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Peer-reviewedCC BY-NC-ND 4.0Journal of the Society for Cardiovascular Angiography & Interventions

Endovascular Management of a Large Isolated Systemic to Pulmonary Artery Collateral (Type B Malinosculation) in a 13-Year-Old: A Case Report

  • Meghal Sancheti1
  • Saif Rehman2
  • Alexander V Chalphin3
  • Matthew Bramlet4
  • Boban P Abraham5
5 affiliations
  1. 1Department of Pediatrics, St Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, Pennsylvania.
  2. 2Department of Pediatric Cardiac Anesthesiology, St Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, Pennsylvania.
  3. 3Department of Pediatric Surgery, St Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, Pennsylvania.
  4. 4Division of Pediatric Cardiology, Jump Trading Simulation and Education Center, Children's Hospital of Illinois, University of Illinois College of Medicine at Peoria, Peoria, Illinois.
  5. 5Division of Pediatric Cardiology, St Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, Pennsylvania.
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Abstract

Type B malinosculation is a rare congenital malformation and a substrate for left-to-right shunting. We discuss a case of a 13-year-old boy with left-heart enlargement and incidental finding of a large isolated systemic arterial collateral to normal left lower lung. After review of computed tomography angiography of chest and risk-benefit assessment, the patient underwent transcatheter occlusion. This case highlights the importance of investigating aortopulmonary collaterals as an etiology for unexplained left-heart volume overload. We also discuss different treatment strategies used in this rare condition.

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Cite

BibTeXRIS
BibTeX
@article{sancheti2026endovascular,
  title = {{Endovascular Management of a Large Isolated Systemic to Pulmonary Artery Collateral (Type B Malinosculation) in a 13-Year-Old: A Case Report}},
  author = {Meghal Sancheti and Saif Rehman and Alexander V Chalphin and Matthew Bramlet and Boban P Abraham},
  journal = {Journal of the Society for Cardiovascular Angiography \& Interventions},
  year = {2026},
  month = aug,
  doi = {10.1016/j.jscai.2026.105576},
  url = {https://doi.org/10.1016/j.jscai.2026.105576},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Endovascular Management of a Large Isolated Systemic to Pulmonary Artery Collateral (Type B Malinosculation) in a 13-Year-Old: A Case Report
AU  - Meghal Sancheti
AU  - Saif Rehman
AU  - Alexander V Chalphin
AU  - Matthew Bramlet
AU  - Boban P Abraham
PY  - 2026
DA  - 2026/08/13
JO  - Journal of the Society for Cardiovascular Angiography & Interventions
DO  - 10.1016/j.jscai.2026.105576
UR  - https://doi.org/10.1016/j.jscai.2026.105576
AB  - Type B malinosculation is a rare congenital malformation and a substrate for left-to-right shunting. We discuss a case of a 13-year-old boy with left-heart enlargement and incidental finding of a large isolated systemic arterial collateral to normal left lower lung. After review of computed tomography angiography of chest and risk-benefit assessment, the patient underwent transcatheter occlusion. This case highlights the importance of investigating aortopulmonary collaterals as an etiology for unexplained left-heart volume overload. We also discuss different treatment strategies used in this rare condition.
SN  - 2772-9303
ER  -