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September 17, 2020

Noncongenital Pediatric Mature Teratoma of the Mandible

Author Affiliations
  • 1Keck School of Medicine of the University of Southern California, Division of Plastic and Reconstructive Surgery, Los Angeles
  • 2Children’s Hospital of Los Angeles, Division of Plastic and Maxillofacial Surgery, Los Angeles, California
  • 3Department of Pathology and Laboratory Medicine, Children’s Hospital Los Angeles, Keck School of Medicine of the University of Southern California, Los Angeles
JAMA Otolaryngol Head Neck Surg. 2020;146(11):1085-1086. doi:10.1001/jamaoto.2020.2572

Pediatric teratomas of the head and neck are exceedingly rare. To our knowledge, noncongenital, mature cases involving the mandible have not yet been described. We present a case of an enlarging jaw mass in a young girl that was determined to be a mature teratoma with histologic characteristics resembling those of the intestine, airway, and liver.

A young African American girl presented with a 2-month history of left cheek swelling and pain. Physical examination findings were significant for a firm left-sided mandibular mass and associated displacement of dentition without evidence of regional lymphadenopathy. Computed tomographic scan revealed a destructive-appearing, multiloculated, radiolucent lesion of the left mandible measuring 6.0 × 4.1 × 4.0 cm extending from the sigmoid notch to the parasymphyseal region (Figure 1).

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