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Volume 6, Issue 4 , Pages 172-174 , December 2011

Unilateral conductive hearing loss secondary to an ipsilateral high jugular bulb with contralateral agenesis of the lateral dural sinuses in a pediatric patient

Ariel Katz
- Department of Otolaryngology Head and Neck Surgery, Soroka University Medical Center and the Ben Gurion University, Beer Sheva, Israel
- Corresponding author at: Department of Otolaryngology-Soroka Medical Center, P.O.B. 151, Beer Sheva, Israel. Tel.: +972 86400635/545901073; fax: +972 86403037.
Daniel M. Kaplan
- Department of Otolaryngology Head and Neck Surgery, Soroka University Medical Center and the Ben Gurion University, Beer Sheva, Israel
Benzion Joshua
- Department of Otolaryngology Head and Neck Surgery, Soroka University Medical Center and the Ben Gurion University, Beer Sheva, Israel
Ilan Shelef
- Radiology Institute, Soroka University Medical Center and the Ben Gurion University, Beer Sheva, Israel
Marc Puterman
- Department of Otolaryngology Head and Neck Surgery, Soroka University Medical Center and the Ben Gurion University, Beer Sheva, Israel

Received 20 March 2010 ,Revised 30 June 2010 ,Accepted 3 July 2010.

Audiogram of the child, at presentation. A conductive hearing loss with a 20–30dB air-bone gap is exhibited on the left side. This was accompanied by a type B tympanogram.

Audiogram of the child, at presentation. A conductive hearing loss with a 20–30dB air-bone gap is exhibited on the left side. This was accompanied by a type B tympanogram.
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High resolution temporal bone CT scans in the axial (a) and in the saggital plains (b). A high jugular bulb is demonstrated on the left side, intruding the middle ear space and in contact with the oss

High resolution temporal bone CT scans in the axial (a) and in the saggital plains (b). A high jugular bulb is demonstrated on the left side, intruding the middle ear space and in contact with the ossicular chain (arrows).
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Cranial MRV demonstrating dominance of the dural sinuses on the left side, with a huge internal jugular vein diverticulum. Contralaterally – the right side demonstrates complete agenesis of the latera

Cranial MRV demonstrating dominance of the dural sinuses on the left side, with a huge internal jugular vein diverticulum. Contralaterally – the right side demonstrates complete agenesis of the lateral dural sinuses. Parts (a) and (b) are in the axial and coronal plain, respectively, and part (c) demonstrates the coronal cranial and cervical view of venous vessels.
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