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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Intralobar sequestration (ILS)
Definitions
- From Latin "sequestrare" (to be separated)
- ILS (~ 75%)
- Shares visceral pleura of affected lobe
- Pulmonary sequestration
- No normal communication with tracheobronchial tree
- Systemic blood supply
- Extralobar sequestration (~ 25%)
- Supernumerary lung tissue
- Separate pleural investment when intrathoracic
- Bronchopulmonary foregut malformation
- Pulmonary sequestration (extralobar sequestration or ILS) with patent foregut communication (esophagus, stomach) (rare)
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Reporting Tips
Selected References
- Alamo L et al: Revising the classification of lung sequestrations. Clin Imaging. 77:92-7, 2021
- Gabelloni M et al: Pulmonary sequestration: what the radiologist should know. Clin Imaging. 73:61-72, 2020
- Romberg EK et al: Applications of pediatric body CT angiography: what radiologists need to know. AJR Am J Roentgenol. 214(5):1019-30, 2020
- Zhang N et al: Distribution, diagnosis, and treatment of pulmonary sequestration: Report of 208 cases. J Pediatr Surg. 54(7):1286-92, 2019
- Alsumrain M et al: Pulmonary sequestration in adults: a retrospective review of resected and unresected cases. BMC Pulm Med. 18(1):97, 2018
- Qi W et al: Intralobar pulmonary sequestration displayed as localized emphysema on computed tomography image. J Cardiothorac Surg. 12(1):83, 2017
- Walker CM et al: The imaging spectrum of bronchopulmonary sequestration. Curr Probl Diagn Radiol. 43(3):100-14, 2014
- Biyyam DR et al: Congenital lung abnormalities: embryologic features, prenatal diagnosis, and postnatal radiologic-pathologic correlation. Radiographics. 30(6):1721-38, 2010
- Lee EY et al: Multidetector CT evaluation of congenital lung anomalies. Radiology. 247(3):632-48, 2008
- Newman B: Congenital bronchopulmonary foregut malformations: concepts and controversies. Pediatr Radiol. 36(8):773-91, 2006
- Corbett HJ et al: Pulmonary sequestration. Paediatr Respir Rev. 5(1):59-68, 2004
- Zylak CJ et al: Developmental lung anomalies in the adult: radiologic-pathologic correlation. Radiographics. 22 Spec No:S25-43, 2002
- Bratu I et al: The multiple facets of pulmonary sequestration. J Pediatr Surg. 36(5):784-90, 2001
- Do KH et al: Systemic arterial supply to the lungs in adults: spiral CT findings. Radiographics. 21(2):387-402, 2001
- Saygi A: Intralobar pulmonary sequestration. Chest. 119(3):990-2, 2001
- Frazier AA et al: Intralobar sequestration: radiologic-pathologic correlation. Radiographics. 17(3):725-45, 1997
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Intralobar sequestration (ILS)
Definitions
- From Latin "sequestrare" (to be separated)
- ILS (~ 75%)
- Shares visceral pleura of affected lobe
- Pulmonary sequestration
- No normal communication with tracheobronchial tree
- Systemic blood supply
- Extralobar sequestration (~ 25%)
- Supernumerary lung tissue
- Separate pleural investment when intrathoracic
- Bronchopulmonary foregut malformation
- Pulmonary sequestration (extralobar sequestration or ILS) with patent foregut communication (esophagus, stomach) (rare)
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Reporting Tips
Selected References
- Alamo L et al: Revising the classification of lung sequestrations. Clin Imaging. 77:92-7, 2021
- Gabelloni M et al: Pulmonary sequestration: what the radiologist should know. Clin Imaging. 73:61-72, 2020
- Romberg EK et al: Applications of pediatric body CT angiography: what radiologists need to know. AJR Am J Roentgenol. 214(5):1019-30, 2020
- Zhang N et al: Distribution, diagnosis, and treatment of pulmonary sequestration: Report of 208 cases. J Pediatr Surg. 54(7):1286-92, 2019
- Alsumrain M et al: Pulmonary sequestration in adults: a retrospective review of resected and unresected cases. BMC Pulm Med. 18(1):97, 2018
- Qi W et al: Intralobar pulmonary sequestration displayed as localized emphysema on computed tomography image. J Cardiothorac Surg. 12(1):83, 2017
- Walker CM et al: The imaging spectrum of bronchopulmonary sequestration. Curr Probl Diagn Radiol. 43(3):100-14, 2014
- Biyyam DR et al: Congenital lung abnormalities: embryologic features, prenatal diagnosis, and postnatal radiologic-pathologic correlation. Radiographics. 30(6):1721-38, 2010
- Lee EY et al: Multidetector CT evaluation of congenital lung anomalies. Radiology. 247(3):632-48, 2008
- Newman B: Congenital bronchopulmonary foregut malformations: concepts and controversies. Pediatr Radiol. 36(8):773-91, 2006
- Corbett HJ et al: Pulmonary sequestration. Paediatr Respir Rev. 5(1):59-68, 2004
- Zylak CJ et al: Developmental lung anomalies in the adult: radiologic-pathologic correlation. Radiographics. 22 Spec No:S25-43, 2002
- Bratu I et al: The multiple facets of pulmonary sequestration. J Pediatr Surg. 36(5):784-90, 2001
- Do KH et al: Systemic arterial supply to the lungs in adults: spiral CT findings. Radiographics. 21(2):387-402, 2001
- Saygi A: Intralobar pulmonary sequestration. Chest. 119(3):990-2, 2001
- Frazier AA et al: Intralobar sequestration: radiologic-pathologic correlation. Radiographics. 17(3):725-45, 1997
