AMP case report: Identification by NGS of a diagnostic and theranostic mutation in a high-grade sarcoma of the humerus
January 2019—A 75-year-old woman with history of melanoma localized to the right forearm and status post excision six years prior presented with a two-month history of continuous left shoulder pain. She was managed initially with physical therapy and hydrocodone with no effect. Initial workup at an outside institution included an x-ray of the left shoulder that showed a destructive lytic lesion involving the proximal aspect of the left humerus associated with a pathologic fracture.