<prompt> A 1.5 year old female is brought to the clinic with complaints of excessive enlargement of head, intolerance to feeds and severe malnourishment. MRI imaging was suggestive of a medulloblastoma causing obstructive hydrocephalus. Which of the following is an example of irrational manattem,-the patient?Craniotomy and sub-total excision of the tumour. Surgeon leaves the layer of the tumour adherent with colliculusFirst ventirculoperitoneal shunt was doneCCNU and vincristine were given as chemotherapyRadiotherapy 35-40 Gy was given to the whole craniospinal axis  <response>: Ans. d. Radiotherapy 35-40 Gy was given to the whole craniospinal axis 