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Anaplastic giant cell thyroid carcinoma Wallin G; Lundell G; Tennvall JScand J Surg 2004[]; 93 (4): 272-7Anaplastic (giant cell) thyroid carcinoma (ATC), is one of the most aggressive malignancies in humans with a median survival time after diagnosis of 3-6 months. Death from ATC was earlier seen because of local growth and suffocation. ATC is uncommon, accounting for less than 5 % of all thyroid carcinomas. The diagnosis can be established by means of multiple fine needle aspiration biopsies, which are neither harmful nor troublesome for the patient. The cytological diagnosis of this high-grade malignant tumour is usually not difficult for a well trained cytologist. The intention to treat patients with ATC is cure, although only few of them survive. The majority of the patients are older than 60 years and treatment must be influenced by their high age. We have by using a combined modality regimen succeeded in achieving local control in most patients. Every effort should be made to control the primary tumour and thereby improve the quality of remaining life and it is important for patients, relatives and the personnel to know that cure is not impossible. Different treatment combinations have been used since 30 years including radiotherapy, cytostatic drugs and surgery, when feasible. In our latest combined regimen, 22 patients were treated with hyper fractionated radiotherapy 1.6Gy x 2 to a total target dose of 46 Gy given preoperatively, 20 mg doxorubicin was administered intravenously once weekly and surgery was carried out 2-3 weeks after the radiotherapy. 17 of these 22 patients were operated upon and none of these 17 patients got a local recurrence. In the future we are awaiting the development of new therapeutic approaches to this aggressive type of carcinoma. Inhibitors of angiogenesis might be useful. Combretastatin has displayed cytotoxicity against ATC cell lines and has had a positive effect on ATC in a patient. Sodium iodide symporter (NIS) genetherapy is also being currently considered for dedifferentiated thyroid carcinomas with the ultimate aim of making radio-iodine therapy possible.|Aged[MESH]|Aged, 80 and over[MESH]|Antibiotics, Antineoplastic/therapeutic use[MESH]|Carcinoma, Giant Cell/diagnosis/*therapy[MESH]|Chemotherapy, Adjuvant[MESH]|Combined Modality Therapy[MESH]|Female[MESH]|Humans[MESH]|Male[MESH]|Middle Aged[MESH]|Radiotherapy[MESH]|Radiotherapy Dosage[MESH]|Thyroid Gland/drug effects/radiation effects/surgery[MESH]|Thyroid Neoplasms/diagnosis/*therapy[MESH]|Thyroidectomy[MESH]|Treatment Outcome[MESH] |
