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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Aortic_nipple_sign entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-15 and was most recently seen on 2026-04-15.
The aortic nipple sign is a radiologic sign that describes the appearance of the left superior intercostal vein on chest radiography. The left superior intercostal vein is located next to the aortic arch, appearing on radiographs as a small mass projecting from the arch. This sign is seen in a small number of individuals and may be mistaken for lymphadenopathy or a neoplasm. The aortic nipple sign may be helpful in identifying certain thoracic pathologies, such as pneumomediastinum, as it may change in size due to changes in intrathoracic pressure. Its appearance is also affected by changes in posture and vascular flow.
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