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MOHAMED Smahi



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    EP1.15 - Thymoma/Other Thoracic Malignancies (ID 205)

    • Event: WCLC 2019
    • Type: E-Poster Viewing in the Exhibit Hall
    • Track: Thymoma/Other Thoracic Malignancies
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/08/2019, 08:00 - 18:00, Exhibit Hall
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      EP1.15-30 - Resection Anastomosis of Malignant Tumors of the Trachea (Now Available) (ID 2805)

      08:00 - 18:00  |  Author(s): MOHAMED Smahi

      • Abstract
      • Slides

      Background

      Primary malignant tracheal tumors is a rare entity, making only 0.2% of all respiratory tract tumors. Due to their insidious development, their clinical symptom is often late, after a significant reduction of tracheal diameter, which delays the diagnosis that is often misdiagnosed for late asthma.

      The dominant histological type is adenoid cystic tumor.

      Wide tracheal resection allowing the release of airways, is the treatment of reference.

      Method

      This work is a retrospective study of a series of 7 patients admitted for tracheal stenosis at the department of thoracic surgery of the University Hospital Hassan II of Fes, for a total of 7 years from December 2010 to December 2017.

      Result

      There were 6 men and 1 woman, with a mean age of 43 years, 3 of whom were smokers. Dyspnea was the main symtom. All patients received thoracic CT. 6 cases underwent bronchial fibroscopy, the most frequent appearance of which was a tumoral process in 4 patients, most often in the middle part of the trachea in 3 patients, obstructing tracheal diameter almost all in 6 patients . Treatment was surgical with intubation across the operative field in all patients, including 3 resection anastomosis and 4 plasty (V-plasty lateral resection, Kergin-type plasty, Mattey-type tracheobronchial anastomosis, and a V-resection enlarged to carena). The most common histological type was adenoid cystic carcinoma in 2 patients, squamous cell carcinoma in 2 patients, adenocarcinoma in 1 patient, and atypical carcinoid-type neuroendocrine tumor in 1 patient. 2 patients received adjuvant treatment. The follow-up was simple in 6 of our patients who all had postoperative fibroscopy within 9 days on average (8 to 16 days), two deaths, one post-operative death unrelated to tracheal surgery on D4, and a second follow-up to complications of post-radiation tracheal stenosis. The average follow up is 32 months. There was one death at 8 months following post-radiation tracheal stenosis and distant relapse by cervical lymph node metastasis in one patient at 5 years after surgery. He benefited from cervical lymph node dissection + Radiotherapy. He is still alive with controlled disease.

      Conclusion

      Despite advances in tracheal surgery, primary malignant tracheal tumors still have an unfavorable prognosis.

      Endoscopic or radiation disobstruction is a therapeutic alternative for nonoperable tumors.

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