Renovascular Mistaken as Essential Hypertension due to Giant Hepatic Hydatid: A Rare Treatable Entity

Renovascular hypertension is an unusual but treatable cause of refractory hypertension that is infrequently caused by external compression of the renal vasculature by a giant hydatid cyst, a parasitic infection, caused by Echinococcus granulosus in its larval stage which is endemic in many parts of the world including Saudi Arabia. The disease can produce a cyst in almost every part of the body with the liver and lungs being the most frequently targeted organs producing a variety of symptoms depending upon the site and size of the cyst. We report a case of giant hepatic hydatid cyst with the possibility of renovascular hypertension due to mass effect as evident by dramatic drop of the blood pressure to its normotensive state postoperatively.

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