A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . lar tumors are non-malignant; but some forms may tend toproduce death by hemorrhage, occurring from slight abrasion of theirsurface or from ulceration. Purely subcutaneous angiomas presentthemselves as spongy, doughy tumors, from which pressure expels theblood more or less completely, leaving in the grasp a much smallertumor. If largely composed of arteries, they have a pulsatile char-acter, and a murmur which causes them to res
A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . lar tumors are non-malignant; but some forms may tend toproduce death by hemorrhage, occurring from slight abrasion of theirsurface or from ulceration. Purely subcutaneous angiomas presentthemselves as spongy, doughy tumors, from which pressure expels theblood more or less completely, leaving in the grasp a much smallertumor. If largely composed of arteries, they have a pulsatile char-acter, and a murmur which causes them to resemble aneurisms. Thepulsation, however, partakes rather of the character of a thrill than ofa beat synchronous with the heart movements. The spongy consistenceand the fact that pressure on one artery does not obliterate the thrilland murmur aid in diagnosis. The angioma, moreover, is, probably,not located in the course of an artery. Angiomas in bone resemblemalignant tumors. Vascular tumors, which involve both the skin andthe subcutaneous tissue, are easily diagnosticated. They may causegreat deformity, and even erosion or displacement of the bones. 102 ISTo treatment is demanded for angiomas which do not increase, northreaten life from ulceration and hemorrhage, unless the deformity orpersonal disfigurement is a source of anxiety. Sometimes, thoughrarely, they atrophy spontaneously. Capillary dilatations situatedsolely in the skin, causing the pink discolorations often called port-wine marks, may be removed by multiple scarification, puncturingwith red-hot or electrolytic needles, or by applying caustics. Thesemarks are often unaccompanied by any increase in the bulk of thepart. Under such circumstances they can scarcely be called, withpropriety, vascular tumors. Some of these superficial congenital dis-colorations gradually increase in thickness, and become true best methods of dealing with these tumors, which are some-times called thick nsevi, are stran
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