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The incidence of incidental papillary and micropapillary

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Author(s): Hakan Yabano─člu

Journal: Journal of Dialog in Endocrinology
ISSN 1306-2514

Volume: 9;
Issue: 1;
Start page: 7;
Date: 2012;
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Keywords: multinodular goiter | bilateral total thyroidectomy

ABSTRACT
Aim: We tried to detect the incidence of incidental thyroidcarcinoma (ITC) in patients that underwent bilateraltotal thyroidectomy (BTT) due to multinodulargoiter (MNG).Materials and methods: The pathology results of 189 patientsthat underwent BTT due to MNG were analyzedretrospectively in terms of incidence of thyroid carcinomabetween January 2010 and June 2011. Patientswere evaluted in terms of age, gender, pathologic diagnosis,complications, tumor size, multicentricity, capsuleand lymphovascular invasion, metastasis, and the frequencyof papillary and micropapillary carcinoma.SPSS (v11,5) was used for computer-based data analysis.Results: Of the 189 patients, 10 (5.2%) were male and179 (94.7%) were female. The ratio of female patientsto male patients was 17.8/1. The mean age of patientswas 41 (21-74). All patients underwent BTT. ITC wasdiagnosed in 11 (5.8%) patients during postoperativepathologic analysis. The overall incidence of papillarythyroid carcinoma in all patients was 5.8% (11 patients).Papillary microcarcinoma was present in 7 (3.9%) ofthese patients. Of all patients diagnosed with carcinoma,1 (0.9%) was male and 10 (90.9%) were female.The mean age of ITC patients was 44 (22-67). Thetumor was multifocal in 4 of the patients, and unifocalin 7. The minimum and maximum tumor foci diameterswere reported as 0.3 cm and 1.7 cm, respectively. Capsuleand lymphovascular invasion was diagnosed in 1patient. Distant organ metastasis was not observed. Ofall patients with a pathology report showing carcinoma,only one patient postoperative complications as myocardialinfarction and hemorrhage.Conclusion: The likelihood of ITC in patients that willundergo surgery due tobenign nodular goiter shouldnever be underestimated. While deciding on a surgicaltechnique the possibility of recurrence, the high likelihoodof carcinoma on definitive pathology report, preoperativeinforming of the patient about the incidenceof carcinoma and that complementary thyroidectomymight be performed if necessary, and all other possibilitiesshould be taken into consideration.

Tango Jona
Tangokurs Rapperswil-Jona

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