• Journal of Chest Surgery
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• v.36 no.6
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• pp.422-426
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• 2003

Primary cardiac tumor has very low incidence, especially in cases of malignancy. A 29 year old male patient visited our cardiologic clinic for recent aggrevation of dyspnea on exertion and palpitation. Echocardiography showed a large tumor in the left atrium, which suggested the left atrial myxoma. Urgent open heart surgery was taken. The operative finding was fossa ovalis based a large tumor (35$\times$90$\times$50 mm) that invaded the posterior wall of LA and right superior pulmonary vein directly. The tumor was excised well by simple dissection, and the final pathologic report was malignant myxofibrosarcoma. His postoperative course was smooth and he was discharged in good health. Postoperative radiation and chemotherapy had taken with satisfactory clinical outcome.

• Journal of Chest Surgery
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• v.9 no.2
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• pp.311-314
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• 1976

This is a report of leiomyoma in the esophagus. patient had suffered from mild intermittent dysphagia on eating without any other complaints. This complaint had been going for 45 days, but was not progressed. The esophagogram revealed an ovoid walnut-sized smooth filling defect in the midportion of the esophagus. The mucosal folds of the esophagus were not destroyed. A benign intramural tumor of the esophagus, such as leiomyoma, was suspected with X-ray finding and clinical features. On Aug. 13, 1976 a thoracotomy was performed at right 4th intercostal space. A firm, irregular shaped mass in the wall of the esophagus was enucleated by blunt dissection without any injury of the mucosa of the esophagus. The diagnosis of leiomyoma was confirmed with histopathological finding. Postoperative course was uneventful.

• Journal of Chest Surgery
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• v.32 no.8
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• pp.768-771
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• 1999

A 45 year old man was admitted for further examination of an abnormal shadow of the right posterior mediastinum. The patient suffered from dysesthesia in the right thoracic wall of dermatome T7. CT scan and MRI revealed that two separate tumors had developed in the right paravertebral area linked to the vertebral canal via an intervertebral foramina. One-stage removal of the tumors were performed safely through the right posterolateral thoracotomy following the resection of the rib head and vertebral pedicle. The tumors were confirmed as histologically neurilemomas. The postoperative course was uneventful.

• Journal of Chest Surgery
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• v.33 no.1
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• pp.112-115
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• 2000

A-13-urar-old with a history of Alport syndrome had been suffering from progressive dysphagia and postprandial vomiting for over 7 years. Exophagogram and manoemtric studies were consistent with achalasia. Barum study demonstrated marked esophageal dilatation and smooth tapered narrowing of the distal esophagus. However in spite of the medical treatment including the injection of the distal esophagus. However in spite of the medical treatment including the injection of botulinum toxin at the lesion site using an endoscope symptom did not improved and he suffered growth failure and malnutrition. Esophagectomy and esophagogastrostomy were performed to relieve the dysphagia. A firm circumferential intramural mass about 7$\times$5$\times$5 cm was found in the distal esophagus. The lumen of the esophagus was markedly dilated and esophageal wall was hypertrophied. Histologic examination of the neoplasm revealed a rather ill defined tumor tissue consisting of interlacing or whirling spindle cells without significant mitosis and esophageal leiomyo-matosis was confirmed. The patient was discharged uneventfully.

• Archives of Plastic Surgery
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• v.33 no.1
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• pp.113-115
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• 2006

The sternalis muscle is an uncommon variation in the anterior chest wall which is located superficial to the pectoralis major, coursing vertically almost parallel to the sternum. It exists unilaterally or bilaterally, as thin muscle strips or a broad band of muscles. We report two cases of skin sparing mastectomy and immediate breast reconstruction in which the sternalis muscle was encountered. This unusual variation might puzzle radiologists to mistake it for a tumor or an abnormal bulging of the pectoralis. Surgeons also must not be surprised to encounter this muscle during surgery of the breast or pectoralis and keep the appropriate dissection plane.

• Journal of Chest Surgery
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• v.18 no.4
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• pp.800-805
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• 1985

Bronchogenic cysts are a congenital cystic lesion which are usually found within the lung parenchyme or mediastinum. Two cases of bronchogenic cysts were presented and related literatures were reviewed. The first case of bronchogenic cyst was located in the wall of the esophagus. Preoperatively, this case was thought duplication cyst of esophagus, but postoperative microscopic examination showed the tumor was a bronchogenic cyst with respiratory epithelium. The second case had double cysts; one in the superior and posterior mediastinum, the other in the lung parenchyme. The cyst in the mediastinum was extirpated and the other cyst in the lung was removed by right upper lobectomy. Postoperative course were uneventful in both patients.

