PMC9662011_01
Axial T1-weighted brain MRI demonstrating a well-defined hypointense lesion in the right temporal lobe with significant mass effect and midline shift.
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The axial T1-weighted brain MRI showed a well-defined hypointense lesion in the right temporal lobe with significant mass effect and midline shift (Figure 1).
Coronal T2-weighted and axial FLAIR image of the brain demonstrating a well-defined T2 hyperintense lesion that is totally suppressed on the FLAIR sequence, with no sign of perilesional edema.
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Coronal T2-weighted and axial fluid-attenuated inversion recovery (FLAIR) images of the brain showed a well-defined T2 hyperintense lesion that was totally suppressed on the FLAIR sequence, with no sign of perilesional edema (Figure 2).  
T1-weighted MRI of the brain after gadolinium administration showing a well-defined cystic mass with no enhancement on the cyst wall.
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The removed giant intracranial hydatid cyst after the operation.
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Right temporoparietal craniotomy was carried out and a huge cyst, measuring 15x13x12 cm, was removed with an intact capsule, with maximum care taken to avoid rupture and spillage (Figure 4). 
Histopathology microscopic section showing a laminated acellular cyst wall with nucleated germinal layer.
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No protoscolices were seen (Figure 5). 