• Journal of Chest Surgery
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• 제27권12호
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• pp.1056-1059
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• 1994

Small cell carcinoma is a highly malignant esophageal tumor composed of anaplastic small cells with features very similar to those of its pulmonary counterpart. The prognosis is poorer than that of squamous carcinoma of the esophagus because of its propensity of generalized spread and metastasis. Once the diagnosis of small cell carcinoma was established, surgery should be undertaken as early as possible. We have described an experience of small cell carcinoma of the lower esophagus in a 72 year old male patient with a review of the literatures regarding treatment methods and prognosis.

• Tuberculosis and Respiratory Diseases
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• 제41권2호
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• pp.171-175
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• 1994

Tumor of the trachea are uncommon. Trachea tumor are usually diagnosed late in their natural history, because the tracheal lumen may be extensively involved before symptoms occur, and because symptoms may be confused with those of asthma. Some 19% to 29% of the trachea tumor have laryngeal or lung malignancy. Squamous carcinoma is by far the most frequent among tracheal tumor, although adenocarcinoma and oat cell carcinoma have been described so. Oat cell carcinoma in the trachea are aggressive tumors as they are in the lung and elsewhere. Oat cell carcinoma as well as squamous cell carcinoma are related with tobacco exposure. We presented a case of small cell carcinoma nearly obstructing the trachea and right main bronchus which was partially removed after bronchoscopic ethanol injection, along with a review of the literature.

• Journal of Chest Surgery
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• 제32권8호
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• pp.757-760
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• 1999

59세 여자환자에서 매우 드문 기관의 소세포암을 치험하였기에 보고한다. 진단은 병리조직학적 소견 및 면역조직화학적 검사로 확진하였고, 외과적 절제후 보조적 항암요법을 한 뒤 호전이 있었으나 술후 6개월째 다발성 전이를 보이면서 사망하였다.

• Journal of Chest Surgery
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• 제29권8호
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• pp.923-926
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• 1996

식도 소세포암은 매우 드문 악성 종양으로 알려져 있다. 본 인제 대학교 부산백병원 흉부외과학교실에서는 식도에서 발생한 소세포암 1례를 수술 치험하였다. 68세된 남자로서, 술전 위내시경 조직검사에서 신경내분비종양이 의심되어 식도절제술 및 위-식도 문합술을 시행하였고, 술후 경과는 양호하여 합병 증없이 퇴원하였다.

• Journal of Chest Surgery
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• 제29권9호
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• pp.1031-1035
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• 1996

폐의 편평상피암종에서 기관지표면상피의 화생에 대해서는 많은 이들에 의해서 밝혀진 바 있지만 그 외의 다른 종류의 폐암과 연관된 기관지 표면상피의 변화에 대해서는 그 예가 많지 않고 소세포폐암종에 대해서는 더욱 그러하다. 한편 소세포암종의 조직학적 분류와그아형에 대해서 지난수십년 간많은 관심이 모아져 왔다. 이 종량의 아형을분류하는기본적인 근거는 그 형태학적 판정 기준에 있다. 1967년 WHO폐암종 분류법이 제긍된 이후 3여러 기관에서 SCLC의 임상경과나 치료에 대한 반응, 그 아형을 연구하였다. 1988년 IASLC에서는 소세포암종을 그 형태학적 구분으로 세가지 아형 : Small cell carcinoma (2) Mixed small cel1/1arge ceil carcinoma (3) Combined small cell carcinoma로 분류하고 예후와 치료에 대한 반응의 차이에 대해서 언급하였다. 최근 저자들은 68세 남자환자에서 소세포암종에서 국소적으로 편평양분화를 보이는 세포가 함께 혼합되어 있는 주종괴와 분리되 어서 존재하는 기관지 상피세포에 편평상피암종이 동반된 예를 전폐 절제 술을 하고 조직 검사상 경험하였기에 문헌고찰과 함께 보고하는 바이다.

• Journal of Chest Surgery
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• 제33권9호
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• pp.734-737
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• 2000

Background: McKeown first described two autopsy cases of esophageal small cell carcinoma (SMC) in 1952; about 230 cases have since been reported in the literature. Small cell carcinoma has been reported to account for 0.4% to 7.6% of all esophageal malignancies. SMC of the esophagus as regarded as having a poor prognosis with frequent systemic dissemination. Choice of treatment remains controversial. Material and Method: From August 1987 to December 1998, a review of the records and histologic sections of 8 patients with primary small cell carcinoma of the esophagus seen in 11 years was undertaken. Result: Small cell carcinoma of the esophagus constituted 1.5% of all esophageal cancers. The median age was 61.5 years(range from 42 to 71 years). Seven patients were male, tumor was mainly located in the middle and lower thirds(6 cases) of the esophagus. Pure SMC is 5 cases, and mixed SMC is 3 cases. Operative procedure were as follow: transthoracic esophagectomy with thoracic or cervical reconstructon in 7 patients, transhiated esophagectomy with cervical reconstruction in one. The operative death was none. Adjuvant chemotherapy was performed in 7 patients except one who had poor general condition. Recurrence was observed in 4 patients(mediastinal LN, abdominal LN, SCN, bone). The overall median survival was 15.9 months. Only one patient survived for more than 5 years. Conclusion: We considered that esophageal SMC should be regarded as a systemic disease, and multimodality treatment including chemotherapy should be used. Surgery may be offered in selected patients to manage local disease as part of a chemotherapy based treatment program.

