Extraadrenal paragangliomas of the body: Imaging features

Ki Yeol Lee, Yu Whan Oh, Hyung Jun Noh, Yu Jin Lee, Hwan Seok Yong, Eun Young Kang, Kyeong Ah Kim, Nam Joon Lee

    Research output: Contribution to journalArticlepeer-review

    130 Citations (Scopus)

    Abstract

    OBJECTIVE. This article illustrates the anatomic distribution of the healthy paraganglion system and the imaging and pathologic features of various extraadrenal paragangliomas occurring in the head and neck, chest, and abdomen. CONCLOSION. Although paragangliomas can occur in a variety of anatomic locations, the majority are seen in relatively predictable regions of the body. Extraadrenal paragangliomas have nearly identical imaging features, including a homogeneous or heterogeneous hyperenhancing soft-tissue mass at CT, multiple areas of signal void interspersed with hyperintense foci (salt-and-pepper appearance) within tumor mass at MRI, and an intense tumor blush with en-larged feeding arteries at angiography.

    Original languageEnglish
    Pages (from-to)492-504
    Number of pages13
    JournalAmerican Journal of Roentgenology
    Volume187
    Issue number2
    DOIs
    Publication statusPublished - 2006 Aug

    Keywords

    • Body imaging
    • CT
    • MRI
    • Oncologic imaging
    • Paraganglioma

    ASJC Scopus subject areas

    • Radiology Nuclear Medicine and imaging

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