"Hamartomas," according to the authors, are tumor-like formations which cease to grow when body growth is complete. This treatise covers all the forms of vascular and lymphatic malformation of congenital origin and also includes acquired vascular lesions related to angiomas. A detailed classification of the different lesions serves as an introduction, while the bulk of the volume relates the authors' personal observations and studies in 100 cases.
Clinical examinations were often supplemented by angiographic studies, oximetry of the venous blood, plethysmography, and histologic examination of biopsies. In six cases three dimensional reconstructions were made by the use of serial sections. The authors also made excellent use of the publications of other investigators, to which they referred in a 24-page bibliography.
The result is a significant contribution to the understanding of vascular lesions that have previously been of little interest to and not well understood by most clinicians. The information imparted