Key result
Arch aortogram revealed that pulsatile masses in the right lower neck were tortuous vessels at the innominate artery bifurcation, not aneurysms, in 8 evaluated patients.
Observational (n=10)
A pulsatile mass in the right lower neck may represent tortuous vessels rather than an aneurysm, and distinct clinical features can allow for confident diagnosis without arteriography.
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Pulsatile right neck masses may reflect tortuosity rather than aneurysm; case reports leave open validation of non-invasive diagnosis.
Ten patients presenting with a pulsatile mass in the right lower neck were investigated for suspected aneurysms of either the right common carotid artery or subclavian artery. Arch aortogram performed in eight patients showed that these were tortuous vessels, but not aneurysms, at the bifurcation of the innomi nate artery. These patients have distinct clinical features, the recognition of which should allow a confident diagnosis to be made without arteriography.
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Siu et al. (1985) conducted an observational in Pulsatile mass in the right lower neck (n=10). Arch aortogram was evaluated on Diagnosis of tortuous vessels versus aneurysms. Arch aortogram revealed that pulsatile masses in the right lower neck were tortuous vessels at the innominate artery bifurcation, not aneurysms, in 8 evaluated patients.
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