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Postnatal myelomeningocele closure in smallest reported neonate: illustrative case

Momin M Mohis, Kevin Cordeiro, Sarah Larson, Catharine Garland, and James A Stadler III

clinically stable. At 16 months, he developed increased secretions, increased pooling of secretions, and enlarged ventricles. He subsequently underwent endoscopic third ventriculostomy with choroid plexus cauterization to treat his hydrocephalus. We performed this procedure in the hope of potentially avoiding a future shunt placement. FIG. 1 Preoperative MMC 5 days after birth. FIG. 2 Postoperative MMC 24 days after birth. At his most recent neurosurgery follow-up at 30 months of age, he was eating without difficulty, walking without support, and

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Pineal parenchymal tumor of intermediate differentiation with late spinal dissemination 13 years after initial surgery: illustrative case

Hiroyuki Kato, Takafumi Tanei, Yusuke Nishimura, Yoshitaka Nagashima, Motonori Ishii, Tomoya Nishii, Nobuhisa Fukaya, Takashi Abe, and Ryuta Saito

intracranial PPTID. Illustrative Case A 14-year-old female presented with headache and diplopia. Bilateral papilledema and left eye abduction disorders were also observed. Magnetic resonance imaging (MRI) revealed a solitary mass lesion in the pineal region with contrast enhancement on T1-weighted imaging, which induced obstructive hydrocephalus ( Fig. 1 ). The patient had no relevant medical or family history. Initially, a biopsy of the lesion and endoscopic third ventriculostomy were performed. Histological examination revealed hypercellular proliferation, small