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Query: UMLS:C0242379 (lung cancer)
 71,905 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Four hundred and seventy nine primary lung cancers were typed according to the WHO histological classification. The character of the material and the methods of investigation are described. All patients had been subjected to mediastinoscopy and 313 patients had been operated upon. Nearly half of the tumours (48 per cent) was epidermoid carcinomas. Small cell anaplastic carcinoma occurred in 25 per cent and around two thirds of these were of oat cell type. Adenocarcinoma was found in 22 per cent and the acinar type predominated. Bronchiolo-alveolar carcinoma occurred in 1 per cent and large cell carcinoma in 3 per cent. Typing of biopsy specimens was made in 289 cases in which a positive biopsy had been obtained during the pretreatment period. The result of the biopsy typing was checked against that of the final one. In the total group the preoperative histological diagnosis tallied with the final one in 88 per cent. In patients who had been subjected to surgery the pretreatment diagnosis of the epidermoid carcinoma was correct in 86 per cent, that of small cell anaplastic carcinoma in 92 per cent and that of adenocarcinoma in 100 per cent. The consistency was also high in the category of patients not subjected to surgery. Despite their critical attitude towards the delimitation of epidermoid carcinoma in the WHO-classification the present authors find it to be a reliable guide to routine typing of lung cancer.
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PMID:Histological typing of lung cancer. Application of the World Health Organization classification to 479 cases. 18 6

Age-adjusted mortality from lung cancer rose rapidly in both males and females in Hong Kong from 1960-1972. The relative frequency of epidermoid carcinoma increased in male bronchial biopsies but not in lung biopsies, resections, or autopsies; there was a decline in small-cell anaplastic carcinoma. In both males and females the ratio of Kreyberg Group I (epidermoid and small-cell anaplastic) to Group II (adenocarcinoma and carcinoid) tumours did not increase, despite an 80% rise in mortality from lung cancer. Adenocarcinoma was the most common type in females, despite the high mortality from lung cancer. It is speculated that cigarette smoking might produce a different pattern of histological types among Hong Kong Chinese, or that additional aetiological factors may be operating there.
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PMID:Lung cancer in Hong Kong Chinese: mortality and histological types, 1960-1972. 18 93

A 57-year-old man was admitted to our hospital for further investigation of an abnormal shadow in his chest X-ray. He had cafe-au-lait spots and multiple subcutaneous neurofibromas and was diagnosed as having von Recklinghausen's disease. Bronchofiberscopy was performed, but an adequate specimen was not obtained. Therefore, percutaneous needle biopsy was performed, and the specimen showed poorly-differentiated adenocarcinoma. The left subclavian artery was deviated on aortography, therefore, neoadjuvant chemotherapy with CDDP & VDS was performed. He subsequently underwent left upper lobectomy. Pathologically, the tumor cell showed necrosis and scarring. Including this case, there have been 11 reports of von Recklinghausen's disease associated with lung cancer in the Japanese literature. Adenocarcinoma was observed in 72.9% of cases, and poorly-differentiated tumor was observed in 7 out of 8 patients with distinct tumor differentiation.
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PMID:[A case of lung cancer in a patient with von Recklinghausen's disease]. 160 62

The aim of this study was to evaluate the prognosis for surgically treated young patients with primary lung cancer, a prognosis generally considered to be very poor. Eighty-two patients less than 40 years of age were operated on at Marie-Lannelongue Hospital between 1982 and 1990. There were 72 male and 10 female patients. Ten patients (12%) had never smoked, whereas 48 patients (59%) had smoked for more than 20 pack-years. The lung cancer was asymptomatic in 27 patients (33%) and symptomatic in the others. Adenocarcinoma was found in 42% of the patients, epidermoid carcinoma in 28%, mixed cell carcinoma in 16%, small cell carcinoma in 8.5%, and undifferentiated large cell carcinoma in 6%. Among the 69 resected tumors, 22 were stage I, ten were stage II, 32 were stage IIIa, and five were stage IIIb. The resection was considered complete and curative in 56 patients (68%) and noncurative in 26 (32%) either because of an incomplete resection (12 in stage IIIa; 1 in stage IIIb) or because of an exploratory thoracotomy only (13). The overall actuarial 5-year survival rate was 41%, and the actuarial 5-year survival for patients who had a complete resection was 56%. The actuarial 5-year survival rates were as follows: patients in stage I, 70%; stage II, 54%; stage IIIa, 28%; stage IIIb, 0%; and patients having exploratory thoracotomy only, 18%. These survival rates are similar to those of patients older than 40 years with similar stages of disease.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Primary lung cancer in young patients: a study of 82 surgically treated patients. 845 65

