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Year : 2013  |  Volume : 2  |  Issue : 3  |  Page : 146-148

Infradiaphragmatic extralobar pulmonary sequestration: Masquerading as suprarenal mass

1 Department of Radiology and Imaging, Sagar Hospitals, Bangalore, Karnataka, India
2 Department of Pathology, Sagar Hospitals, Bangalore, Karnataka, India
3 Department of Paediatric Surgery, Sagar Hospitals, Bangalore, Karnataka, India

Correspondence Address:
Kiran V Kalenahalli
Department of Radiology and Imaging Sciences, Sagar Hospitals, Jayanagar, Bangalore - 560 041, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2249-4847.120009

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Pulmonary sequestration is a rare malformation, wherein a portion of lung is non-functional and is not in normal continuity with the tracheo-bronchial tree, and may derive its blood supply from systemic vessels. Two types are described: Intralobar and extralobar types. Intralobar sequestration is more common type, which shares visceral pleura of the involved lobe and is localized within the normal pulmonary parenchyma. Whereas extralobar forms are uncommon and are totally separate from the lung and usually have own covering. Infra-diaphragmatic pulmonary sequestration is of extralobar type and is extremely rare, and usually is associated with other congenital malformations. We present an extremely rare case of isolated infra-diaphragmatic pulmonary sequestration which was antenatally detected and followed up with postnatal CT scan, where it masqueraded as suprarenal mass, and was surgically treated. This case emphasises to add a differential diagnosis of malformation in congenital supra-renal masses, which remain stable in size and appearance, and hence avoid immediate surgery.

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