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Neonate with a large neck mass
  1. Jessica Joanne Thompson,
  2. Sarah Kidd,
  3. Lucinda C Winckworth
  1. Royal Hampshire County Hospital, Winchester, Hampshire, UK
  1. Correspondence to Dr Jessica Joanne Thompson, Paediatrics, Royal Hampshire County Hospital, Winchester, UK; jthompson26{at}

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A male term infant, with polyhydramnios, was delivered by caesarean section. Family history included a sibling with Edward’s syndrome. He required non-invasive respiratory support at birth and was admitted to the neonatal unit.

A raised occipital mass was noted (figure 1), measuring 8×6 cm, with central yellow pallor and surrounding margins of purple convoluted friable skin and overlying telangiectasia. There was a strong palpable pulse felt above the mass.

Figure 1

Large neck swelling noted on base of occiput.

The baby remained haemodynamically stable (admission blood pressure 69/37mmhg) with normal values for both haemoglobin (152 g/L) and platelet count (149×109/L).

He was transferred to a tertiary hospital where ultrasound (USS) demonstrated a mass with high intralesional vascular flow (figure 2). MRI demonstrated a large congenital vascular anomaly within the posterior neck soft tissues and identified large feeding and draining vessels.

Figure 2

B-mode ultrasound image …

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  • Contributors JJT conceived the article and produced the initial draft. LCW inputted into initial draft, revised and approved the final article. SK, radiologist, helped select and add detail to the radiological image selected.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer-reviewed.