We describe a premature neonate with an extensive plexiform neurofibroma. Prenatal ultrasound at 32 weeks of gestation was normal. Postnatal examination was significant for a palpable left neck mass. Magnetic resonance imaging (MRI) of the head demonstrated a mass involving the left cavernous sinus with spreading to the left orbital region. MRI of the neck was positive for extensive adenopathy, left more than right, with extension into the deep face region and infratemporal fossa on the left side. MRI of the chest, abdomen, and pelvis demonstrated a mass extending from the superior mediastinum to the left pelvic retroperitoneal region, including the mesenteric vasculature and spinal canal at multiple levels with compression of the spinal cord. Biopsy of the left neck mass confirmed for plexiform neurofibroma. A careful search of the literature revealed no previous report of such an extensive neurofibroma in a premature neonate. Surgical decompression in this premature neonate was not possible because of the extensive nature of the disease; it is known that neurofibroma is non-respondent to chemotherapy and radiotherapy. Therefore, alternative treatment is needed to improve the outcome.
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