2024年12月14日 · Choroid plexus papillomas are an uncommon, benign (WHO grade 1) neuroepithelial intraventricular tumor, which can occur in both the pediatric (more common) and adult population. On imaging, these tumors are usually identified in the fourth ventricle in adults and in the lateral ventricles in the pediatric population.

2024年12月14日 · Choroid plexus papillomas are an uncommon, benign (WHO grade 1) neuroepithelial intraventricular tumour, which can occur in both the paediatric (more common) and adult population. On imaging, these tumours are usually identified in the fourth ventricle in adults and in the lateral ventricles in the paediatric population.

Choroid plexus papilloma is an uncommon, benign neuroepithelial intraventricular tumor which can occur in both the pediatric (more common) and adult population. They are classified as a WHO grade I tumor if typical and WHO grade II if atypical.

The heterogeneous enhancement and very rounded appearance of this lesion are not typical for a choroid plexus papilloma, and just demonstrates the difficulty in preoperative diagnosis in some cases. 3 articles feature images from this case

2024年6月28日 · Atypical choroid plexus papillomas are WHO grade 2 tumors derived from choroid plexus epithelium with intermediate clinical and pathological features between more indolent choroid plexus papillomas and more aggressive choroid plexus carcinomas.

2025年2月13日 · Choroid plexus tumors can be classified as primary or secondary neoplasms of the choroid plexus: primary tumors choroid plexus papilloma (WHO grade I or II "atypical")

Location and appearances are consistent with a choroid plexus papilloma, subsequently confirmed on histology.

Choroid plexus papilloma is an uncommon, benign neuroepithelial intraventricular tumor which can occur in both the pediatric (commoner) and adult population.

Histopathologic analysis of the mass consisted of epithelial tissue in a papillary configuration with microcalcifications with low mitotic figures, typical for choroid plexus tissue. As this tissue was from the mass lesion, it represents a choroid plexus papilloma .

This is a choroid plexus papilloma located in the fourth ventricle. The patient had partial tumor resection via suboccipital craniotomy . Gross pathology of the specimens retrieved showed smooth and irregularly shaped fragments of tan or pink soft tissue.