In the right ventricle, echinococcal cysts
are usually sub-endocardial and prone to intracavitary rupture which can result in anaphylactic shock and sudden death; or the cyst debris can cause life-threatening pulmonary or aortic embolism.
Brunetti, "Medical treatment versus "Watch and Wait" in the clinical management of CE3b echinococcal cysts
of the liver," BMC Infectious Diseases, vol.
The differential diagnosis includes simple cysts, echinococcal cysts
, liver abscesses, cystic degeneration of a liver neoplasm, Caroli's disease, posttraumatic cysts, and polycystic diseases.
This is because, in echinococcal cysts
of the bone, the pericyst layer, which usually forms a connective tissue barrier to spread of the disease, does not form.1 The margins may be wellor ill-defined.
Focal nodular hyperplasia contiguous with an echinococcal cyst
. Am J Gastroenterol.
can be indistinguishable from posttraumatic and congenital cysts, but are exceedingly rare in North America.
Giant Solitary echinococcal cyst
of the seminal vesicle: An uncommon cause of retention of urine.
usually involve the liver or lung, with involvement of bone rare and accounting for 0.5-4% of all cases.
Lewall and McCorkell (10) classified echinococcal cyst
rupture into direct, contained and communicating types.
The differential diagnosis of a solitary hepatic cystic mass is broad and includes simple (bile duct) cyst, benign adenoma, focal nodular hyperplasia, metastatic lesion, biliary cystadenoma or cystadenocarcinoma, primary hepatoma, pyogenic or amebic abscess, and echinococcal cyst
. Imaging findings on CT can help to narrow the diagnosis.
A thin rim of calcification delineating a cyst is suggestive of an echinococcal cyst
(4.) Retrovesical Echinococcal Cyst
Causing Renal Failure and Nocturnal Enuresis in a Child By Levent Emir, Cankon Germiyanog lu, Alpaslan Lokumcu, and Demokan Erol Ankara, Turkey.