Neurofibromatosis type 1: extensive spinal involvement and Christmas tree sign

Case contributed by Dr Amr Farouk


Known neurofibromatosis type 1 presenting with long term back and lower limb pain.

Patient Data

Age: 30 years
Gender: Male

Multiple sizeable plexiform neurofibromas involving the lumbar and sacral spinal nerve roots as well as the cauda equina expanding the neural foramina and extending into paravertebral regions. 

Case Discussion

The extensive distribution of the plexiform neurofibromas produces an MRI appearance, said to resemble a Christmas tree.

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Case information

rID: 60610
Published: 27th May 2018
Last edited: 27th May 2018
System: Spine, Oncology
Inclusion in quiz mode: Included
Institution: National cancer institute, Cairo, Egypt

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