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Childs Nerv Syst. 2014 Sep;30(9):1583-8. doi: 10.1007/s00381-014-2453-0. Epub 2014 Jun 1.

An endolymphatic sac tumor with imaging features of aneurysmal bone cysts: differential diagnostic considerations.

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  • 1Department of Neuroradiology, Universitätsklinikum Würzburg, Josef-Schneider-Strasse 11, 97080, Würzburg, Germany, Alkonyi_B@ukw.de.

Abstract

BACKGROUND:

Endolymphatic sac tumors (ELSTs) are rare, slow-growing tumors of the petrous bone. Despite the typical localisation, their radiological diagnosis can be challenging due to the variety of other tumors potentially showing similar features.

CASE REPORT:

We present a 16-year-old child with progressive hearing loss, vertigo, and tinnitus who had a large petrous bone lesion showing imaging features of both ELSTs and aneurysmal bone cysts (ABCs). The patient underwent preoperative embolization of the tumor-supplying vessels and subsequently a subtotal resection. Histological examination revealed an ELST.

CONCLUSION:

Despite the rarity of petrous bone ABCs, they should be considered as a differential diagnostic alternative of ELSTs due to their similar imaging appearance.

PMID:
24881035
[PubMed - indexed for MEDLINE]
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