Yusuf Şükrü ÇAĞLAR, Hakan TUNA, Kutsal Devrim SEÇİNTİ, Gökmen KAHİLOĞULLARI

Recurrent hemangiopericytoma with multiple extracranial metastates: A case report

Hemanjiyoperisitomalar nadir görülen, oldukça vasküler, kapiller damarların bulunduğu her yerde görülebilen perisit orijinli tümörlerdir. Bu tümörler genelde kas iskelet sisteminde yerleşirler. Intrakranial yarleşimleri oldukça nadirdir. Hem local hem de santral sinir sisteminin uzak bölgelerinde rekürrens yapmaya meyillidirler ve malign olmayan menenjiyomlara kıyasla uzak metastaz yapma ihtimalleri daha fazladır. Hemanjiyoperisitomların biyolojik davranışları bazen grade II-III olarak sınıfl andırılmalarına neden olacak kadar malign olabilmektedir. Uzun yıllar sonra lokal tümor rekürrensi çok sık değildir ancak yaygın ekstrakranial metastaza rastlanabilmektedir. Bu yazıda, servikal vertebra, paravertebral yumuşak doku, akciğer, böbrek ve kas-iskelet sistemi metastazı olan, aynı zamanda da intracranial rekürrensi olan bir hemanjiyoperisitom olgusu sunulmuştur.

Multiple ekstrakranial metastazı olan rekürren hemanjioperisitoma: Olgu sunumu

Hemangiopericytoma is an uncommon, highly vascular tumor of pericyte origin that may occur anywhere capillaries are found. These tumors are usually located in the musculoskeletal system, retroperitoneum and the skin. Their intracranial localization is rare. Hemangiopericytomas have a predilection for both local and distant central nervous system recurrences and exhibit an increased tendency to metastasize compared with nonmalignant meningiomas. The biological behavior of hemangiopericytoma is sometimes malignant although it is considered grade II-III. Local tumor recurrence after many years is not uncommon, and late and widespread extracranial metastases may occur although this is rare in other intracranial tumors. A 46-year old male who had a recurrent intracranial hemangiopericytoma with multiple metastases such as cervical vertebrae, paravertebral soft tissue, lung, kidney and shoulder has been reported.

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