Paratracheal lymph nodes in patients with larynx and hypopharynx cancer in radiological and clinical examination
Journal Title: Otolaryngologia Polska - Year 2008, Vol 62, Issue 3
Abstract
Introduction. Paratracheal lymph nodes receive the lymph from the larynx, hypopharynx, esophagus, thyroid gland and trachea. It is evaluated, that metastases to these nodes occur in about 10–30% of patients with cancer of the larynx, hypopharynx or cervical esophagus. These metastases can lead to the most tragic complication after total laryngectomy, which is the stomal recurrence. Paratracheal lymph nodes are not accessible to examine by palpation or ultrasonography. Aim. The aim of this study was to estimate the usefulness of CT, MRI and clinical intraoperative investigation in the search for enlarged paratracheal lymph nodes. Material and methods. The investigation was performed in 15 patients with advanced larynx and/or hypopharynx cancer. In all the patients we carried out palpation and ultrasonography of the neck, in 7 cases CT and in another 8 cases MRI of the neck. In all the patients who were operated (14 cases) the exact search for enlarged paratracheal lymph nodes during operation was performed. Results. Palpation and ultrasonography of the neck did not found any enlarged paratracheal lymph nodes in anybody of the patients. CT showed one enlarged prelaryngeal lymph node in one patient. MRI showed one enlarged pretracheal lymph node in another one patient. During operation we found one enlarged paratracheal lymph node, which was not seen in MRI. All these nodes were pathologically not metastatic. Conclusions. The analysis of the state of paratracheal lymph nodes is very important in prophylaxis of stomal recurrence after total laryngectomy. However preoperative estimation of these nodes is very diffi cult and limited. It seems to us, that the best way of estimation of the state of paratracheal lymph nodes is intraoperative exploration of the area between trachea and esophagus and excision even loose tissue to pathological examination.
Authors and Affiliations
Aleksandra Kruk-Zagajewska, Włodzimierz Paprzycki, Wojciech Gawęcki, Łukasz Borucki, Jacek Banaszewski
Keywords
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