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Dowling-Orlando Technique for Removal of Hydatid Cysts – Yusuf Ersahin, M.D.

This page was last updated on April 27th, 2022

The most effective treatment of hydatid cysts is their surgical removal. Many reports suggest that the Dowling’s technique is the most effective surgical procedure for the removal of cerebral hydatid cysts (1 ,3, 12, 24, 26, 28, 37, 39). A detailed description of this popular and relatively safe method is given by Carrea et al. (9).

Case study

Video of MRI scan of a 9-year-old with a hydatid cyst.

Exposure of cyst

A large craniotomy is performed to allow for delivery of the cyst without its constriction. A cortical incision nearly the width of the cyst is then made, and the plane between it and the surrounding cortex is developed using cottonoids.


Placement of irrigating catheter

A soft, flexible catheter is then inserted over the cyst to rest on its far side to the cortical incision.


Hydrodissection of the cyst

The continuous irrigation with saline through the catheter and slow advancement of the cotton pads or strips usually allows the cyst to be delivered with no ruptures (47).

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