Tail-like cutaneous appendage at the upper thoracic region with a continuous stalk of limited dorsal myeloschisis

Tail-like cutaneous appendage at the upper thoracic region with a continuous stalk of limited dorsal myeloschisis

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Limited dorsal myeloschisis (LDM) is characterized by a fibroneural stalk linking the skin lesion to the underlying spinal cord.LDMs originally have either saccular or nonsaccular (flat) skin lesion; we recently demonstrated the human tail-like cutaneous appendage at the lumbosacral region, which is a morphological RED OMEGA variation.We surgically treated a 6-month-old girl with a cutaneous appendage at the upper thoracic region; the appendage was a continuation of the LDM stalk.

Surgery involving cord untethering and cosmetic removal of the appendage was performed.Histopathologically, small nests of glial fibrillary acidic protein-immunopositive neuroglial tissues were observed in the Milk Frothers appendage and in the intradural LDM stalk.Clinicians should be aware of further morphological variations of thoracic lesions associated with LDM.