• Journal of Chest Surgery
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• v.36 no.12
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• pp.991-994
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• 2003

Primary leiomyosarcomas are rare tumors of the lungs. No typical roentgenographic findings of unusual complex of symptoms distinguish this tumor. The most common therapy is surgical resection. Prognosis and significant survivorship are related to the size, grade, metastasis of the lesion. A 25-year-old female patient with chest pain and cough was admitted. In chest X-ray and CT scan, there was a pulmonary nodule in left upper lung field, She was taken a percutaneous needle aspiration biopsy. The result was a spindle cell tumor. Left upper lobe lobectomy was done, and pathologic diagnosis was a low grade leiomyosarcoma arising from left bronchus. During 5 years of follow-up period, she has not shown any metastasis or local recurrence.

• Tuberculosis and Respiratory Diseases
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• v.59 no.6
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• pp.670-673
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• 2005

An 81-year-old man underwent bronchoscopy to investigate the cause of his dyspnea symptoms. A benign natured mass was observed in the bronchus and was excised. The pathology examination revealed a fibroepithelial polyp. He has been asymptomatic since the simple bronchoscopic excision. A fibroepithelial polyp is a benign tumor with a mesodermal origin. It is commonly found in the skin, urogenital area and chest, but is extremely rare in the respiratory system. We report a case of a fibroepithelial polyp in the bronchus, which was treated with a bronchoscopic excision, with a brief review of the relevant literature.

• Tuberculosis and Respiratory Diseases
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• v.61 no.2
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• pp.157-161
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• 2006

A 70-year-old man was referred to the department of pulmonology due to blood tinged sputum and an abnormal chest X-ray. The chest X-ray and CT scans revealed a lobulated contour mass-like lesion in the left upper lung field. The bronchoscopic examination showed a whitish and polypoid mass occluding the left upper lobe bronchus. A biopsy specimen from the lesion revealed many aspergillus hyphae. Intravenous and oral itraconozole were administered over a 4 weeks period. Several months later, the size of the mass on chest X-ray increased and a percutaneous lung biopsy revealed a sarcomatoid carcinoma. We reported a case of lung cancer that was obscured by an endobronchial aspergilloma with a review of the relevant literature.

• Tuberculosis and Respiratory Diseases
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• v.53 no.2
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• pp.216-220
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• 2002

A 43 years old woman with a previous history of healed tuberculosis presented with a recurrent hemoptysis. On a bronchoscopy inspection, three nodular shaped mass-like lesions (0.5cm in diameter) were found on the right lower lobar bronchus. Massive hemoptysis occurred when the specimen were taken during bronchoscopy. The bleeding could not be controlled by non-surgical treatment. Consequently, she underwent a right lower lobectomy in order to control the bleeding. The patient died of respiratory failure 3 days later. A bronchoscopic biopsy revealed an abnormal blood vessel just beneath the bronchial respiratory epithelium.

• Tuberculosis and Respiratory Diseases
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• v.43 no.5
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• pp.792-797
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• 1996

A 59-year-old woman was admintted to the hospital because of intermittent fever and right side chest pain. She has a same episode eight months before this entry. Chest CT scan demonstrated ill-defined parenchymal consolidation containing dilated bronchi of right lower lung field, but no endobronchial mass in the bronchial trees. Fiberoptic bronchoscopy seeking the cause of recurrent pneumonia revealed a small, round mass nearly completely obstructing me lumen of basal segmental bronchus of right lower lobe. The diagnosis of bronchiolar papilloma was made from the biopsy specimens of the bronchoscopic examination. The patient was treated with right lower lobectomy because of irreversible secondary changes below the obstructed bronchus. This thoracotomic excision resulted in complete relief of symptoms and the postoperative course was uneventful for 12 months. Here we report a extremely rare umor with a brief review of literatures.

• Journal of the Korean Society of Radiology
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• v.82 no.5
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• pp.1304-1309
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• 2021

Undifferentiated pleomorphic sarcoma (UPS) is a high-grade soft tissue sarcoma that arises from mesenchymal tissue. Primary UPS of the small intestine is extremely rare, and only a few cases have been reported in the literature. Its presentation is usually nonspecific; however, it may occasionally present as intussusception with intermittent abdominal pain. It is a highly aggressive tumor with a propensity for early distant metastasis to the peritoneum, lymph nodes, other abdominal organs, lungs and brain. To our knowledge, there are no reported cases of endobronchial metastasis from small intestine UPS. We report a rare case of UPS of the small intestine with endobronchial metastasis presenting as intussusception.

