PMC4430140_01
TTE: echocardiographic appearance of left ventricular hydatid cyst
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Transthoracic echocardiogram showed a large hypoechoic cystic mass, measuring 41 x 55 mm (area = 19 cm2) with liquid content in the left ventricle (LV) (Figure 1).
CT Scan: a hypodense round liquid formation in the left ventricle
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CT scan showed a low-attenuation mass in the left ventricle (Figure 2), a finding that is consistent with type I unilocular HC. Cardiac-gated magnetic resonance imaging confirmed the presence of the HC in the LV and described its relationship with cardiac chambers.
Surgical view after cardiac arrest and cardiac incisions showing the white mass (hydatid cyst) through the mitral valve
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After right atriotomy and through the atrial septum and the mitral valve, a 5 cm white mass was found on the left midventricular part of the muscular interventricular septum (Figure 3).
Surgical view while removing the intracavitary left ventricular hydatid cyst
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The germinative membrane and daughter cysts were removed as a whole (Figure 4).
Left ventricular hydatid cyst once removed
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Histopathologic examination of surgical specimen (Figure 5) confirmed the diagnosis of hydatid cyst.