Choroid plexus papilloma

Definition:

Choroid plexus tumors (CPTs) are rare intraventricular papillary neoplasms of neuroectodermal origin, accounting for less than 1% of all intracranial tumors and 2-4% of pediatric brain tumors. CPTs are categorized by three distinct histologies; choroid plexus papilloma, atypical choroid plexus papilloma, and the malignant choroid plexus carcinoma. Choroid plexus papillomas outnumber choroid plexus carcinomas and are composed of a single layer of cuboidal-to-columnar cells, resting on a basement membrane overlying papillary and vascularized connective tissue.

References:

[1]. Alexa E Gozali, et al. Choroid plexus tumors; management, outcome, and association with the Li-Fraumeni syndrome: the Children's Hospital Los Angeles (CHLA) experience, 1991-2010. Pediatr Blood Cancer. 2012 Jun;58(6):905-9. [Content Brief]

[2]. Hideki Ogiwara, et al. Choroid plexus tumors in pediatric patients. Br J Neurosurg. 2012 Feb;26(1):32-7. [Content Brief]

[3]. Masaaki Imai, et al. Choroid plexus papilloma originating from the cerebrum parenchyma. Surg Neurol Int. 2011;2:151. [Content Brief]

[4]. T Tomita, et al. Choroid plexus papillomas of neonates, infants and children. Pediatr Neurosci. 1988;14(1):23-30. [Content Brief]

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