Neuroradiological signs: miscellaneous types

Evidence-based neurology checklist on neuroradiological signs: miscellaneous types: A-C Bagel sign: with myelopathy in Behcet’s syndrome Banana sign (fetal ultrasound): in spina bifida Black butterfly sign: with dural arteriovenous fistula (dAVF) Bright tongue sign: in Pompe disease Boomerang…

A-C

  • Bagel sign: with myelopathy in Behcet’s syndrome
  • Banana sign (fetal ultrasound): in spina bifida
  • Black butterfly sign: with dural arteriovenous fistula (dAVF)
  • Bright tongue sign: in Pompe disease
  • Boomerang sign: complete lesions of the splenium of the corpus callosum
  • Boxcar ventricle : with Huntington’s disease (HD)
  • Cashew nut sign: juxtacortical haemorrhage on MRI in cerebral vein thrombosis (CVT)
  • Champagne bottle neck sign: reduced intracranial artery diameter in moyamoya disease
  • Chasing the dragon sign: with inhaled heroin toxicity
  • Christmas tree sign: neurofibromatosis with multiple spinal neurofibromas
  • Claustrum sign: claustrum hyperintensity in refractory status epilepticus
  • Corpus callosum splenium (CCS) sign: in fragile X tremor ataxia syndrome (FXTAS)

D-F

H-L

M-R

S-W

Acronyms

References

  1. Chavhan GB, Shroff MM. Twenty classic signs in neuroradiology: A pictorial essay. Indian J Radiol Imaging 2009; 19:135-145.
  2. Barra FR, Goncalves G, de Lima Matos, et al. Signs in neuroradiology-part 2. Radiol Bras 2011; 44:129-133.
  3. Uygunoglu U, Zeydan B, Ozguler Y, et al. Myelopathy in Behçet's disease: the Bagel Sign. Ann Neurol 2017; 82:288-298.
  4. Imbruglia L, Cacciatore A, Carrara S, et al. Abnormal skull findings in neural tube defects. J Prenat Med 2009; 3:44-47.
  5. Enokizono M, Sato N, Morikawa M, et al. "Black butterfly" sign on T2*-weighted and susceptibility-weighted imaging: a novel finding of chronic venous congestion of the brain stem and spinal cord associated with dural arteriovenous fistulas. J Neurol Sci 2017; 379:64-68. 
  6. And 58 more. Subscribe to see the full list

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