• Tuberculosis and Respiratory Diseases
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• v.77 no.5
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• pp.215-218
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• 2014

Tracheal invasion is an uncommon complication of thyroid cancer, but it can cause respiratory failure. A rigid bronchoscope may be used to help relieve airway obstruction, but general anesthesia is usually required. Tracheal balloon dilatation and stent insertion can be performed without general anesthesia, but complete airway obstruction during balloon inflation may be dangerous in some patients. Additionally, placement of the stent adjacent to the vocal cords can be technically challenging. An 86-year-old female patient with tracheal invasion resulting from thyroid cancer was admitted to our hospital because of worsening dyspnea. Due to the patient's refusal of general anesthesia and the interventional radiologist's difficulty in completing endotracheal stenting, we performed endotracheal tube balloon dilatation and argon plasma coagulation. We have successfully treated tracheal obstruction in the patient with thyroid cancer by using endotracheal tube balloon inflation and a flexible bronchoscope without general anesthesia or airway obstruction during balloon inflation.

• Journal of Yeungnam Medical Science
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• v.35 no.1
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• pp.114-120
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• 2018

Tracheal tumors are rare and difficult to diagnose. Moreover, delays in diagnosis are very common because the symptoms are nonspecific. As a result, tracheal tumors are commonly mistreated as chronic obstructive pulmonary disease or bronchial asthma. We report a case of a 49-year-old male who presented with a 3-month history of dyspnea and cough. Chest computed tomography scan showed a $1.5{\times}1.3cm$ homogenous tumor originating from the right lateral wall of the tracheobronchial angle into the tracheal lumen as well as a $0.5{\times}0.4cm$ round nodular lesion at the right upper lobe with multiple mediastinal lymph nodes enlargement. Bronchoscopic findings revealed a broad-based, polypoid lesion nearly obstructing the airway of the right main bronchus. The patient was diagnosed with pleomorphic adenoma which is the most common benign tumor of the salivary glands, but rarely appears in the trachea. Upon surgery, tracheal pleomorphic adenoma and co-existing active pulmonary tuberculoma that had been mistreated as bronchial asthma over 3 months was revealed. Following surgery, the patient underwent anti-tuberculosis treatment. No recurrence has been detected in the 3 years since treatment and the patient is now asymptomatic.

• Journal of Chest Surgery
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• v.18 no.4
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• pp.792-799
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• 1985

Primary neoplasms of the trachea are rare, but are a very serious critical life-threatening disease. Nearly all the lesions of the trachea are presented as obstructive lesions. Bronchoscopic examination including chest C-T, tomogram and air tracheogram are essential for the further definition of these lesions. The need for removal of tracheal tumors whether complete or incomplete, is clear enough regardless of the histology of the tumor. We have experienced 9 cases from Jan. 1965 to June, 1985. One patient with tracheal hamartoma was cured with complete resection through rigid bronchoscopy and another patient with fibrous histiocytoma was treated with re-excision and laser evaporation through superior mediastinotomy due to recurrence, 1 year later. The remaining patients were treated with mass excision or segmental resection and end-to-end anastomosis through collar incision and superior mediastinal sternotomy. The remaining two patients were operated with and segmental resection and end-to-end anastomosis of trachea using partial cardiopulmonary bypass. The histologic diagnosis were adenoid cystic Ca[5], fibrous histiocytoma[1], mucoepidermoid Ca[1]. hamartoma[1], anaplastic Ca.[1]. Three patients were treated post-operatively with radiation; with adenoid cystic Ca.[2] and anaplastic Ca.[1]. Their post-operative courses were uneventful during the follow-up from 2 months to 7 years.

• Journal of Chest Surgery
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• v.54 no.2
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• pp.154-157
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• 2021

Tracheobronchial injury (TBI) is an uncommon but potentially fatal event. Iatrogenic lesions during bronchoscopy, endotracheal intubation, or thoracic surgery are considered the most common causes of TBI. When TBI is detected during surgery, concomitant surgical treatment is recommended. Herein we present a case of successful robotic primary repair of iatrogenic tracheal and left bronchial branch tears during a robot-assisted hybrid 3-stage esophagectomy after neoadjuvant chemoradiotherapy. A robotic approach can facilitate the repair of this injury while reducing both the potential risk of conversion to open surgery and the associated increased risk of postoperative respiratory complications.

• Journal of the Korean Society of Radiology
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• v.81 no.1
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• pp.225-230
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• 2020

Tracheal leiomyoma is a rare benign tumor, which is composed of transformed cells of mesenchymal origin. We describe a case in which digital tomosynthesis was useful to evaluate a tracheal tumor that was overlooked on initial chest radiographs.

