A rare case of a Wilms tumor: case report.

The nephroblastoma or Wilms tumor (WT) is the most common renal tumor in childhood, representing approximately 6-7% of all pediatric cancers, with a yearly incidence of 10 cases in one million children less than 15 years old, and continues to arouse interest by remarkable actual therapeutic successes, consecutive to the multidisciplinary approach. Its maximum incidence is around the age of 3-3.5 years old, having an equal frequency in males and females.

Two girl patients with medulloblastoma. Case reports.

Unlabelled: In childhood, the most common type of brain tumors is medulloblastoma, a highly malignant primary brain tumor that is found in the cerebellum or posterior fossa. The tumor mass increases and generates obstructive hydrocephalus. Risk factors (that might be involved in some cases) include the genetic syndrome such as type 1 neurofibromatosis, exposure to ionizing radiation and Epstein-Barr virus.