The authors describe the case of a 23-month old child with a posterior fossa tumour, which was removed and turned out to be a choroid plexus papilloma. As they state, choroid plexus papilloma is encountered commonly in the first two years of life, but very rarely in the posterior fossa. It is more common in the lateral ventricles. In such a young child, the most likely diagnoses at this age would be medulloblastoma or Atypical Teratoid Rabdoid Tumour (ATRT). This is an interesting case, worth illustrating, serving as a reminder of rare pathological entities.
Professor Spyros Sqouros
Mitera Childrens Hospital