Unintentional Two-Stage Surgery of Hypervascular Choroid Plexus Papilloma considering Venous Drainage: A Case Report

Daishiro Abe; Kohei Kanaya; Takafumi Kiuchi; Sumio Kobayashi; Kenji Sano; Tetsuyoshi Horiuchi

doi:10.20944/preprints202306.1673.v1

Preprint Case Report Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 23 June 2023 / Approved: 23 June 2023 / Online: 23 June 2023 (12:00:35 CEST)

Two-stage surgery is unintentionally necessary when total tumor removal cannot be accomplished in the first surgery, although, it has not yet been established how to leave the tumor for the next surgery. There is a risk of postoperative hemorrhage in the residual tumor, especially in hypervascular tumors. We report a case of hypervascular choroid plexus papilloma in which preservation of intratumoral venous drainage was considered important to avoid hemorrhagic complications during a two-stage surgery. In hypervascular tumor resection, to prevent postoperative hemorrhage associated with a residual tumor, it may be important to preserve venous drainage of the tumor.

choroid plexus papilloma; hypervascular tumor; surgical strategy; venous drainage

Medicine and Pharmacology, Surgery

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Unintentional Two-Stage Surgery of Hypervascular Choroid Plexus Papilloma considering Venous Drainage: A Case Report

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