Parotidectomy
Parotidectomy The parotid gland is divided into a superficial lobe and a deep lobe for the purposes of surgical dissection. Because 70% to 80% of the parotid tissue lies in…
Introduction
Introduction Facial incisions are designed to preserve facial symmetry and motion and to minimize scarring. To remove small skin tumors, make elective incisions in natural skin “wrinkle lines,” if possible…
Introduction
Introduction This anatomically complex region is presented in four sections: The face and parotid region (Chapter 1e), endoscopy of the upper respiratory tract (Chapter 2), the midline of the neck…
Metastatic Rhabdomyosarcoma
Metastatic Rhabdomyosarcoma Definition Lymph node metastases of rhabdomyosarcoma. Epidemiology Rhabdomyosarcoma is the most common soft tissue sarcoma occurring in children under 15 years old (1,2). Rhabdomyosarcoma also occurs in young…
Metastatic Ewing Sarcoma/Peripheral Neuroectodermal Tumor
Metastatic Ewing Sarcoma/Peripheral Neuroectodermal Tumor Definition Lymph node metastases of Ewing sarcoma/peripheral neuroectodermal tumor (ES/PNET). Historical Introduction James Ewing described the bone neoplasm subsequently named after him in a case…
Metastatic Neuroblastoma
Metastatic Neuroblastoma Definition Neuroblastoma metastatic to lymph nodes. Epidemiology Neuroblastoma (including ganglioneuroblastoma, discussed later) accounts for 7% to 10% of childhood cancers and is the most common solid tumor of…
Metastatic Neuroendocrine Tumors
Metastatic Neuroendocrine Tumors Definition Lymph node metastases of neuroendocrine tumors. Pathogenesis Neuroendocrine tumors encompass a broad spectrum of neoplasms ranging from well-differentiated neoplasms, also known as carcinoid tumors (from the…
Metastatic Mucinous Adenocarcinoma
Metastatic Mucinous Adenocarcinoma Definition Lymph node metastases of carcinoma associated with abundant mucin that may be intra- or extracellular. Synonym The term metastatic signet ring cell adenocarcinoma is used for…
Metastatic Prostatic Carcinoma
Metastatic Prostatic Carcinoma Definition Lymph node metastases of prostatic adenocarcinoma. Epidemiology In the United States, prostatic carcinoma is the most commonly diagnosed internal malignant neoplasm in men. For the year…
Metastatic Seminoma
Metastatic Seminoma Definition Lymph node metastases of seminoma. Pathogenesis Testicular cancers are uncommon. In 2007, the estimated number of testicular cancers was 7,920 cases (1). Approximately 90% of testicular cancers…
