Abstract
Hemangiopericytomas are malignant tumors arising from pericytic cells and account for less than 1% of all vascular neoplasms. We report a rare case of an extra- and intracranial dumbbell-shaped hemangiopericytoma originating from the soft tissue of the neck and penetrating the skull base with invasion into the posterior cranial fossa. The 59-year-old female patient presented with a large pulsating neck mass and reported weakness, abnormal fatigue and headache. MRI revealed an inhomogeneously enhancing tumor and cerebral angiography showed intensive vascularization. Preoperative embolization was performed in order to decrease the operative blood loss. The tumor was operated via a far lateral approach through an osteoclastic suboccipital craniotomy. Total resection of both the intra- and extracranial part of the neoplasm (grade I by Simpson) could be achieved. The histopathological analysis revealed a mesenchymal, hypervascular tumor with the classic staghorn vascular pattern. In this article, we discuss the clinical presentation and multidisciplinary management of hemangiopericytoma and describe the radiological and pathological features of this tumor entity.
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Diensthuber, M., Götz, F., Länger, F. et al. Extra- and intracranial dumbbell-shaped hemangiopericytoma. Eur Arch Otorhinolaryngol 265, 481–484 (2008). https://doi.org/10.1007/s00405-007-0466-y
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DOI: https://doi.org/10.1007/s00405-007-0466-y