For video accompanying this chapter see ExpertConsult.com . See inside cover for access details. Embryology The primary and secondary palates arise from the frontonasal process and palatal processes of the maxilla, respectively, separated by the incisive foramen. From the incisive…
For videos accompanying this chapter see ExpertConsult.com . See inside cover for access details. Embryology Between the 4th and 7th weeks of gestation, the two medial nasal prominences of the frontonasal process fuse to form the intermaxillary segment ( Fig.…
Introduction Vascular anomalies are disorders of the endothelium, which can be subclassified into vascular tumors and vascular malformations, distinguished by proliferating endothelium and quiescent endothelium, respectively ( Table 15.1 ). Vascular anomalies can present in individuals of any age and…
Incidence of Phenotypic Classification Congenital melanocytic nevi (CMN) are present at birth, or very occasionally arise in the first few years of life; tardive CMN. These lesions grow commensurate with the child, but tardive lesions can appear to grow more…
Introduction Burns can be a devastating injury that is nondiscriminatory, affecting individuals of all ages, races, and socioeconomic backgrounds. In the United States the incidence of burn injuries continues to rise, with approximately half a million individuals requiring medical therapy,…
Radiation Principles Radiotherapy is the medical use of ionizing radiation, generally as part of cancer treatment to control or kill malignant cells. Ionizing radiation is composed of particles that individually carry enough kinetic energy to liberate an electron from an…
“Losses must be replaced in kind.” Sir Harold Gillies Historical Background Advances in regenerative medicine have opened a new era and enabled reconstruction of devastating soft and bony tissue defects due to trauma, congenital deformities, and neoplastic conditions. Among the…
Introduction The atypical skin lesions are a diverse group of tumors that are uncommon but clinically important. They include a spectrum from benign lesions through to those that demonstrate local invasion and/or distant metastatic potential. Since these lesions are only…
Introduction Nonmelanoma skin cancer (NMSC) is the most common malignancy amongst Caucasians and occurs sporadically in all other populations. NMSCs are comprised predominantly of basal cell (BCC) and squamous cell (SCC) carcinoma, among other rarer types of cutaneous malignancy. UV…
Epidemiology Over the past four decades, melanoma has shown a consistent increase in incidence in white populations, becoming one of the most frequent cancers in light skin populations. The incidence rate of this disease varies widely in relation to race,…