SONOWORLD : Dermal sinus tract in neonate

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Brain/Spine » Spine

Dermal sinus tract in neonate

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Author(s) :

A. Thomas Stavros, MD, FACR

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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