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Cerebellar hydatid
  1. Madhivanan Karthigeyan,
  2. Pravin Salunke,
  3. Puneet Malik
  1. Neurosurgery, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
  1. Correspondence to Dr Madhivanan Karthigeyan, Neurosurgery, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh 160012, India; karthigeyanm82{at}

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A young man presented with 2-month history of headache and multiple seizure episodes. His neurological examination was unremarkable. CT and MRI revealed a spherical, well-circumscribed, smooth thin-walled, non-enhancing, intra-axial cystic lesion surfacing over the right cerebellum (figure 1A–C). There was no perilesional oedema and the fluid intensity (T1, hypointense; T2, hyperintense) was similar to that of cerebrospinal fluid. The typical imaging suggested a hydatid cyst. His serum tested negative for hydatid disease.

Figure 1

(A) T2-weighted and (B) T1-contrast MRI show a right cerebellar cyst, which is …

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