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Radiopaedia.org is a free educational radiology resource with one of the web's largest collections of radiology cases and reference articles.

Case of the Day

Cystic hygroma

Contributed by Dr Laughlin Dawes

A CT scan was performed which showed a cystic superior mediastinal mass, and hypertrophy of the left upper limb.Cystic hygroma (lymphatic vascular malformation) is a rare benign lesion, accounting for 1-5% of mediastinal tumours. Most are detected by age two, presenting with pain, ...

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