PMC8571180_01
(a-c) T1 MRI axial image sequences showing hypointense intraventricular cyst 1 (d-f) T2 MRI axial image sequences showing hyperintense intraventricular cyst with ruptured hypointense wall in the right lateral ventricle (Camalote sign) 1 (g-i) T2 MRI Saggital image sequences again showing the ruptured cyst and cyst wall sedimenting down 1 (j-l) T2 MRI Coronal image sequences confirming the ruptured hydatid cyst1. (m and n) MRI FLAIR images in axial cuts distinctly defining the cyst wall.
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F1
Magnetic resonanace imaging (MRI) brain were suggestive of a large ruptured intraventricular cyst with irregular floating cyst wall in the right frontal horn giving a typical Camalote sign appearance [Figure 1].
Excised ruptured hydatid cyst wall.
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F2
After completely emptying the cyst of it's contents, its wall was dissected out [Figure 2].
(a) Lamellated membranes of hydatid cyst with scolex (blue arrow) (H and E, x100) 3 (b) High power photomicrograph of cross-section of a scolex at the level of invaginated head bearing the hooklets (red arrow).
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F3
Histopathology also confirmed the diagnosis [Figure 3].