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Intralobar pulmonary sequestration: a clinical and pathological spectrum
L A Nicolette1, A M Kosloske, S A Bartow
1Department of Surgery, University of New Mexico School of Medicine, Albuquerque.
Journal of Pediatric Surgery
|June 1, 1993
Summary
Pulmonary sequestration, a lung abnormality, is often considered acquired. However, this study presents cases suggesting intralobar sequestration is congenital, with inflammation developing over time.
Area of Science:
- Pulmonology
- Pediatric Surgery
- Pathology
Background:
- Pulmonary sequestration involves abnormal lung tissue with anomalous systemic arterial supply.
- Intralobar sequestration (ILS) is often diagnosed in older children and inflammation suggests an acquired origin.
- Previous autopsy studies have supported an acquired etiology for ILS.
Observation:
- Four pediatric cases of ILS were analyzed, showcasing a range of inflammatory changes.
- Case presentations spanned from newborns to a 6-year-old, with varying degrees of inflammation.
- One newborn case showed no inflammation, while others presented with acute and chronic inflammatory changes.
Findings:
- The presented cases suggest a congenital origin for ILS, contrary to previous theories.
- A temporal progression of inflammation was observed, from absent to severe acute and chronic inflammation.
- This spectrum supports a developmental, rather than solely infectious, etiology for ILS.
Implications:
- The findings challenge the prevailing acquired etiology theory for ILS.
- Understanding the congenital basis of ILS is crucial for accurate diagnosis and management.
- Further research into the developmental pathways of ILS is warranted.