BMJ Case Reports 2012; doi:10.1136/bcr-02-2012-5818
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Blunt head injury resulting in formation of the superficial temporal artery aneurysm

  1. Jakub Kaczynski
  1. Department of Vascular Surgery, ABM University Health Board, Swansea, UK
  1. Correspondence to Jakub Kaczynski, jakub.kaczynski{at}


A 30-year-old healthy man presented with a 2-week history of a painful lump over the left temple. The lump expanded when the patient coughed or exercised in the gym. Symptoms developed after the patient sustained a blunt trauma (direct blow with a glass bottle) to the left temporal region.

On examination, a 1 cm hemispherical and tender bleb was found over the left temple (figure 1). The lump was pulsatile and disappeared on the compression of the ipsilateral superficial temporal artery (STA). The remainder of the abdominal and cardiovascular examination was normal. A hand-held Doppler confirmed the presence of blood flow within the lump. Subsequently, a Duplex ultrasound scan was arranged and confirmed the diagnosis of the STA true aneurysm with a 3.9 mm anterior–posterior diameter (figures 2 and 3).

Figure 1

Traumatic true aneurysm in the superficial temporal artery.

Figure 2

Cross-sectional view demonstrating thrombus and flow (blue colour) within the aneurysm.

Figure 3

Longitudinal view confirming true aneurysm by the continuity of the intima.

STA aneurysms (true and false), in more than two-thirds …

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