• Journal of Chest Surgery
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• v.16 no.1
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• pp.146-152
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• 1983

Hamartoma has been considered rare disease as a congenital malformation of a tumorous lesion since the original description by Albrecht in 1904. Pulmonary hamartoma is interesting to chest surgeon because of good result by surgical procedures and of slightly high incidence then another organs. It is characterized as lesion of very slow growing mass as peak incidence of age of 50 years age group and as sex ratio is 2:1. Especially endobronchial hamartoma is rarer than peripheral type. We had experienced a case of endobronchial hamartoma who has 53 years old male patient at right main bronchus and then treated by excision of tumor mass through right bronchotomy and preserving right lung except any lobectomy and pneumonectomy.

• Journal of Chest Surgery
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• v.23 no.6
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• pp.1244-1250
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• 1990

Hamartoma had been considered as a congenital malformation of a tumerous lesion since the original description by Albrecht in 1904. Pulmonary hamartoma is able to classified as endobronchial and intrapulmonary hamartoma clinically, and is considered to benign mesenchymal neoplasms which originated in peribronchial connective tissue, and so called mesenchymoma by someone. We have experienced 3 cases intrapulmonary hamartoma which were discovered during routine chest film check up at all cases and are able to detailed histologic examination by electron microscopy at one case.

• Journal of Chest Surgery
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• v.44 no.4
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• pp.307-310
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• 2011

Pulmonary hamartoma is one of the most common benign lung tumors. Well-known conventional methods of treatment for lung hamartomas include VATS enucleation or wedge resection, bronchoplasty, and others. Here we present a case of endobronchial hamartoma that was successfully treated with cryosurgery by flexible bronchoscopy.

• Journal of Chest Surgery
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• v.49 no.4
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• pp.302-305
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• 2016

A 16-year-old girl was transferred to the department of thoracic and cardiovascular surgery because of a spontaneous pneumothorax with prolonged air leakage. Chest computed tomography demonstrated a cystic lesion measuring $2{\times}3cm$ and involving the left upper lobe. Left upper lobectomy was performed via video-assisted thoracoscopic surgery. A pathologic examination of the specimen revealed a mesenchymal cystic hamartoma. Despite the rarity of pulmonary mesenchymal cystic hamartoma, it should be considered a potential cause of pneumothorax for patients with a large pulmonary cyst. Further, surgical resection must be considered because serious complications such as hemothorax, hemoptysis, and malignant transformation have been reported.

• Journal of Chest Surgery
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• v.15 no.2
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• pp.155-161
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• 1982

The term hamartoma was first used by Albrecht to describe what he considered to be localized errors of development involving one or more tissue native to the organ of origin. The definition was meant to encompass not only abnormal local growth rate, but also the spatial arrangement, relative proportions and degree of the component tissue. But lately the major conclusions are that this group of lesion is neoplastic than developmental in origin. The Importance of pulmonary hamartoma is that they are relatively common among the benign tumor of the lung, but they usually present as asymptomatic coin lesion on chest x-ray film and were find out In routine check up and frequently mimic clinically the more common lung tumor such as cancer. Recently, we have experienced three cases of pulmonary hamartoma which were all discovered during routine chest film check up for certificate of health and evaluation of other disease. All of these were surgically resected with good result. Among the operations, one of these was mass enucleation and the others were lobectomy of lung involved by the mass.

• Journal of Chest Surgery
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• v.9 no.2
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• pp.169-174
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• 1976

Since. its first description by Albrecht in 1904 that hamartoma (Greek. meaning "error" and "tumor")is tumor-like malformation characterized by abnormal mixture of normal constituent in any organ it arises, hamartoma involving the lung has assumed the following clinical features.: 1) all the pulmonary lesions presenting as "coin lesions", it occupies about 8% according to various reports. It also constitutes the most prevalent lesion of all the benign lung tumors, appearing in 0.25% of the general population. 2) Peak incidence of the lesion occurs in the 5th and 6th decade as the carcinoma patient do, and the occasional growing tendency and periperal location as in this presentation renders the differential diagnosis from the malignant disease difficult and surgical intervention inevitable for definite histological diagnosis and treatment. 3) Nearly all the clinical investigations such as history, physical exam, bronchoscopy, culture, and cytological exam of sputum sre likely to futile:the only tool for detecting the presence of the lesion is X-ray, butthat's short of telling the true nature of it. 4) Because of its age of presentation and growing tendency in middle-aged adult, it still controversial whether it is developmental anomaly as Albrecht described, or true neoplasm denovo of fibrous connective tissue origin. This is a case report of surgical experience of pulmonary hamartoma which had nearly all the typical clinical features above mentioned and was reviewed with related literatures.

• Tuberculosis and Respiratory Diseases
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• v.52 no.6
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• pp.645-650
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• 2002

Extraosseous pulmonary chondrosarcoma is rare neoplasm, which is characterized into two groups. One is termed a primary chondrosarcoma, and arise de novo (bronchial cartilage), the other is termed a secondary chondrosarcoma, and is superimposed on preexisting benign cartilagenous neoplasms, such as a chondroma or hamartoma. The preferred treatment is surgical resection. We recently experienced a secondary chondrosarcoma changed from a hamartoma. A 54-year-old woman was referred to our hospital because of an abnormal chest X-ray with mild dyspnea. We performed a percutaneous transthoracic needle biopsy and sputum examination. The abnormal mass had been diagnosed as a chondromatous hamartoma with active pulmonary tuberculosis, which had been treated with anti-tuberculosis regimens. Despite her medication, an abnormal mass had grown. Therefore, we undertook a pneumonectomy with chest wall reconstruction. Histopathologically, the mass was a grade II, dedifferenciated chondrosarcoma, with chronic granulomatous inflammation and necrosis. We suggest this case had changed from a chondromatous hamartoma to a dedifferentiated chondrosarcoma, with associated pulmonary tuberculosis. We report this case with a brief literature review.

• Journal of Chest Surgery
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• v.17 no.3
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• pp.470-474
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• 1984

33-year old female was admitted chest surgery department for evaluation of mild chest pain. Chest plain film showed right anterior mediastinal mass and small metastatic daughter mass ipsilateral side. Exploratory thoracotomy was performed 24th Aug. 83 revealed that small nodular parenchymal mass at right middle lobe and large cystic mass at anterior mediastinum which was connected with anterior mediastinal fat. Histological examination confirmed diagnosis as pulmonary hamartoma and thymic cyst individually. We successfully treated these two masses by wedge resection and excision. Although postoperative course was uneventful, the cause and associated relationship between two tumor origin were obscure.

• Journal of Chest Surgery
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• v.39 no.3 s.260
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• pp.240-243
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• 2006

Pulmonary hamartoma is a common benign tumor of the lung, but endobronchial hamartoma is a rare tumor. Although bronchoscopic rcemoval or removal by bronchotomy or sleeve resection with preservation of the lung may be possible, when irreversible lung damage has occurred because of chronic obstruction and pneumonitis, pulmonary resection may be indicated. We herein report a case of endobronchial hamartoma which was treated by left upper lobectomy. A 42-year-old female with 3-week history of cough and left chest pain visited our hospital. Bronchoscopy showed total occlusion of the orifice of the left upper lobe bronchus by a lobulated endobronchial tumor and bronchoscopic biopsy was failed due to bleeding. A left upper lobectomy was performed because of severe consolidation of the left upper lobe by chronic obstruction. The patient was discharged on postoperative 14th day.

• Journal of Chest Surgery
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• v.15 no.2
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• pp.162-168
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• 1982