• Journal of Chest Surgery
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• v.36 no.9
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• pp.699-702
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• 2003

Endoscopic removal is acceptable for the treatment of endotracheal/endobronchial mass, because it is less invasive in high-risk patients and a conservative procedure for benign tumors. Two benign tumors in the lumen of the trachea (pure lipoma) and in the intermediate bronchus (hamartoma) were completely eradicated by our procedures, which involved diathermic snaring and residual mass removal with biopsy forceps under the guidance of fiberoptic bronchoscopy. No tumor recurrence was evident after extended follow-up (6 years for endotracheal lipoma and 2.5 years for endobroncheal hamartoma). Our method is safe and less invasive for the patient and provides the surgeon with better view during procedure.

• Journal of Chest Surgery
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• v.44 no.6
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• pp.440-443
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• 2011

A glomus tumor is an uncommon soft tissue tumor that is most commonly found in the subungual area and a glomus originating in the trachea is extremely rare. Histologically and ultrastructurally, these tumors have been divided into three subtypes: classic glomus tumors, glomangiomas, and glomangiomyomas. Glomangiomyomas account for less than 10% of all glomus tumors and are the least common type. We report a case of a 54-year-old man with glomangiomyoma of the trachea who presented with stridor. We treated the tumor by segmental resection and primary repair via a transcervical approach.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.5 no.1
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• pp.59-63
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• 1994

The authors observed the clinical status of 29 patients with vocal cord paralysis caused by tumor from April, 1983 to September, 1993 at Department of Otorhinolaryngology, Yongdong Severance hospital, Yonsei University College of Medicine. The results were as follows: 1) In the kinds of neoplasms, the most frequent were lung Ca. with 13 cases(44.8%), followed by 8 cases by thyroid Ca., 3 cases by neurogenic tumor, 2 cases by mediastinum tumor, cervical esophagus Ca., tracheal Ca., glomus jugulare were 1 case each. 2) In sex distribution, there were 18 cases of males and 11 cases of females with the male to female ratio being 1.8:1. In age distribution, most of the cases(10 cases ; 34.5%) were in the 7th decade. 3) In chief complaints, most of the cases(17 cases : 58.6%) had hoarseness only and aspiration, stridor, dyspnea, cough, dysphagia were present in some cases. 4) In site of the paralysed vocal cord, 21 cases were in the left cord. 5 cases in the right cord and 3 cases in the both cords. 5) In the position of paralysed vocal cord, most of the cases(23 cases : 79.3%) were in the parmedian position.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.29 no.1
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• pp.9-13
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• 2018

Postoperative airway aspiration is not uncommon in patients with head and neck cancer. Airway aspiration has serious consequences, such as swallowing disorders, nutrition-related health problem, or reducing the quality of life due to maintenance of tracheal or nasogastric tubes. The postoperative oropharyngeal defect due to the surgery may interfere with normal swallowing reflex, or the laryngeal dysfunction caused by radiation therapy may cause severe airway aspiration, which may lead to complications such as dyspnea and pneumonia. Complete removal of the disease is also important in the treatment of head and neck cancer, but it is necessary to select a method to avoid and predict the occurrence of airway aspiration according to the treatment method. The most important factor to prevent airway aspiration after surgery is to preserve the proper volume of the oropharynx and to preserve at least one of the cricoarytenoid joint function. It is also the most effective way to reduce additional complications by seeking appropriate surgical treatment according to airway aspiration status. The purpose of this study is to review the operative methods that can induce airway aspiration and consider the prevention and treatment strategy through review of the literature.

• Korean Journal of Radiology
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• v.21 no.10
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• pp.1187-1195
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• 2020

Objective: This study aimed to determine the sonographic features suggestive of extrathyroidal extension (ETE) of thyroid cancers. Materials and Methods: We retrospectively reviewed the sonographic images of 1656 consecutive patients who had undergone thyroidectomy in 2017. The diagnostic performance of sonographic features suggestive of ETE was evaluated using operation and histopathologic reports. Sonographic features for gross ETE to the strap muscle and minor ETE were assessed for thyroid cancer abutting the anterolateral thyroid capsule. Sonographic features for tracheal invasion were assessed according to whether the angle between the tumor and the trachea was an acute, right, or obtuse angle. Sonographic features for recurrent laryngeal nerve (RLN) invasion were assessed based on the association between the tumor and tracheoesophageal groove (TEG) as preserved normal tissue, abutting or protruding into the TEG. Results: ETE was observed in 783 patients (47.3%), including 123 patients with gross ETE (7.4% [strap muscle, n = 97; RLN, n = 24; and trachea, n = 14]) and 660 patients with minor ETE (39.9%). Regarding the diagnosis of gross and minor ETE to the strap muscle, sonographic features of replacement of the strap muscle and capsular disruption showed the highest positive predictive value (75.9% and 58.5%, respectively). Thyroid cancer forming an obtuse angle with the trachea had the highest sensitivity for the diagnosis of tracheal invasion (85.7%), and thyroid cancer protrusion into the TEG showed the highest sensitivity for the diagnosis of RLN (83.3%). Conclusion: Sonography is considered beneficial in the diagnosis of ETE to the strap muscle, trachea, and RLN. Assessment of ETE is important for the accurate staging of thyroid cancer, which in turn determines the extent of surgery or whether active surveillance is appropriate or not.