<unk>  is an uncommon form of cranial or spinal dysraphism. It occurs in 1 in 2500 live births. It occurs as a<unk>  indentation, found along the midline of the neuraxis and often presents alongside infection and neurological deficit.<unk>  form due to a focal failure of dysjunction between the cutaneous ectoderm and neuroectoderm during the third to eight week of gestation. Typically observed in the lumbar and lumbosacral region,<unk>  can occur from the nasion and occiput region down. Early diagnosis and treatment is crucial for cases of<unk> . It ensures that neurological condition does not degrade and prevents infection. Diagnosis can be confirmed through the use of advanced neuroimaging to observe the tract and associated lesions.
Congenital dermal sinus
Microcystic lymphatic malformation
Cutaneous columnar cyst
Subcutaneous granuloma annulare
Subungual exostosis
Persistent tunica vasculosa lentis
Eruptive vellus hair cyst
Acquired progressive lymphangioma