Low risk papillary thyroid cancer. 2014

Juan P Brito, and Ian D Hay, and John C Morris
Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, MN, USA Knowledge and Evaluation Research Unit, Mayo Clinic, Rochester, MN 55905, USA.

Thyroid cancer is one of the fastest growing diagnoses; more cases of thyroid cancer are found every year than all leukemias and cancers of the liver, pancreas, and stomach. Most of these incident cases are papillary in origin and are both small and localized. Patients with these small localized papillary thyroid cancers have a 99% survival rate at 20 years. In view of the excellent prognosis of these tumors, they have been denoted as low risk. The incidence of these low risk thyroid cancers is growing, probably because of the use of imaging technologies capable of exposing a large reservoir of subclinical disease. Despite their excellent prognosis, these subclinical low risk cancers are often treated aggressively. Although surgery is traditionally viewed as the cornerstone treatment for these tumors, there is less agreement about the extent of surgery (lobectomy v near total thyroidectomy) and whether prophylactic central neck dissection for removal of lymph nodes is needed. Many of these tumors are treated with radioactive iodine ablation and thyrotropin suppressive therapy, which-although effective for more aggressive forms of thyroid cancer-have not been shown to be of benefit in the management of these lesions. This review offers an evidence based approach to managing low risk papillary thyroid cancer. It also looks at the future of promising alternative surgical techniques, non-surgical minimally localized invasive therapies (ethanol ablation and laser ablation), and active surveillance, all of which form part of a more individualized treatment approach for low risk papillary thyroid tumors.

UI MeSH Term Description Entries
D007457 Iodine Radioisotopes Unstable isotopes of iodine that decay or disintegrate emitting radiation. I atoms with atomic weights 117-139, except I 127, are radioactive iodine isotopes. Radioisotopes, Iodine
D008197 Lymph Node Excision Surgical excision of one or more lymph nodes. Its most common use is in cancer surgery. (From Dorland, 28th ed, p966) Lymph Node Dissection,Lymphadenectomy,Dissection, Lymph Node,Dissections, Lymph Node,Excision, Lymph Node,Excisions, Lymph Node,Lymph Node Dissections,Lymph Node Excisions,Lymphadenectomies,Node Dissection, Lymph,Node Dissections, Lymph
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D009367 Neoplasm Staging Methods which attempt to express in replicable terms the extent of the neoplasm in the patient. Cancer Staging,Staging, Neoplasm,Tumor Staging,TNM Classification,TNM Staging,TNM Staging System,Classification, TNM,Classifications, TNM,Staging System, TNM,Staging Systems, TNM,Staging, Cancer,Staging, TNM,Staging, Tumor,System, TNM Staging,Systems, TNM Staging,TNM Classifications,TNM Staging Systems
D002277 Carcinoma A malignant neoplasm made up of epithelial cells tending to infiltrate the surrounding tissues and give rise to metastases. It is a histological type of neoplasm and not a synonym for "cancer." Carcinoma, Anaplastic,Carcinoma, Spindle-Cell,Carcinoma, Undifferentiated,Carcinomatosis,Epithelial Neoplasms, Malignant,Epithelioma,Epithelial Tumors, Malignant,Malignant Epithelial Neoplasms,Neoplasms, Malignant Epithelial,Anaplastic Carcinoma,Anaplastic Carcinomas,Carcinoma, Spindle Cell,Carcinomas,Carcinomatoses,Epithelial Neoplasm, Malignant,Epithelial Tumor, Malignant,Epitheliomas,Malignant Epithelial Neoplasm,Malignant Epithelial Tumor,Malignant Epithelial Tumors,Neoplasm, Malignant Epithelial,Spindle-Cell Carcinoma,Spindle-Cell Carcinomas,Tumor, Malignant Epithelial,Undifferentiated Carcinoma,Undifferentiated Carcinomas
D002291 Carcinoma, Papillary A malignant neoplasm characterized by the formation of numerous, irregular, finger-like projections of fibrous stroma that is covered with a surface layer of neoplastic epithelial cells. (Stedman, 25th ed) Carcinomas, Papillary,Papillary Carcinoma,Papillary Carcinomas
D004724 Endoscopy Procedures of applying ENDOSCOPES for disease diagnosis and treatment. Endoscopy involves passing an optical instrument through a small incision in the skin i.e., percutaneous; or through a natural orifice and along natural body pathways such as the digestive tract; and/or through an incision in the wall of a tubular structure or organ, i.e. transluminal, to examine or perform surgery on the interior parts of the body. Endoscopic Surgical Procedures,Surgical Procedures, Endoscopic,Endoscopic Surgical Procedure,Endoscopy, Surgical,Surgical Endoscopy,Surgical Procedure, Endoscopic,Procedure, Endoscopic Surgical,Procedures, Endoscopic Surgical
D005819 Genetic Markers A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event. Chromosome Markers,DNA Markers,Markers, DNA,Markers, Genetic,Genetic Marker,Marker, Genetic,Chromosome Marker,DNA Marker,Marker, Chromosome,Marker, DNA,Markers, Chromosome
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077273 Thyroid Cancer, Papillary An ADENOCARCINOMA that originates from follicular cells of the THYROID GLAND and accounts for the majority of THYROID CANCER cases. Cells exhibit enlarged, oval, or elongated morphologies with clear, round, nuclei. Fusions of RET, NTRK1, TPM3, and PCM1 genes are associated with this cancer. Familial Nonmedullary Thyroid Cancer,Nonmedullary Thyroid Carcinoma,Papillary Carcinoma Of Thyroid,Papillary Thyroid Carcinoma,Thyroid Carcinoma, Papillary,Cancer, Papillary Thyroid,Cancers, Papillary Thyroid,Carcinoma, Nonmedullary Thyroid,Carcinoma, Papillary Thyroid,Carcinomas, Nonmedullary Thyroid,Carcinomas, Papillary Thyroid,Nonmedullary Thyroid Carcinomas,Papillary Thyroid Cancer,Papillary Thyroid Cancers,Papillary Thyroid Carcinomas,Thyroid Cancers, Papillary,Thyroid Carcinoma, Nonmedullary,Thyroid Carcinomas, Nonmedullary,Thyroid Carcinomas, Papillary

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