extraventricular

ex·tra·ven·tric·u·lar

(eks'tră-ven-trik'yū-lăr),
Outside any ventricle, especially of one of the ventricles of the heart.

extraventricular

(ĕks″tră-vĕn-trĭk′ū-lăr) [″ + ventriculus, little belly]
Outside any ventricle, esp. one of the heart.
References in periodicals archive ?
1,3,24-26) Extraventricular neurocytomas (EVNs) are neurocytic tumors located within the brain parenchyma or in areas of the neuroaxis other than ventricles.
Extraventricular neurocytoma in a child mimicking oligodendroglioma: a diagnostic pitfall.
In response to his EXTRAVEHICULAR (14), as the Longest word with 5 different RNLs used once, I offered EXTRAVENTRICULAR which has 16 letters (99104).
According to the medical records reviewed, for all subjects who required both ICP monitoring and CSF drainage to lower ICE an intraventricular catheter monitor (using silicone catheter) with extraventricular drainage (EVD) was inserted into ventricles.
The characteristic papillary architecture and bipartite (astrocytic and neuronal/neurocytic) cell populations distinguish this lesion from other tumors with which it shares histologic features such as dysembryoplastic neuroepithelial tumor, extraventricular neurocytoma, pilocytic astrocytoma, oligodendroglioma, and astroblastoma.
However, extraventricular neurocytoma is a rare consideration that may be difficult to distinguish from oligodendroglioma.
However, extraventricular neurocytomas have been reported, and the term cerebral neurocytoma has been used to describe these locations as well (Nishio, Takeshita, Kaneko, & Fukuri, 1992).
7] Additionally, primary extraventricular locations for choroid plexus-derived lesions are uncommon, with only one such tumor described arising in the suprasellar region.
Moreover, there was no research evidence to determine the accuracy with which nurses were able to level the collection systems for extraventricular drainage, either visually or with the carpenter's level.
10] Although immunohistochemical and ultrastructural evidence of glial differentiation in neurocytomas is well recognized, the architectural pattern of this tumor and its extraventricular location suggest a distinctive lesion.
Patients who did not exhibit improvement in these studies were considered for intraventricular antibiotics, removal of all old tubing with placement of extraventricular drainage (EVD) and careful review for other sources of infection.

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