• Tuberculosis and Respiratory Diseases
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• v.65 no.4
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• pp.313-317
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• 2008

Lipoma is a common neoplasm in soft tissues. However, an intrapulmonary lipoma is a rare benign tumor. Patients with a bronchial lipoma might have a malignant potential related to their smoking history due to the case reports of lung cancer accompanied with lipoma. Endobronchial lipoma can cause irreversible parenchymal lung damage if not diagnosed and treated early. Therefore, it should initially be treated by fiberoptic bronchoscopy or surgery depending on the status of distal parenchymal lung damage. Bronchiolitis obliterans with organizing pneumonia (BOOP) is a pathological syndrome that is defined by the presence of buds of granulation tissue consisting of fibroblasts and collagen within the lumen of the distal air spaces. BOOP is caused by drug intoxication, connective tissue disease, infection, obstructive pneumonia, tumors, or an unknown etiology. We encountered a 58 year-old male patient with endobronchial lipoma, causing the collapse of the right middle and lower lobes, and BOOP due to obstructive pneumonia.

• Tuberculosis and Respiratory Diseases
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• v.50 no.5
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• pp.591-598
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• 2001

Background : Primary adenoid cystic carcinoma arising in the bronchus is an uncommon disease that is histologically and ultrastructurally identical to the salivary gland tumor of the same name and regarded as a slow growing low-grade malignancy. We examined its clinical characteristics. Method : We collected 13 Korean cases of primary adenoid cystic carcinoma arising in the bronchus including 5 cases of our own and 8 cases from the literature. Result : The patients ages ranged from 20 to 74. Men numbered 9 and women 4. The presenting symptoms were cough, dyspnea, and hemoptysis. The fiberoptic bronchoscopic findings were primarily hypervascular polypoid mass with a smooth surface that obstructed airway totally or near totally. There were three inoperable cases including two cases with distant metastasis to bone or cervical lymph node and one case with mediastinal invasion. The remaining 10 patients underwent surgical resection. Among them, two patients received postoperative radiotherapy. The median survival was 21 months in the 8 surgical and evaluable cases. One patient lived 13 years without recurrence. The prognosis was relatively favorable in operable cases. Conclusion : It was not common for primary adenoid cystic carcinoma arising in the bronchus to have distant metastasis or invasion to the mediastinum on presentation. The prognosis was relatively favorable in operable cases. It would be important to perform flexible bronchoscopy for early diagnosis and to do surgical treatment if possible.

• Tuberculosis and Respiratory Diseases
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• v.61 no.5
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• pp.484-489
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• 2006

A primary pulmonary leiomyosarcoma is a very rare pulmonary malignancy that arises from smooth muscle of either the bronchial or arterial walls. Common symptoms of the tumor are cough, dyspnea, chest pain and hemoptysis. The diagnosis of a primary pulmonary sarcoma can be established only after extensive clinical and radiologic examinations have failed to identify an alternative primary source. The only effective treatment for the tumor is a complete surgical resection when feasible. The type of resection is dictated by the local anatomic extent of the tumor. We report a case of a 21-year-old male with a primary endobronchial leiomyosarcoma who presented with massive hemoptysis. A necrotic ulcerative endobronchial lesion was observed in the orifice of left lower lobe bronchus on a bronchoscopic examination. He was treated with a complete sleeve resection of the left lower lobe. Three months later, local recurrence of the tumor was noticed on the follow up bronchoscopy and a then left pneumonectomy was then performed. Fifteen months later, the patient died from empyema with a bronchopleural fistula that was associated with tumor recurrence at the stump of the pneumonectomy.

• Journal of Chest Surgery
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• v.39 no.1 s.258
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• pp.76-79
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• 2006

Primary malignant melanoma of the lung is extremely rare. A 46-year-old lady was admitted with two month history of dry cough and blood-tinged sputum. Chest CT showed 4.5 $\times$ 5.0 cm sized mass at the right lower lobe. Repeated bronchoscopic and percutaneous biopsies showed no definite diagnosis. Preoperative evaluations revealed no systemic metastais. So, we tried the surgical approach. Right lower lobectomy and lymph node dissection was done. The mass and lymph node were confirmed as primary malignant melanoma. The patient presented with right hemiparesis 40 days after operation. Brain MRI showed 1.5$\times$2.0 cm sized mass lesion on the left parietal lobe. Mass excision was done. However, she expired 8 months later.