• 대한세포병리학회지
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• 제7권1호
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• pp.44-50
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• 1996

Small cell carcinoma of the lung is characterized by cells with finely stippled chromatin and scanty cytoplasm as well as a particularly aggressive clinical course and favorable response to the chemotherapy. Recently percutaneous fine needle aspiration (FNA) biopsy has become both widely established and highly respected for the diagnosis of lung cancer. However metastatic small cell carcinoma of lymph node should be cytologically differentiated from the small round cell tumor of particular sites, especially malignant lymphoma, because small ceil carcinoma of classic oat cell type nay simulate small cell non-Hodgkin's lymphoma. We report five cases of metastatic small cell carcinoma of in-termediate cell type diagnosed by FNA of the enlarged lymph nodes of the neck and axilla. The cytologic smears contained diffuse small neoplastic cells larger than lymphocytes with dense, pyknotic nuclei and extremely scanty cytoplasm. Apparently viable large tumor cells have vesicular nuclei with granular, sometimes very coarse chromatin. The characteristic cytologic features of small cell carcinoma as compared to malignant lymphoma were as follows.: 1) small cells with dense pyknotic nuclei are evenly distributed in the background of apparently viable larger tumor cells, admixed with mature lymphocytes and phagocytic macrophages. 2) small loose aggregates of cells with nuclear melding are indicative of small cell carcinoma rather than non-Hodgkin's lymphoma. 3) the cytoplasmic and nuclear fragments of tumor necrosis are more dominant in the smears of small cell carcinoma. 4) nuclear membrane and nucleoli are generally indistinct in small cell carcinoma due to condensation of chromatin.

• 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.

• Journal of Chest Surgery
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• 제13권3호
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• pp.285-291
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• 1980

Post pneumonectomy empyema either with bronchopleural fistula or without bronchopleural fistula is an infrequent postoperative complication, but very serious and critical problem. But it is of some interest that the development of a postoperative empyema following resection for carcinoma of the lung might have a favorable effect on the survival of patients in recent speculation of the literature. We have experienced 4 cases of postoperative empyema following pneumonectomy for carcinoma of the lung at department of chest surgery, Yon Sei University, medical college during 11 years from Jan. 1968 to June 1980. Histologically, 3 cases were demonstrated squamous cell carcinoma except one oat cell carcinoma. Onset of postoperative empyema occurred over a wide range of time, from as early as the 5th postoperative day to insidious onset 6 months after pneumonectomy. The most common organisms isolated from the empyema cavities were staphylococcus aureus, pseudomonas aeruginosa and gram negative bacilli. All cases had a large number of organisms and more infections but not single infection. 2 out of 4 cases are treated with open pleural window drainage and irrigation with antibiotic`s solution 2 or 3 times per week by this time and postoperative general course is not eventful. One is alive to 2 years 3 months, another is alive to 8 years 11 months until now. And 2 out of 4 patients is survived over 4 years 10 months. Analysis of postoperative empyema complicating pneumonectomy for bronchogenic carcinoma revealed an increase in 4 year 10 months survival [50%].

• Asian Pacific Journal of Cancer Prevention
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• 제16권16호
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• pp.7031-7038
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• 2015

Background: Arginine may play important roles in tumor progression by providing ornithine for polyamine biosynthesis, required for cell growth. The aim of this work was to determine the expression of arginine metabolic pathway enzymes in head and neck squamous cell carcinoma (HNSCC) in northeast India. Materials and Methods: The expressions of arginase isoforms (ARG1 and ARG2), ornithine aminotransferase (OAT) and ornithine decarboxylase (ODC) were examined in fifty paired HNSCC and adjacent non-tumor tissues by immunohistochemistry. Immunocytochemistry, semiquantitative reverse transcription sq-PCR and quantitative real-time qPCR were used to assess protein and mRNA expressions in peripheral blood of fifty HNSCC patients and hundred controls. Results: ARG1 and ODC protein and mRNA were strongly expressed in peripheral blood from HNSCC patients. No ARG2 expression was observed. In vivo, expression of ARG1, ARG2 and ODC was significantly higher in tumor than in non-tumor tissues. Most tumors expressed low levels of OAT, with no difference in tissues or blood, compared to controls. The absolute extent of maximal ARG1 upregulation with qPCR showed 6.23 fold increase in HNSCC. Conclusions: These findings strongly suggest that in HNSCCs, the ARG1 pathway is stimulated leading to the formation of polyamines as indicated by higher ODC expression, which promote tumor growth.