• Archives of Plastic Surgery
• /
• 제43권3호
• /
• pp.284-287
• /
• 2016

Epithelioid hemangioendothelioma (EHE) is a well-differentiated and rare vascular tumor. Systemic metastases are uncommon. Herein, we present a patient with skin metastasis of pulmonary EHE (PEH) that was treated by wide excision. A 76-year-old male was evaluated due to pulmonary thromboembolism and a solitary pulmonary nodule. A biopsy was performed and pathological examination of the mass confirmed EHE. No metastasis was observed. The patient returned to care approximately two years later due to a painful nodule in the right lower leg. A skin biopsy showed metastatic EHE from the lung. We used a safety margin of 1 cm based on clinical experience, because no prior case had been reported regarding the resection margin appropriate for primary cutaneous EHE and skin metastases of PEH. At four months after surgery, the patient recovered without complications or recurrence. Skin metastasis of PEH is extremely rare, and only two cases have been reported in the literature. In this case, we report a rare case of PEH with histologically diagnosed skin metastasis that was successfully treated by curative resection. It is expected that this case report will provide a helpful contribution to the extant data regarding PEH metastases.

• Journal of Digestive Cancer Research
• /
• 제6권2호
• /
• pp.73-77
• /
• 2018

췌장암으로 진단된 70세 여자 환자가 유문보존 췌십이지장 절제술 및 5-fluorouracil 동시항암화학요법으로 치료받았다. 수술 후 병리학적으로 pT3N0 (stage IIA)의 췌장선암이 확진되었다. 14개월 뒤 복부 전산화단층촬영에서 10 mm 크기의 단일 간 재발 병소가 간 3번 분엽에서 발견되었다. Gemcitabine 12주기 및 capecitabine plus oxaliplatin 9주기 항암치료를 시행했으나 전이병소는 27mm로 크기가 증가하였다. 이에 간 3번 분엽의 종양절제술을 시행하였다. 종양절제술 시행 25개월 뒤 흉부 전산화단층촬영에서 23 mm 크기의 단일 공동성 폐결절이 발견되었고, 조직검사에서 전이성 선암으로 확인되었다. 환자는 두 차례의 정위적 체부 방사선 치료 후 질병의 진행 없이 진단 후 6년 이상 장기 생존 중이다. 본 증례를 통해 수술 후 단일 간 전이 혹은 폐 전이가 발견된 일부 환자들에서 수술적 절제를 비롯한 국소 치료가 장기생존에 도움이 될 것으로 사료된다.

• Journal of Preventive Medicine and Public Health
• /
• 제29권3호
• /
• pp.471-482
• /
• 1996

Early recognition of coalescence in pneumoconiotic lesions is important because such coalescence is associated with the respiratory symptoms and deterioration of lung function. This complicated form of pneumoconiosis also has worse prognosis than does simple pneumoconiosis. High resolution computerized tomography(HRCT) provides significant additional information on the stage of the pneumoconiosis because it easily detects coalescence of nodules and emphysema that may not be apparent on the simple radiograph. The purpose of this study is to clarify the role of HRCT in detection of large opacity and the relationship of change between the coalescence of nodules or emphysema and lung function in dust exposed workers. 1. There was good correlation between the HRCT grade of pneumoconiosis and ILO category of profusion. 5(9.09%) in 55 study population had confluent nodule extending eve, two o, more cuts on HRCT. HRCT could identify the pneumoconiotic nodules which was not found by simple radiogrphy in 6 workers with category 0/0. 2. No significant difference was observed coalescence of nodules and emphysema by dust type. 3. There was no significant difference in pulmonary function according to ILO and HRCT classification. 4. HRCT could detect the significant reduction in $FEV_1,\;FEV_1/FVC$, PEFR, $FEF_{25},\;FEF_{50},\;and\;FEF_{75}$ and remarkable increase in RV and TLC in study persons with emphysema compared with non-emphysema group. 5. Emphysema was found more often in nodules-coalescence group than small opacity group by HRCT. We found that HRCT could easily detect areas of coalescence and complicated emphysema compared to plain chest X-ray. Also our data suggest that it is primarily the degree of emphysema rather than the degree of pneumoconiosis that determines the level of pulmonary function.

