“ This is the most common solid tumour in newborns. It is more common in girls (however, it is rare) and is generally benign. There is an as...
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This is the most common solid tumour in newborns. It is more common in girls (however, it is rare) and is generally benign. There is an association with other congenital abnormalities: spinal dysraphism, sacral agenesis, hydronephrosis, imperforate anus and gastroschisis. The majority present in the first few days of life.
CT
• Mostly cystic, may contain foci of bone, calcification and fat
• Coccyx always involved
MRI
• High signal on T2 (cystic components), foci of high signal on T1 (fat), bone/calcification usually signal void.
• Malignant lesions extend into the adjacent soft tissues and may metastasise.
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