Surgical oncology clinics of North America
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Gastroesophageal cancer (GEC) remains a major cause of cancer-related mortality worldwide. Although the incidence of distal gastric adenocarcinoma (GC) is declining in the United States, proximal esophagogastric junction adenocarcinoma (EGJ) is increasing in incidence. ⋯ Molecular characterization of GEC has identified mutations and copy number variations, along with other oncogenes, biomarkers, and immuno-oncologic checkpoints that may serve as actionable therapeutic targets. This article reviews these key aberrations, their impact on protein expression, therapeutic implications, and clinical directions within each pathway.
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Locally advanced (stage IIIA) non-small cell lung cancer (NSCLC) is confined to the chest, but requires more than surgery to maximize cure. Therapy given preoperatively is termed neoadjuvant, whereas postoperative therapy is termed adjuvant. ⋯ During the past 2 decades, several prospective, randomized, and nonrandomized studies have explored various regimens for preoperative treatment of NSCLC. The evaluation of potential candidates with NSCLC for neoadjuvant therapy as well as the currently available therapeutic regimens are reviewed.
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Lobectomy is the gold standard treatment in operable patients with surgically resectable non-small cell lung cancer. Thoracoscopic lobectomy has emerged as an option for surgeons facile with the technique. ⋯ Fewer postoperative complications and decreased postoperative pain associated with VATS procedures can lead to shorter lengths of stay and lower overall costs. Thoracoscopic surgery continues to evolve, and uniportal, robot-assisted, and awake thoracoscopic procedures have all shown promising results.
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Targeted therapy and immunotherapy have changed the treatment paradigm of non-small cell lung cancer (NSCLC). Distinct molecular subtypes of NSCLC have been described over the past 20 years, enabling the emergence of treatments specific to that subtype. Agents targeting the driver mutations in NSCLC have revolutionized the approach to patients with metastatic disease, because oncologists now select a treatment based on the profile of that particular tumor. More recently, an understanding of immune checkpoints has led to the development of checkpoint inhibitors that enable the host immune system to better recognize tumor cells as foreign and to destroy them.
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Surg. Oncol. Clin. N. Am. · Jan 2016
ReviewMinimally Invasive Parathyroidectomy Versus Bilateral Neck Exploration for Primary Hyperparathyroidism.
Primary hyperparathyroidism is a disease that is caused by excess parathyroid hormone (PTH) secretion from 1 or more of the parathyroid glands. Surgery is the only cure. ⋯ There are distinct advantages and disadvantages of minimally invasive parathyroidectomy (MIP) and bilateral neck exploration (BNE). The advantages of MIP seem to outweigh those of BNE, and MIP has replaced BNE as the operation of choice by many surgeons.