• Archives of Plastic Surgery
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• v.32 no.1
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• pp.139-142
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• 2005

Atypical fibroxanthoma(AFX) is a tumor that occurs as a solitary and ulcerative nodule on actinically damaged or radiation damaged skin of the head and neck in the elderly. AFX is a pleomorphic spindle cell neoplasm of the dermis, which is a clinically benign reactive lesion despite of apparently malignant histologic features. We report a case of AFX which developed on the nasal root area of a 23-year-old man. This case is very unusual in terms of site(less sun-damaged area), overlying skin feature(grossly normal skin) and age(too young). This tumor was completely removed with surgical excision and remained free of recurrence for a period of about 1 year follow-up.

• Journal of Chest Surgery
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• v.28 no.12
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• pp.1178-1182
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• 1995

We experienced one case of endobronchial hamartoma on left lower lobar bronchus in sixty year old male patient. Less than 1 % of lung tumors are benign, and the prevalence of endobronchial hamartoma is reported to be from 3 % to 40 %. The mean age was 52.9 years, and equal gender prevalence.Symptoms were related to intraluminal growth, including fever, chill, productive cough, hemoptysis, exertional dyspnea, recurrent pneumonia and so on. Bronchoscopic finding was tumor present as polypoid mass in the lumen of a left main stem bronchus,distal to 3 cm from carina. Biopsy was done. The histopathologic pattern showed several nodules of loose myxoid tissue and islands of cartilage. We performed partial resection of the affected bronchus,1cm anterior to the superior segmental bronchial opening to just distal from superior segmental orifice. Including superior segmentectomy, partial resection of the left lower lobar bronchial resection and end-to-end anastomosis with 4-0 Poly dioxanone sutere materials interruptedly. We report this case with the brief review of literatures.

• Journal of Chest Surgery
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• v.36 no.4
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• pp.293-296
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• 2003

Elastofibroma, dorsi, a rare, noncapsulated benign entity is characterized by the proliferation of fibrous tissue with elastin and occurs most often in the infrascapular area of elderly women. It is a relatively slowly growing lesion and no reports of malignant transformation exist. Which is overlooked easily because it rarely causes symptoms such as tenderness, pain, or restriction of movement. The diagnosis of elastofibroma is established by typical histopathologic findings. Radiographic evaluation may lead to a presumptive diagnosis. We experienced a case of elastofibroma dorsi in a 48-year-old woman and report this case with a review of the literature.

• Journal of Chest Surgery
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• v.36 no.8
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• pp.623-626
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• 2003

Desmoid tumors are benign neoplasms with high rates of recurrence. A case of huge desmoid tumor of the intrathoracic and intraabdominal space is presented. The patient was treated with resection, which involved hepatic left lobectomy and diaphragmatic resection and partial pericardiectorny and wedge resection of left lower lobe of lung. The resulting defect over the pericarium and diaphragm was reconstructed by bovine pericardium and Marlex mesh. Prevention of presumed local recurrence of desmoid tumors requires wide excision margin.

• Journal of Chest Surgery
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• v.37 no.11
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• pp.933-936
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• 2004

Intravenous leiomyomatosis is a rare disease entity of benign smooth muscle invading into the lumen of veins. We describe a case of intravenous leiomyomatosis originating from the uterus, growing in the inferior vena cava, and extending into the right ventricle association with multiple pulmonary metastasis. A 53-year-old woman with chest discomfort and several times attacks of syncope was treated at our hospital. The tumor was successfully removed with moderate hypothermic cardiopulmonary bypass after total hysterectomy with a bilateral salphingo-oophorectomy, and multiple pulmonary metastasis under simultaneous sternotomy and laparotomy was confirmed.

• Korean Journal of Head & Neck Oncology
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• v.25 no.2
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• pp.160-162
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• 2009

Dermoid cysts are benign neoplasm that is derived from both ectoderm and mesoderm. They may be found at various sites of the body, but are extremely rare to occur in the lower neck. We present the case of a 22-year old woman with a midline cystic mass anterior to the cervical trachea. The mass was excised under local anesthesia. Histopathologically the diagnosis was confirmed as a dermoid cyst.

• Korean Journal of Head & Neck Oncology
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• v.33 no.1
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• pp.61-64
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• 2017

Lymphadenoma is a rare benign neoplasm of the salivary gland. Herein, we present a 67-year old woman with lymphadenoma in the parotid gland. Physical and radiologic examinations of parotid lymphadenoma are not specific and preoperative diagnosis is usually difficult. Therefore, clinicians should consider the possibility that lymphadenoma may occur in the parotid gland mimicking the other more frequently observed lesions.

• Journal of Physiology & Pathology in Korean Medicine
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• v.22 no.1
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• pp.209-211
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• 2008

Aggressive angiomyxoma is a rare neoplasm that arise from soft tissue of the perineum and usually affects young woman. It has a high risk of local recurrence due to infiltrative lesion. This tumor should be distinguished from benign and malignant tumor or tumor like lesion of the perineum. We experienced a case of an aggressive angiomyxoma on soft tissue of the vaginal wall in 43-year-old woman and reported it with a brief review of literature.

• Journal of Chest Surgery
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• v.31 no.1
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• pp.82-85
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• 1998

Benign tumors of the trachea are rare and are usually misdiagnosed as bronchial asthma because of the similarity of the symptoms and signs. Although the prognosis of neurofibroma which originats from Schwann cells is good, it may recur or undergo malignant change, so segmental resection of the trachea is recommended. Recently, we experienced a case of primary neurofibroma of the trachea treated successfully by segmental resection of the trachea and end-to-end anastomosis. We report it with a brief review of literatures.

• Korean Journal of Head & Neck Oncology
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• v.34 no.1
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• pp.33-36
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• 2018

Hyalinizing trabecular tumor (HTT) of the thyroid gland is a rare neoplasm and only less than 100 cases have been reported so far. It is characterized by hyalinizing stroma with trabecular growth pattern and has an indolent clinical course. Because of its histologic features, it is frequently misdiagnosed as papillary or medullary carcinoma in fine needle aspiration cytologic findings. The tumor is benign or low malignant potential and thyroid lobectomy is recommended for adequate treatment. We recently experienced a case of thyroidal HTT in a 57-year-old man, who presented with a right thyroid nodule that was suspicious of papillary carcinoma in aspiration cytology. We report the unique and rare disease entity with brief literature review.