Surgical treatment of intracranial epithelioid hemangioendothelioma: a case report
https://doi.org/10.47093/2218-7332.2023.14.4.51-59
Abstract
Epithelioid hemangioendothelioma (EHE) is an extremely rare vascular neoplasm with an intermediate pattern of malignancy between benign neoplasms and angiosarcomas. Only 46 cases of intracranial localization of primary EHE in adults have been published.
Case report: A 47-year-old male patient developed pronounced speech disorder of sensory and amnestic aphasia type, right-sided pyramidal hemiparesis within 3–4 days. Magnetic resonance imaging revealed a delimited left sided brain islet neoplasm with signs of hemorrhage and small perifocal edema. Intraoperatively, the neoplasm was represented by a conglomerate of pathologic vessels, with involvement of the terminal branches of the M2 segment of the middle cerebral artery, which prevented radical resection of the neoplasm. Based on histopathological and immunohistochemistry analysis of the neoplasm (positive expression of CD31, CD34, proliferative activity index Ki-67 10%) the morphologic diagnosis of EHE was established. 3 months after surgery, continued growth of the residual part of the neoplasm was noted. Temozolomide chemotherapy was clinically ineffective. The patient died due to the development of dislocation syndrome after 9 months.
Discussion. The malignant characteristics of EHE include invasive growth, recurrence, and metastasis, which is more common in intracranial localization of the neoplasm. If EHE is suspected, radical surgical removal of the neoplasm should be sought.
About the Authors
A. V. Gavrjushin
N.N. Burdenko National Medical Research Center of Neurosurgery
Russian Federation
Russian Federation
Andrey V. Gavrjushin - Cand. of Sci. (Medicine), neurosurgeon, 7th clinical department, N.N. Burdenko National Medical Research Center of Neurosurgery.
4-ya Tverskaya-Yamskaya str., 16, Moscow, 125047
D. M. Chelushkin
N.N. Burdenko National Medical Research Center of Neurosurgery
Russian Federation
Russian Federation
Danil M. Chelushkin - postgraduate student, N.N. Burdenko National Medical Research Center of Neurosurgery.
16, 4-ya Tverskaya-Yamskaya str., Moscow, 125047
Tel.: +7 (925) 837-51-12
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