Modern surgery, general and operative . Fig. 1S4.—Cavernous angioma: Subcutane-ous tissue of lep. Fk;. 1S5.—Method of applying Erichsenssuture. neck, the back, and the extremities. They may appear on the labia, thetongue, or the lips. Cavernous angiomata, or venous nevi (Figs. 182 and 183), resemble in struc-ture the corpora cavernosa of the penis; they consist of large endothelial linedspaces with thin walls carrying blood, and there may be distinct vessels as send blood into the spaces, and veins receive it from the spaces. Thesechannels and sinuses are enormously distended cap
Modern surgery, general and operative . Fig. 1S4.—Cavernous angioma: Subcutane-ous tissue of lep. Fk;. 1S5.—Method of applying Erichsenssuture. neck, the back, and the extremities. They may appear on the labia, thetongue, or the lips. Cavernous angiomata, or venous nevi (Figs. 182 and 183), resemble in struc-ture the corpora cavernosa of the penis; they consist of large endothelial linedspaces with thin walls carrying blood, and there may be distinct vessels as send blood into the spaces, and veins receive it from the spaces. Thesechannels and sinuses are enormously distended capillaries. Cavernous angio-mata arise in the skin and subcutaneous tissues; they are usually congenital,but may develop from simple angiomata; they are purple or blue in color; aremore distinctly elevated than the capillary nevi; may be either cutaneous orsubcutaneous; swell when the child cries, and are apt to pulsate; they may be Treatment of Angiomata or Hemangiomata 419 emptied by pressure, and often look like cysts with very th
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