Endoscopic surgery has truly revolutionized the surgical management of colloid cysts. Their central and deep location within the third ventricle has historically demanded a great degree of surgical skill and demand on the patient. Until the last two decades the treatment options for patients with colloid cysts included a traditional craniotomy (opening the skull for removal of the cyst), stereotactic cyst aspiration, or placement of a shunt for hydrocephalus.

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The excision of lesions around motor strip amounts to profound morbidity in term of neurodeficit in postoperative period. Use of navigation and motor strip mapping, connectome study preoperatively for better surgical outcome are useful tools to minimize the neurodeficit specially in patients who are not a candidate for the awake craniotomy. We present our three patients who underwent brain mapping in the excision and gave good postoperative outcome.