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H. Suzuki, Y. Haga, K. Oguro, S. Shinoda, T. Masuzawa and N. Kanai, “Intracranial Hemangiopericytoma with Extracranial Metastasis Occurring after 22 Years,” Neurologia medico-chirurgica, Vol. 42, No. 7, 2002, pp. 297-300. doi:10.2176/nmc.42.2977

has been cited by the following article:

• TITLE: Intracranial Hemangiopericytoma Focally Recurrent to the Pelvis

  AUTHORS: Robert Eil, Kim C. Lu, George R. Wettach, Vassiliki L. Tsikitis

  KEYWORDS: Hemangiopericytoma; Solitary Fibrous Tumor; Intracranial; Immunohistochemical; Metastatic

  JOURNAL NAME: Journal of Cancer Therapy, Vol.3 No.5, October 17, 2012

  ABSTRACT: A 42-year-old male with a history of recurrent intracranial hemangiopericytoma presented to the Emergency Department with urinary retention. Ensuing work-up revealed a 10-centimeter circumscribed pelvic mass that appeared anatomically distinct from the sacrum. This metastasis was found 10 years after the initial resection of his intracranial lesion. An abdominal resection was performed, and the patient recovered uneventfully. Final pathology and staining findings were consistent with metastatic hemangiopericytoma. Hemangiopericytoma is a rare mesenchymal soft tissue neoplasm with potential for late local recurrence and metastasis. Here, we review the case and discuss the clinical relevance of narrowing the diagnosis to HPC or the growing umbrella of Solitary Fibrous Tumor (SFT). To our knowledge, this is the first report of intracranial HPC metastatic to the pelvis.