Population
28 cadavers and 116 consecutive adult chest computed tomographic examinations
Design
Cross-sectional
Authors
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May reduce false-positive mediastinal lymphadenopathy calls on CT; leaves open need for prospective validation across populations.
The superior sinus of the pericardium is a normal anatomic variant visible on CT in about half of adults, which can occasionally mimic mediastinal lymphadenopathy.
Aronberg et al. (1984) studied this question.
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