• Tuberculosis and Respiratory Diseases
• /
• 제80권4호
• /
• pp.368-376
• /
• 2017

Background: A ground-glass nodule (GGN) represents early-stage lung adenocarcinoma. However, there is still no consensus for preoperative staging of GGNs. Therefore, we evaluated the need for the routine use of positron emission tomography/computed tomography (PET)/computed tomography (CT) scans and brain magnetic resonance imaging (MRI) during staging. Methods: A retrospective analysis was undertaken in 72 patients with 74 GGNs of less than 3 cm in diameter, which were confirmed via surgery as malignancy, at the Samsung Medical Center between May 2010 and December 2011. Results: The median age of the patients was 59 years. The median GGN diameter was 18 mm. Pure and part-solid GGNs were identified in 35 (47.3%) and 39 (52.7%) cases, respectively. No mediastinal or distant metastasis was observed in these patients. In preoperative staging, all of the 74 GGNs were categorized as stage IA via chest CT scans. Additional PET/CT scans and brain MRIs classified 71 GGNs as stage IA, one as stage IIIA, and two as stage IV. However, surgery and additional diagnostic work-ups for abnormal findings from PET/CT scans classified 70 GGNs as stage IA, three as stage IB, and one as stage IIA. The chest CT scans did not differ from the combined modality of PET/CT scans and brain MRIs for the determination of the overall stage (94.6% vs. 90.5%; kappa value, 0.712). Conclusion: PET/CT scans in combination with brain MRIs have no additional benefit for the staging of patients with GGN lung adenocarcinoma before surgery.

• Tuberculosis and Respiratory Diseases
• /
• 제38권2호
• /
• pp.143-154
• /
• 1991

Pneumconiosis is a sort of pulmonary fibrosis consequent to the inhalation of the respirable dusts. Thus, the pathogenesis of silicosis have concentrated largely on the early response of alveolar macrophage and the later fibroblastic stimulation. But the role of the other cells and continuing cell injury in the pathogenesis has not been fully studied. And the chemical factors such as prostaglandin, fibroblast stimulating factor and inhibiting factor and chemotaxin are also participated in the mechanism of pulmonary fibrosis in silicosis. In order to clarify the role of alveolar cells and prostaglandin, we investigated the changes of the cellularities in bronchoalveolar lavage fluid and tissue pathology in the experimental silicosis with the time sequence. The experimental animals were divided into 3 groups; control group received only intratracheal injection of 0.5 ml saline, silica group received the intratracheal instillation of 40 mg silica with the same amount saline, and aspirin group received 450 mg/kg of aspirin after silica instillation. The results were as follows: 1) The total cells of bronchoalveolar lavage fluid in the silica group markedly increased in comparison with the control group, but there was no significant difference between the silica and aspirin groups. 2) The percentages of alveolar macrophages to the total number of cells in the silica group tended to be lower than those in the control group and also lower than those in the aspirin group at the 1st week after silica instillation. 3) The percentages of neutrophils to the total number of cells in the silica group were significantly higher than those in the control group during the entire period and also higher than those in the aspirin group at the 3rd day after silica instillation. 4) In the silica group, the percentages of lymphocytes to the total number of cells were increased 143 progressively with the time course and those were significantly higher than those in the control group from the 3rd week after silica administration. There were marked differences of lymphocyte percentages between the silica and aspirin groups at the 1st week after silica instillation. 5) The inflammatory change was observed in the rat lung at the 1st day after silica instillation. Also the silicotic nodule appeared in the silica group at the 1st week but we could not find out that nodule in the aspirin group at that time. The fibrotic changes in the rat lung tended to be increased progressively with the time course, therefore, the diffuse fibrotic pattern appeared in the whole field at the 20th week after silica instillation. 6) By the electron microscopy, there were gradual increases of phagosomes and vacuoles in the alveolar macrophage in the silica group as compared with the control group. These results suggest that the neutrophils and the lymphocytes have also participated in the pulmonary fibrosis even though the alveolar macrophage has a major role, and prostaglandin mediate the inflammation and pulmanary fibrosis in the experimental silicosis.