• Asian Pacific Journal of Cancer Prevention
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• v.15 no.20
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• pp.9033-9038
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• 2014

Background: The purpose of this study was to assess the feasibility of deep inspiration breath-hold (DIBH) based volumetric modulated arc therapy (VMAT) for locally advanced left sided breast cancer patients undergoing radical mastectomy. DIBH immobilizes the tumor bed providing dosimetric benefits over free breathing (FB). Materials and Methods: Ten left sided post mastectomy patients were immobilized in a supine position with both the arms lifted above the head on a hemi-body vaclock. Two thermoplastic masks were prepared for each patient, one for normal free breathing and a second made with breath-hold to maintain reproducibility. DIBH CT scans were performed in the prospective mode of the Varian real time position management (RPM) system. The planning target volume (PTV) included the left chest wall and supraclavicular nodes and PTV prescription dose was 5000cGy in 25 fractions. DIBH-3DCRT planning was performed with the single iso-centre technique using a 6MV photon beam and the field-in-field technique. VMAT plans for FB and DIBH contained two partial arcs ($179^{\circ}-300^{\circ}CCW/CW$). Dose volume histograms of PTV and OAR's were analyzed for DIBH-VMAT, FB-VMAT and DIBH-3DCRT. In DIBH mode daily orthogonal ($0^{\circ}$ and $90^{\circ}$) KV images were taken to determine the setup variability and weekly twice CBCT to verify gating threshold level reproducibility. Results: DIBH-VMAT reduced the lung and heart dose compared to FB-VMAT, while maintaining similar PTV coverage. The mean heart $V_{30Gy}$ was $2.3%{\pm}2.7$, $5.1%{\pm}3.2$ and $3.3%{\pm}7.2$ and for left lung $V_{20Gy}$ was $18.57%{\pm}2.9$, $21.7%{\pm}3.9$ and $23.5%{\pm}5.1$ for DIBH-VMAT, FB-VMAT and DIBH-3DCRT respectively. Conclusions: DIBH-VMAT significantly reduced the heart and lung dose for left side chest wall patients compared to FB-VMAT. PTV conformity index, homogeneity index, ipsilateral lung dose and heart dose were better for DIBH-VMAT compared to DIBH-3DCRT. However, contralateral lung and breast volumes exposed to low doses were increased with DIBH-VMAT.

• Journal of Chest Surgery
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• v.42 no.3
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• pp.404-407
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• 2009

A 43-yr-old patient visited our department with intermittent chest pain he had suffered with for the past 2 months. Chest CT showed an egg shaped mass in the left chest wall. Local resection was performed for distinguishing the mass from a neurogenic tumor. The diagnosis was periosteal Ewing sarcoma of the rib. Since there was no evidence of metastasis based on the PET-CT, a 2nd operation was done with wide resection and thoracoplasty. The patient was then treated with combined chemotherapy. There has been no local recurrence for the fast 1 year. The patient's age and tumor origin were distinct from the usual characteristics of Ewing's sarcoma. Periosteal Ewing's sarcoma of the rib has rarely been reported. We report here on a case of periosteal Ewing's sarcoma of the rib along with a review of the relevant medical literature.

• Tuberculosis and Respiratory Diseases
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• v.63 no.2
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• pp.183-187
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• 2007

A glomus tumor is composed of modified smooth muscle cells that are similar to those of the glomus body. Its occurrence in the trachea is quite rare. To our knowledge, only 20 cases of glomus tumor of the trachea have been reported worldwide and there has been only 1 case in Korea. We report one case of a 58-year-old man with dyspnea who had a glomus tumor in the upper trachea with a review of literatures. The chest CT scan and bronchoscopy demonstrated a 2.5 cm sized lobulated tumor at the posterior wall of the upper trachea. It had an elongated shape with a broad base and with a highly vascularity. A simple resection of 3 levels of the trachearing was with a tumor and end-to-end anastomosis performed. Microscopic and immunohistochemical staining of the tumor revealed the characteristics of a glomus tumor.

• Journal of the Korean Society of Radiology
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• v.82 no.4
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• pp.1000-1004
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• 2021

Percutaneous transthoracic needle biopsy (PTNB) is a minimally-invasive procedure that is an indispensable tool for evaluating pulmonary lesions. Though extremely rare, tumor seeding of the pleura and chest wall can occur as a complication. Given that the breast is located anterior to the thorax, needle tracking through the breast is inevitable when PTNB is performed using the anterior approach. We describe tumor seeding of metastatic pulmonary ameloblastoma in the pectoralis muscle layer of the breast along the needle track of PTNB in a 51-year-old female presenting with a palpable lump in the right breast.