Largest Intracranial Calcified Hydatid Cyst: A Case Report with Review of Literature.

Cerebral hydatid disease is a peculiar manifestation of echinococcosis, an infection acquired from Echinococcus tapeworm, in its larval stage. It symbolizes only 2% of all the cerebral space occupying lesions. It is frequently observed in children and young adults. In this paper, we report an exceptional case of intracranial solitary calcified hydatid cyst in a 25 year old male, shepherd by occupation, presenting with history of difficulty in walking and convulsions for the last 20 years. Craniotomy was carried out and an intact calcified mass weighing around 300 grams was excised. It is the largest intracranial calcified hydatid cyst excised till date and is first of its kind.