Retrosternal goiter should be suspected if the lower poles could not be palpated on physical examination and when postoperative TSH levels remained unchanged.
The use of LigaSure as an operative technique in the treatment of Graves' disease and toxic goiter is a safe and effective modality that provides a shorter hospital stay and a shorter operation time as well.
Impaired endothelial function in patients with pHT improves after successful parathyroid surgery. No compelling data are evident to suggest that eNOS4a/b polymorphism modifies the endothelial function in patients with pHT.
Pheochromocytoma is an uncommon catecholamine-secreting tumor in which resection is often associated with hemodynamic instability (HI). In this study, we aim to clarify the factors affecting surgical HI in patients who underwent surgery with the diagnosis of pheochromocytoma. All patients who underwent surgery with the diagnosis of pheochromocytoma between 2008 and 2015 were analyzed retrospectively. Patients with inconsistent diagnosis or missing outcomes and follow-up data were excluded. A total of 37 patients were included in this study. Patient demographics, operative time, tumor size, period of medical treatment until surgery, catecholamine levels in urine, and HI patterns were analyzed. There were 23 (62%) male and 14 (38%) female patients. Hemodynamic instability occurred in 13 (35%) patients. Overall, HI was higher in patients with tumor size <6 cm (P < 0.02); moreover, urine catecholamine levels were detected significantly higher than a cutoff value of 2000 mg/24 hours in hemodynamically instable group. In this study, tumor diameter of <6 cm and urine catecholamine levels >2000 mg/24 hours were associated with HI. Preoperative management is essential for preventing hypertensive crisis and HI before or during surgery.
Background. The purpose of this study was to assess the factors that affect the false-negative outcomes of fine-needle aspiration biopsies (FNABs) in thyroid nodules. Methods. Thyroid nodules that underwent FNAB and surgery between August 2005 and January 2012 were analyzed. FNABs were taken from the suspicious nodules regardless of nodule size. Results. Nodules were analyzed in 2 different groups: Group 1 was the false-negatives (n = 81) and Group 2 was the remaining true-positives, true-negatives, and false-positives (n = 649). A cytopathologist attended in 559 (77%) of FNAB procedures. There was a positive correlation between the nodule size and false-negative rates, and the absence of an interpreting cytopathologist for the examination of the FNAB procedure was the most significant parameter with a 76-fold increased risk of false-negative results. Conclusion. The contribution of cytopathologists extends the time of the procedure, and this could be a difficult practice in centres with high patient turnovers. We currently request the contribution of a cytopathologist for selected patients whom should be followed up without surgery.
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