pleomorphic xanthoastrocytoma

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ple·o·mor·phic xan·tho·as·tro·cy·to·ma

a rare variant of astrocytoma usually presenting early in life with seizures. The tumor is superficially located and composed of pleomorphic glial cells, lipidized astrocytes, and perivascular lymphocytes.
Synonym(s): xanthoastrocytoma

pleomorphic xanthoastrocytoma

(zan″thō-as″trŏ-sī-tō′mă) [ xantho- + astrocytoma],


A rare, relatively slow-growing astrocytoma composed of cells of many sizes and shapes. The tumor is usually diagnosed in adolescents and young adults. Microscopic specimens often reveal fatty cells, fibrillar cells, and involvement of the leptomeninges of the brain.
References in periodicals archive ?
Acting as a broadband down converter, the PXA translates the desired microwave or millimeter wave signal down to an IF frequency and then supplies it to an Agilent Infiniium 9000 or 90000 Series oscilloscope running 89600 VSA software where it is digitised and analysed, respectively.
Combined PXA-GG have been described in 2 patterns according to the distribution of the PXA and GG components.
Only the real-time PXA combines a high-performance signal analyzer and real-time analysis.
With Marvell PXA application processors, original equipment manufacturers (OEMs), original design manufacturers (ODMs) and developers can offer higher performance that is designed to allow users to see two-to-three times faster general-purpose and office application computing, web-browsing and audio/video playback than competing designs.
Agilent's X-Series signal analyzers include the high-end PXA, the versatile MXA, the general-purpose EXA and the low-cost CXA.
This year on Day 3, PXA will be open to the industry as well as bloggers, media and aficionado consumers.
Lastly, sharp and clear viewing is achieved through the BAK 4 Prisms, which are coated with over 60 layers of SHR metallic and PXA phase coatings.
Marvell PXA 300 Application Processor Delivers Both Outstanding Multimedia and Optimal Business Applications Functionality
They will also be able to experience the Agilent N9030A PXA and N9010A EXA signal analyzers, along with smart mixers to extend operating frequencies up to 110 GHz for millimeter-wave applications.
Option RTR enhances the RTSA capabilities currently available for the Agilent PXA and MXA signal analyzers.
Marvell's ARMADA Mobile PXA 1928 features a quad-core ARM Cortex A53, high performance GC5000 GPU, and field proven 5-mode modem technology, and supports multi-radio, CSFB, and VoLTE voice solutions
Marvell(R) PXA 320 Application Processor Delivers Outstanding Multimedia and Optimal Business Functionality