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Spinal epidural lipomatosis in a pediatric patient with a malignant brain tumor: illustrative case

Reed Berlet, Daphne Li, and John Ruge

BACKGROUND

Spinal epidural lipomatosis (SEL) in pediatric patients with concomitant malignant brain neoplasms is rare and can present with rapid deterioration in neurological function.

OBSERVATIONS

A 4-year-old boy with SEL became paraplegic 4 months after completion of chemoradiation for his previously resected, intracranial atypical teratoid rhabdoid tumor. The patient presented with rapid deterioration in lower extremity sensory and motor function, which, given his oncological history, was concerning for disease progression. Of note, 8 months prior, the patient was started on corticosteroid therapy for respiratory dysfunction. Magnetic resonance imaging revealed significant progression of lumbosacral SEL requiring surgical decompression with subsequent neurological improvement.

LESSONS

When evaluating pediatric patients with primary or metastatic brain tumors with new or worsening myelopathy and motor or sensory deficits, it is important to consider SEL.

Open access

Presacral mature cystic teratoma associated with Currarino syndrome in an adolescent with androgen insensitivity: illustrative case

Grant Koskay, Patrick Opperman, Frank M. Mezzacappa, Joseph Menousek, Megan K. Fuller, Linden Fornoff, and Daniel Surdell

BACKGROUND

Currarino syndrome is a rare disorder that classically presents with the triad of presacral mass, anorectal malformation, and spinal dysraphism. The presacral mass is typically benign, although malignant transformation is possible. Surgical treatment of the mass and exploration and repair of associated dysraphism are indicated for diagnosis and symptom relief. There are no previous reports of Currarino syndrome in an androgen-insensitive patient.

OBSERVATIONS

A 17-year-old female patient presented with lack of menarche. Physical examination and laboratory investigation identified complete androgen insensitivity. Imaging analysis revealed a presacral mass lesion, and the patient was taken to surgery for resection of the mass and spinal cord untethering. Intraoperative ultrasound revealed a fibrous stalk connecting the thecal sac to the presacral mass, which was disconnected without the need for intrathecal exploration. The presacral mass was then resected, and pathological analysis revealed a mature cystic teratoma. Postoperatively, the patient recovered without neurological or gastrointestinal sequelae.

LESSONS

Diagnosis of incomplete Currarino syndrome may be difficult but can be identified via work-up of other disorders, such as androgen insensitivity. Intraoperative ultrasound is useful for surgical decision making and may obviate the need for intrathecal exploration during repair of dysraphism in the setting of Currarino syndrome.