• Journal of Chest Surgery
• /
• 제55권1호
• /
• pp.10-19
• /
• 2022

Background: According to the eighth TNM (tumor-node-metastasis) staging system, the presence of separate tumor nodules in the same lobe is designated as a T3 descriptor. However, it remains unclear whether adjuvant chemotherapy confers survival advantages in this setting. Methods: We retrospectively identified 142 pathologic T3N0M0 patients with additional pulmonary nodules in the same lobe from a single-institutional database from 2004 to 2019. The main outcomes were overall survival and recurrence-free survival. Multivariable Cox regression was used to identify the benefit of adjuvant chemotherapy while adjusting for other variables. Results: Sixty-one patients received adjuvant chemotherapy (adjuvant group) and 81 patients did not receive adjuvant therapy after surgery (surgery-only group). There were no demonstrable differences between the 2 groups regarding hospital mortality and postoperative complications, indicating that treatment selection had not significantly occurred. However, the use of adjuvant chemotherapy was associated with improved 5-year overall survival (70% vs. 59%, p=0.006) and disease-free survival (60% vs. 46%, p=0.040). A multivariable Cox model demonstrated that adjuvant chemotherapy was associated with a survival advantage (adjusted hazard ratio, 0.54; p<0.001). In exploratory analyses of subgroups, the effect of adjuvant chemotherapy seemed to be insufficient in those with small main tumors (<4 cm). Conclusion: Adjuvant chemotherapy was associated with better survival in T3 cancers with an additional tumor nodule in the same lobe. However, the role of adjuvant chemotherapy in patient subgroups with small tumors or those without risk factors should be determined via large studies.

• Clinical and Experimental Pediatrics
• /
• 제52권8호
• /
• pp.904-909
• /
• 2009

목적 : 암환자들은 암의 재발여부를 추적관찰 하기 위해 다양한 영상검사들을 시행하고 있다. 이러한 환자들의 흉부 방사선 추적검사에서 결절이 발견되는 경우에는 종양의 폐전이를 의심하는 것이 일반적이다. 그러나 다른 질환, 특히 우리나라에서 유병률이 높은 폐결핵도 감별해야 한다. 본 연구는 소아암 환자의 흉부 방사선 추적검사 도중 암의 전이로 오인된 폐결핵의 빈도와 그 임상양상을 분석하고자 하였다. 방법 : 2001년 1월부터 2007년 6월까지 원자력병원에서 암으로 진단된 18세 이하의 소아 환자 422명을 대상으로 하였고, 후향적으로 의무기록을 고찰하여 치료 과정 및 치료종결 후 추적관찰 중 암의 폐전이와 폐결핵이 발병한 경우를 찾아내어 그 임상 양상을 분석하였다. 결과 : 수술 후 암으로 오인된 폐결핵은 5례였다. 이들 5명 환자에서 2명은 기침과 가래 등의 호흡기 증상이 있었으며, 나머지는 특별한 소견이 보이지 않았다. 5명 모두 열, 체중 감소, 쇠약감 등의 전신증상은 관찰되지 않았다. 가족 내 결핵의 가족력을 가지고 있었던 경우는 1례 였고, 조직 항산성 염색을 시행하였는데, 이 중 1례가 결핵균 양성으로 드러났고 나머지 4례는 음성이었다. 결핵 피부반응검사 상 양성으로 나온 경우는 2례였으나 객담 검사는 모두 음성이었다. 비정형결핵과의 감별을 위하여 환자들의 폐병변 조직을 얻었으며 이것으로 Tb PCR 시행한 결과, 1례에서 양성소견이 관찰되었다. 5례 중 4례는 폐병변이 모두 폐결핵으로만 드러났으나 1 례는 특이하게도 폐결핵과 폐 전이가 병발하였다. 이 환자는 이후 종양이 재발해 사망하였다. 결론 : 소아암의 기저질환을 가지고 있었던 환자에 있어서 치료 과정 중 또는 추적 관찰 중 새로이 발견된 폐의 종괴를 진단할 때는 결핵의 가능성도 고려하여야 한다.

