Case Series Imaging spectrum of horseshoe lung: A series of four cases

Vikas Yadav, Rama Anand, Pooja Abbey, Samrin Haq

About the author(s) Vikas Yadav, Department of Radiodiagnosis, Lady Hardinge Medical College, New Delhi, India
Rama Anand, Department of Radiodiagnosis, Lady Hardinge Medical College, New Delhi, India
Pooja Abbey, Department of Radiodiagnosis, Lady Hardinge Medical College, New Delhi, India
Samrin Haq, Department of Radiodiagnosis, Lady Hardinge Medical College, New Delhi, India

Horseshoe lung (HL) is a rare congenital anomaly represented by the fusion of both lungs, posterior to the heart, and is typically associated with various bronchopulmonary and cardiovascular malformations. Multi-detector contrast enhanced CT is the imaging modality of choice to demonstrate the pathology and associated malformations. There has been inconsistency in the nomenclature used for such cases in literature. To resolve ambiguity, the authors emphasise that only two terms: HL and pseudo-HL be used on imaging to describe variants of this congenital malformation.

Contribution: A description of the imaging features in four cases of HL, with their associated malformations and a review of the nomenclature.

horseshoe lung; pseudo-horseshoe lung; scimitar syndrome; lung hypoplasia; congenital lung anomaly

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