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Brain/Spine » Spine
Dermal sinus tract in neonate
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Presentation This is an ultrasound scan performed in a 10-day-old female infant with history of a midline hairy patch and dimple overlying the spine.
 
 
 
Caption: Sagittal scan of the lower thoracic and lumbar spine
Description: At the site of the hair tuft, there is a sinus tract noted. The tract extends upto the level of the spinal canal; however no communication with the dural space is noted. The skin overlying the tract is intact.
 
 
 
Caption: Magnified image at the site of the midline hairy patch
Description: The sinus tract is well-identified in this image. The tract is seen to stop short of the skin surface.
 
 
 
Caption: Magnified image at the site of the hairy patch
Description: The sinus tract is seen here extending to the level of the spinal canal.
 
 
 
Caption: Transverse scan at the site of the midline hairy patch
Description: The spinal canal appears normal. No definitive communication of the sinus tract with the dural space was noted.
 
Differential Diagnosis Dermal sinus tract
 
Final Diagnosis Dermal sinus tract
 
Case References A gadolinium-enhanced MRI scan confirmed the ultrasound findings.
 
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