• Tuberculosis and Respiratory Diseases
• /
• 제63권3호
• /
• pp.268-272
• /
• 2007

결핵성 흉수에는 결핵 단백에 감작된 T-림프구 가 존재하며 결핵 단백이 흉수에 노출되는 경우 지연성 과민 반응이 일어나 결핵성 흉막염이 발생하게 되는 것으로 알려져 있다. 저자들은 고립성 폐결절이 우연히 발견된 52세 남자에서 흉부전산화단층촬영 유도 하 경피적 바늘생검 후 결핵성 흉막염이 발생한 예를 경험하였다. 지연성 과민반응이라는 결핵성 흉수 발생기전에 부합하는 임상상황으로 생각하여 문헌고찰과 함께 보고한다.

• Journal of Chest Surgery
• /
• 제30권3호
• /
• pp.330-335
• /
• 1997

아스페르길루스 감염증은 드물기는 하지만 면역 억제된 상황에서는 비교적 잘 발생하며 치사율도 높은 것으로 알려져 있다. 경구 또는 정맥내 치료제가 있기는 하지만 합병증이 많고 장기간 사용해야 하기 때문에 치료효과는 크게 기대할 수 없는 경우가 많다. 따라서 환자에 따라서는 외과적 요법을 병행하여 치료효과를 높이는 방법도 사용하고 있다. 세종병원에서는 지금까지 실시한 15례의 심장이식환자중 2 례의 폐 아스페르길루스증을 경 험하였기 에 보고하는 바이다. 두 환자 모두 나이와 수술시기가 비슷하였 으며 수술후 약 3주후 외래에서 흉부 X-선상 폐병변을 발견하였다 경피적 천자생검상 Aspergillus fumigatus로 확인되어 정맥내 Amphotericin B와 경구용 Itraconazole을 병용한 항진균제요법을 실시하 였으며 두번째 환자는 병변이 우하엽에 국한되어 외과적 절제술을 병용하였다. 첫번째 환자는 이식후 14개월째 양호한 상태로 추적중이며 두번째 환자는 치료 완료후 3개월째 비세포성 거부반응으로 사망하였다.

• Journal of Yeungnam Medical Science
• /
• 제33권1호
• /
• pp.72-75
• /
• 2016

Pulmonary epithelioid hemangioendothelioma (PEH) is a rare, low-to-intermediate malignant tumor of endothelial origin. Computed tomography (CT) findings of PEH demonstrate multiple small bilateral nodules; however, to the best of our knowledge, there were no reports on PEH coexisting with other malignancies. Here, we reported on a case involving PEH in a patient with colon cancer and breast cancer which was misconceived as pulmonary meta- stasis. A 63-year-old woman who suffered from constipation for 2 weeks visited our hospital. Colonoscopy showed a large mass with obstruction on hepatic flexure. The histological diagnosis was adenocarcinoma of the ascending colon. Multiple nodules in both lungs and breast were observed on a chest CT scan. A core biopsy of a breast nodule was performed and a diagnosis of invasive ductal carcinoma of the left breast was made. Pulmonary nodules observed on the chest CT scan was considered as pulmonary metastasis from colon or breast cancer. Laparoscopic right hemicolectomy was performed. At the same time, wedge resection of the lung was performed and pathological diagnosis was PEH. Radiologic features of PEH were difficult to distinguish from lung metastasis. Therefore the author reported a rare case involving PEH in a patient with primary malignancy of colon and breast.