Choroid plexus papilloma
Classification and external resources
ICD-10	C71.5
ICD-9	191.5
ICD-O:	M9390/1
eMedicine	radio/171
MeSH	D020288

A Choroid plexus papilloma (CPP) is a rare, slow-growing, histologically benign intracranial neoplasm or tumor that is commonly located in the ventricular system of the choroid plexus.^[1] It may obstruct the cerebrospinal fluid flow, causing increased intracranial pressure.

Contents 1 Pathophysiology 2 Frequency and age affected 3 Signs and symptoms 4 Surgical treatment 5 See also 6 Additional images 7 References 8 External links

[edit] Pathophysiology

The tumor is neuroectodermal in origin and similar in structure to a normal choroid plexus. They may be created by epithelial cells of the choroid plexus.

[edit] Frequency and age affected

Internationally tumors of the choroid plexus are rare, accounting for 0.4-0.6% of all intracranial neoplasms. It most commonly affects young children under the age of 5 with a mean patient age of 5.2 years.

[edit] Signs and symptoms

Signs of the tumor resulting from increased intracranial pressure are present in 91% of patients, with Vomiting, homonymous visual field defects and headache being the most common symptoms.

[edit] Surgical treatment

Choroid plexus papillomas are benign tumors that are usually cured by surgery; malignant progression has been rarely reported.

[edit] See also

• Media related to Choroid plexus papilloma at Wikimedia Commons

[edit] Additional images

Micrograph of a choroid plexus papilloma. H&E stain.

[edit] References

[edit] External links

• MedPix Images of Choroid Plexus Papilloma

v • d • e Nervous tissue tumors/nervous system neoplasm/Neuroectodermal tumor (ICD-O 9350-9589) (C70-C72/D32-D33, 191-192/225) Endocrine/ sellar (9350-9379) sellar: Craniopharyngioma · Pituicytoma other: Pinealoma CNS (9380-9539) Neuroepithelial (brain tumors, spinal tumors) Glioma Astrocyte Astrocytoma (Pilocytic astrocytoma, Glioblastoma multiforme) Oligodendrocyte Oligodendroglioma Ependyma Ependymoma · Subependymoma Choroid plexus Choroid plexus tumor (Choroid plexus papilloma, Choroid plexus carcinoma) Multiple/unknown Oligoastrocytoma · Gliomatosis cerebri · Gliosarcoma Mature neuron Ganglioneuroma: Ganglioglioma · Retinoblastoma · Neurocytoma · Dysembryoplastic neuroepithelial tumour · Lhermitte-Duclos disease PNET Neuroblastoma (Esthesioneuroblastoma, Ganglioneuroblastoma) · Medulloblastoma · Atypical teratoid rhabdoid tumor Meningiomas (meninges) Meningioma Hematopoietic Primary central nervous system lymphoma PNS: NST (9540-9579) cranial and paraspinal nerves: Neurofibroma (Neurofibrosarcoma, Neurofibromatosis) · Neurilemmoma/Schwannoma (Acoustic neuroma) · Malignant peripheral nerve sheath tumor note: not all brain tumors are of nervous tissue, and not all nervous tissue tumors are in the brain central nervous system navs: anat/physio/dev, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc peripheral nervous system navs: anat/histo/physio/dev, noncongen PNS somatic/autonomic/congen/neoplasia, symptoms+signs/eponymous, proc