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The outer layer of a hydatid cyst.
[ecto- + G. kystis, bladder]
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7) En bloc resection without inducing rupture and spreading the daughter cyst is recommended treatment strategy and accepted to be curative for intramuscular hydatid disease (8,9) Partial cystectomy, however, is another commonly practiced modality of surgery where the surrounding adhesions or the removal of ectocyst is considered to do more harm than good.
Albendazole inoculates into the ectocyst, leading to selective alteration in cell wall permeability.