Footnotes

• Contributors SSK initiated the idea for case reporting, prepared the final copy of the manuscript and was involved in the initial diagnosis of the subject. MCY and SKC finalised the final copy of the manuscript and was involved in the management of the patient. MNLW performed the pulmonary angiographic study. STT supervised the whole procedure and reviewed the final manuscript. All authors have read and approved the final manuscript.

• Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

• Patient consent Obtained.

• Provenance and peer review Not commissioned; externally peer reviewed.