a cavity in the lung.[2]
Rightpneumothorax
Mycetoma with air-crescent sign
The tip ofintercostal drain is also visible near the base.
Computed tomogram of the thorax showing the various viewsof the mycetoma with rupture into the pleural cavity leading topneumothorax over adjacent CT sections.
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.
“Sagittal reformat from a CT scan of the chest, performed on a 14 year-old female with acute myeloblastic leukaemia. The image shows a rounded cavi...”
“Sagittal reformat from a CT scan of the chest, performed on a 14 year-old female with acute myeloblastic leukaemia. The image shows a rounded cavi...”
“Sagittal reformat from a CT scan of the chest, performed on a 14 year-old female with acute myeloblastic leukaemia. The image shows a rounded cavi...”
“Sagittal reformat from a CT scan of the chest, performed on a 14 year-old female with acute myeloblastic leukaemia. The image shows a rounded cavi...”
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.
showing patchy airspace disease with areas of lucency suggestive of cavitation in the right upper lobe. Emphysematous changes are seen bilaterally.
showing patchy airspace disease with areas of lucency suggestive of cavitation in the right upper lobe. Emphysematous changes are seen bilaterally.
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.
Aspergilloma in tuberculous cavity. Coronal reformation image better shows the intracavitary aspergilloma (asterisk) in the left upper lobe. Also noted is subpleural honeycombing in the lower lobes consistent with idiopathic pulmonary fibrosis. The patient was a 58-year-old man with previous tuberculosis and intracavitary aspergilloma.