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The "High-Riding" Superior Pericardial Recess

CT Findings

¹ Department of Radiology, Hanyang University Hospital, 17 Haengdang-dong, Sungdong-ku, Seoul 1333-792, South Korea.
² Department of Radiology, Duke University Medical Center, Durham, NC 27710.

OBJECTIVE. We recently observed patients in whom the superior pericardial recess extended cephalad ("high-riding") into the right paratracheal region. In these patients, differentiation from mediastinal lymphadenopathy or mass was difficult. The purpose of this study was to assess the prevalence and CT features of the high-riding superior pericardial recess.

CONCLUSION. Narrow-collimation CT with multiplanar reformations was useful for confidently diagnosing a high-riding superior pericardial recess and for distinguishing it from pathologic lesions.

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