• Journal of Chest Surgery
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• 제33권2호
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• pp.195-198
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• 2000

Primary sarcomas of the pulmonary arteries are and the clinical presentation closely resembles several more common conditions, Therefore they are seldomly diagnosed preoperatively without a pathologic esxamination of sufficient surgical specimen. Treatment of these tumors remains primarily surgical as possible and the role of the adjuvant chemotherapy and radiotherapy is not yet evident We report a case of primary sarcoma of pulmonary artery clinically suspected of carcinoid partially involving the pulmonary parechyme and the bronchus mainly in the left main pulmonary artery and the vein with left intrapericardial pneumonectomy.

• Asian Pacific Journal of Cancer Prevention
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• 제15권18호
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• pp.7835-7838
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• 2014

Background: Neuroendocrine tumors have widespread and different clinical presentations and prognoses. This study was conducted to assess their survival time and prognostic factors in Iran. Materials and Methods: In a retrospective cohort study, 189 patients diagnosed of having neuroendocrine carcinoma were chosen. The tumor and clinical characteristics of the patients were modeled with a Cox proportional hazard approach. Survival was assessed using Kaplan-Meyer curves. Results: Crude median survival time was 30 months. Women survived longer than men (the median survival time for women was 40 and for men was 24 months). Age (<60 vs >60 years old with hazard ratio (HR) of 2.43, 95% CI 1.3-4.5), primary pathology report (carcinoid vs. others with HR 5.85 cm, 95% CI 2.4-14.3), tumor size cm (for 5-10, HR of 3.1, 95% CI 1.6 and for >10 HR of 8.2, 95% with 95% CI 3.1-21.9), and chemotherapy with single drug (taking vs. not taking with a HR 2.2, 95% CI 1.1-4.8) had significant effects on overall survival of patients. Conclusions: Survival time in patients with neuroendocrine carcinomas is related to demographics, clinical characteristics, tumor histology, and subtype specific treatment.

• Journal of Chest Surgery
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• 제55권2호
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• pp.101-107
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• 2022

Background: Spread through air spaces (STAS) has recently emerged as a prognostic factor in lung adenocarcinoma, but little is known about the association of STAS and its grade with recurrence in neuroendocrine tumors (NETs). This study investigated the prognostic effect of STAS grade in NETs after curative resection. Methods: Seventy-seven patients were retrospectively reviewed, including 9 with typical carcinoid (TC), 6 with atypical carcinoid (AC), 26 with large cell neuroendocrine carcinoma (LCNEC), and 36 with small cell carcinoma (SCC). STAS was defined as the presence of floating tumor cells within air spaces in the lung parenchyma beyond the edge of the main tumor. STAS was classified as grade 1 or 2 depending on whether it was found within or beyond one ×10 objective lens field away from the main tumor margin, respectively. Results: Fifty-four patients (70%) had STAS, including 22% with TC, 50% with AC, 69% with LCNEC, and 86% with SCC. Patients with STAS had more nodal metastasis, lymphatic and vascular invasion, tumor necrosis, and tumor subtypes other than TC. Among STAS cases, grade 2 STAS was present in 33% of AC, 78% of LCNEC, and 87% of SCC. The 5-year recurrence-free survival (RFS) rate was 81%, 63%, and 35% in patients with no STAS, grade 1, and grade 2 STAS, respectively. Multivariate analysis found that grade 2 STAS was an independent negative prognostic factor for RFS. Conclusion: Although STAS itself was not associated with a poor prognosis, grade 2 STAS was an independent negative prognostic factor for RFS.

• Journal of Chest Surgery
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• 제34권11호
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• pp.887-890
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• 2001

흉선에 발생하는 신경내분비 종양은 매우 드문 질환으로 재발이나 전이가 많아 예후가 좋지 못하다. 절반에서 내분비 증상을 보이며, 이 중 33%에서 쿠싱 증후군을 동반한다. 치료로는 수술적 절제가 우선이며, 방사선 치료나 항암치료는 아직 논란의 여지가 많다. 저자들은 쿠싱 증후군을 동반한 흉선의 신경내분비 종양 2례를 경험하였기에 문헌고찰과 함께 보고하는 바이다.

• 보험의학회지
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• 제32권1호
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• pp.21-27
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• 2013

In case of neoplasm claims, it is important to make a decision of differentiating malignant and benign. In Korean insurance market, there are many insurance products that cover cancer. In the insurance claims adjustment, differentiation between malignant and benign is according to histologic findings. However there are many neoplasms of bad clinical course in spite of benign histopathologic classification. In this article; astrocytoma, thymoma, gastrointestinal stromal tumor, colonic intramucosal carcinoma, gastric high grade adenoma/dysplasia, carcinoid tumor, MALT lymphoma, revision of Korean Classification of Disease-6th edition, and bladder tumors are reviewed in terms of differentiation between malignant and benign in the insurance claims. It may be helpful for claims staff to review important neoplasms in terms of differentiation between malignant and benign.

• 보험의학회지
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• 제24권
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• pp.27-42
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• 2005

Among medical claims review, decision of malignancy is very important. According to the pathologic report may be ordinary pathway. Some tumors are not completely studied especially malignancy. Wheather malignancy or benign is the important thing in medical claims review. We here disscuss on the debatable tumors such as carcinoid tumor, gastrointestinal stromal tumor (GIST), desmoid tumor, MALToma, and pseudomyxoma peritonei. Another controversial subject in the medical claims review is selection of pathologic report. If the result of the pathologic report is not same in one patient, We prefer the selsection of the report from more professional hospital. We have called this professional hospital l as "third hospital" or 'refferal hospital".

