Hargis A M, McElwain T F
J Am Vet Med Assoc. 1984 May 1;184(9):1121-4.
Of 21 vascular tumors in equine skin, 18 were histologically benign (hemangiomas) and 3 were malignant (hemangiosarcomas). Of the 18 hemangiomas, 12 were in horses less than or equal to 1 year old, and 6 of these horses were born with the lesions. The 3 horses with hemangiosarcomas ranged from 8.5 to 13 years of age.
在21例马皮肤血管肿瘤中，18例组织学上为良性（血管瘤），3例为恶性（血管肉瘤）。在18例血管瘤中，12例发生于1岁及以下的马，其中6匹马出生时即有病变。3例血管肉瘤的马年龄在8.5至13岁之间。
