hemangiopericytomas

Localization

 cerebral hemangiopericytoma
 meningeal hemangiopericytoma

Types

 infantile hemangiopericytoma

Cytogenetics

 12q13-15

• t(7;12)(p22;q13) (8163277)
• t(12;19)(q13;q13.3) (8281520, 1884349)
• t(3;12)(p21-23;q13-15) (8490829)
• t(6;12;19) (p21;q13;p13) (8490829)

 t(8;12)(p21;p13.1) (11063798)
 t(15;16)(q24;q22) (11063798)
 t(1;3)(p22;q21) (8163277)
 t(2;12)(p13;q24.1) (8143272)
 t(5;7)(q13;p15) (8143272)
 t(13;22)(q22;q11) (3955528)
 trisomy 15 (12505255)

Differential dianosis

 tumors with hemangiopericytomatous pattern

References

 Nappi O, Ritter JH, Pettinato G, Wick MR. Hemangiopericytoma: histopathological pattern or clinicopathologic entity? Semin Diagn Pathol. 1995 Aug;12(3):221-32. PMID: 8545589

 Gengler C, Guillou L.Solitary fibrous tumour and haemangiopericytoma: evolution of a concept. Histopathology. 2006 Jan;48(1):63-74. PMID: 16359538