• 대한세포병리학회지
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• 제1권2호
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• pp.175-178
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• 1990

A case of metastatic adenoid cystic carcinoma of the lung, originated from the trachea, was diagnosed by fine needle aspiration. Although the cytologic features of adenoid cystic carcinoma have been well described, it is easy to confuse adenoid cystic carcinoma with more common primary small cell neoplasms of the lung, i.e., small cell carcinoma, well differentiated adenocarcinoma, and carcinoid tumor of the lung. The features distinguishing adenoid cystic carcinoma from these neoplasms include 1) tight, globular, honeycomb pattern of cells, 2) acellualr basement membrane material in the lumen, and 3) cells lacking true nuclear melding and having bland chromatin pattern. The morphologic feature of metastatic adenoid cystic carcinoma in this case was so distinctive as to permit a definite diagnosis by aspiration cytology.

• Journal of Chest Surgery
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• 제27권3호
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• pp.209-214
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• 1994

Lung cancer is one of the most disastrous of all the current cancers in Korea. In 1990 it was projected that there would be 5, 500 new lung cancer patients in Korea and that 5, 000 would die of their disease. This is a mortality rate of 91 percent. We reviewed the surgically treated 153 bronchogenic cancer patients from January 1987 to December 1991 in St. Mary`s Hospital of Catholic University Medical College. There were 121 men and 32 women ranging in age from 18 to 83 years, with a mean of 56 years. Of the 153 patients, resection was possible in 138 patients and the resectability was 90.1 percent. Squamous cell carcinoma was present in 48 percent of patients, adenocarcinoma in 29 percent, adenosquamous carcinoma in 7 percent, large cell carcinoma in 6 percent, salivary gland tumor in 5 percent, and small cell carcinoma and carcinoid in 3 percent respectively. Postoperative cancer staging was grouped stage I 33 percent, stage II 21 percent, stage IIIa 35 percent, and stage IIIb 10 percent. Lobectomy was performed in 70 percent, pneumonectomy in 17 percent, and segmentectomy in 14 percent. Three and 5-year postoperative survival in resectable 138 patients were 47 and 29 percent respectively.

• Asian Pacific Journal of Cancer Prevention
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• 제15권5호
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• pp.2205-2210
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• 2014

Objective: To retrospectively review the clinical characteristics and analyze the prognostic factors of Chinese patients with pulmonary neuroendocrine tumors. Materials and Methods: The clinical data of 176 patients with pulmonary neuroendocrine tumors in Chinese PLA General Hospital from Mar., 2000 to Oct., 2012 were retrospectively analyzed. The parameters were evaluated by univariate and multivariate analysis, including the gender, age, smoking history, family history, TNM staging, localization (central or peripheral), tumor size, nodal status, histological subtype and treatment (operation or non-operation). Results: There were 23 patients with typical carcinoids (TC) (13.1%), 41 with atypical carcinoids (AC) (23.3%), 10 with large cell neuroendocrine carcinoma (LCNEC) (5.7%) and 102 with small cell lung cancer (SCLC) (57.9%). The median follow-up time was 64.5 months for AC, 38 months for LCNEC and 27 months for SCLC. The typical carcinoid censored data was 18 (more than 50% of the patients), so the median follow-up time was not obtained, and actuarial 5-year survivals for TC, AC, LCNEC and SCLC were 75.1%, 51.7%, 26.7% and 38.8%, respectively. COX univariate analysis revealed that the age (P=0.001), histological subtype (P=0.005), nodal status (P=0.000), treatment (P=0.000) and TNM staging (P=0.000) were the prognostic factors of the patients with pulmonary neuroendocrine tumors, whereas its multivariate analysis showed that only the age(P=0.001), TNM staging (P=0.002) and treatment (P=0.000) were independent prognostic factors. Conclusions: Radical surgery remains the treatment of choice, and is the only curative option. The age, TNM staging and treatment are confirmed to be the independent prognostic factors in multivariable models for pulmonary neuroendocrine tumors.

• 대한세포병리학회지
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• 제1권1호
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• pp.111-120
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• 1990

Small cell neuroendocrine carcinoma of the uterine cervix is a distinct subtype of cervical cancer that appears analogous to oat cell carcinoma and carcinoid tumors of the lung. It has been assumed to be derived from the neural crest via argyrophilic cells in the normal endocervix. We have recently encountered a case of small cell neuroendocrine carcinoma of the uterine cervix coexisting with adenocarcinoma which was argyrophil negative. A 66-year-old multiparous woman was admitted because of vaginal bleeding for 2 months. Cervicovaginal smear revealed several scattered clusters and sheets of monotonous small cells with some peripheral palisading in the background of hemorrhage and necrosis. Radical hysterectomy specimen revealed an ulcerofungating tumor on endocervical canal which was composed of two components. Major component of the tumor was made up of monomorphic population of small oval-shaped tumor cells arranged in sheets and partly in acinar structures or trabecular fashion. Other component was adenocarcinoma, endocervical well-differentiated type. Argyrophilia was present on the Grimelius stain and immunohistochemical studies revealed diffuse positivity to neuron-specific enolase and carcinoembryonic antigen. Electron microscopic examination showed clusters of small round to oval cells, which had a few well-formed desmosomes and several membrane-bound, dense-core neurosectetory granules.