Abstract

The incidence of a metastatic tumor of the calvaria is uncommon, but it has a considerable impact in the field of neurosurgery. The hematogenous metastatic spread was common in leiomyosarcoma. Calvaria is one of the most uncommon metastatic locations for this type of cancer. A 70-year-old man with a history of rhabdomyosarcoma and thyroid cancer came with a parietal mass that rapidly enlarged, followed by sudden hemiparesis and severe cognitive impairment. Head CT scan revealed a destructive soft tissue mass, indicating a metastatic development and mass effect of tumor pushing the brain parenchymal with slight compression of the right lateral ventricle and midline deviation of 8 mm to the left side. Perioperative embolization was done, and the tumor was effectively excised through extensive excision. Histopathology indicated a malignant spindle cell mesenchymal tumor, indicating leiomyosarcoma. After the operation, the patient's neurological status was stable, and there was no sign of tumor recurrence. Recommendation for managing metastatic calvaria tumor based on histopathological findings is insufficient. The information in this case report is essential for scholarly purposes and the participant gave written informed consent for publication. For the treatment of metastases in the skull, complete excision of osteolytic calvaria lesions is indicated.

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