Phlebectasia is a non-tortuous saccular or fusiform dilatation of a vein. Commonly encountered in the paediatric age group, it usually involves upper extremity and neck veins. Phlebectasia of the internal jugular vein presents as a soft compressible, transient swelling in the neck, which increases in size on straining and Valsalva manoeuvre.
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Pushkar Mendiratta (2024) studied this question.
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