To evaluate the clinical significance of monoclonal antibody against human pulmonary surfactant apoprotein (S-AP), surgically resected lung cancer from 122 patients was studied. Paraffin embedded tissues were used for the immunohistochemical study by the avidin-biotin-peroxidase complex method. The results were as follows. 1. Adenocarcinoma showed highest immunoreactivity for S-AP compared to the other histologic types. Among subtypes of adenocarcinoma, type II alveolar epithelial type, clara cell type and mixed type of these two types were strongly positive (100%, 77.8% and 66.7% respectively). These results indicate that this antibody may be a good marker for the subtyping of adenocarcinoma. 2. There were some positive cases in other histologic types especially in peripheral type of squamous cell carcinoma. These findings suggest that this antibody was useful for the histological differentiation of lung cancer. 3. As to the immunohistochemical reactivity there was a good correlation between tissue and cytological specimens, which indicate cytological studies may be adequate for this kind of histopathological studies. 4. In our study, there were no patients with S-AP positive carcinomas other than patients with lung cancer. These results indicate that this antibody could be used for the differential diagnosis between primary and secondary lung cancer.
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PMID:[Immunohistochemical study of lung cancer using monoclonal antibody against human pulmonary surfactant apoprotein]. 166 33

Lung cancer rates in Israel are lower than in other Western countries, not explainable by smoking habits. Due to the different relation of Squamous cell carcinoma (SqCC) and Adenocarcinoma (AC) with smoking it was of interest to study the histologic distribution in Israel. A total of 7508 histologically confirmed lung cancer cases among Jews were studied in the period 1962-82. SqCC was the leading tumor-type in Jewish men and AC in Jewish women. European-American born males in the last study period showed a decrease in SqCC rate while Asian-African born males showed a steep increase in SqCC rate, most prominent among the younger age-groups. Rates of AC increased in both, European-American and Asian-African males, but more steeply in the latter in most age-groups. Only for Large cell carcinoma were the overall rates higher in Asian-African than in European-American born males. SqCC increased in European-American born females and also steeply increased in the over 55 years old Asian-African born females. AC increased in European-American born females (both young and old), but only in the young Asian-African born females (decreasing in the older). European-American born Jews still have higher rates of both, more and less smoking related lung cancer histological types, than Asian-African born Jews. The steep increase in rates of some of the histological types in the latter with the pronounced increased in the younger age-groups is expected to cause a change in the ethnic rate-ratio which has already been demonstrated for the overall lung cancer rates.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Lung cancer histology in major ethnic groups among the Jews. Israel, 1962-1982. 170 14

Serum levels of soluble interleukin-2 receptors (sIL-2R), carcinoembryonic antigen (CEA), alpha-fetoprotein (AFP), beta-chorionic gonadotropin (beta-HCG), pregnancy-specific glycoprotein (SP1), and beta 2-microglobulin (beta 2M) were taken in 92 patients with primary lung cancer and 43 controls. The mean value of sIL-2R in the cancer group was twice as high as that of the controls (P less than 0.001) and the highest values were observed in those with small cell carcinoma (SCC) (P less than 0.0001). Of the cancer patients, 51.1% had CEA values higher than the cutoff level of 5 ng/ml. Extended-disease patients had a higher percentage of increased CEA values than those with limited disease. Adenocarcinoma (ADCC) and SCC groups had the highest percentages of increased CEA levels. There was no significant difference between the groups for beta-HCG, AFP, SP1, and beta 2M, and intermarker correlation was not seen. The results suggest that sIL-2R and CEA may be useful in monitoring the extent of disease and possibly indicate the histologic subtype, thus having a bearing on treatment and prognosis.
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PMID:Soluble interleukin-2 receptors and other markers in primary lung cancer. 171 23

The cell spreading ability of human lung cancer cells on collagen substrata was examined in comparison with normal human tracheal epithelial cells. Plastic dishes or multiwells were coated with type I, III or IV collagen gel at a concentrate of 200 micrograms/cm2. Ninety per cent of the normal cells were round on all collagens. Adenocarcinoma RERF-LC-MS and VMRC-LCD cell lines and squamous cell carcinoma VMRC-LCP cell line, which metastasize weakly after intrasplenic transplantation in nude mice, spread relatively poorly. Adenocarcinoma, A549 and SK-LU-1 and squamous cell carcinoma Calu-1 cell lines, which were highly metastatic to liver, spread well. Adenocarcinoma ABC-1 cell line, which is moderately metastatic to liver in nude mice, spread moderately. On type III collagen, three adenocarcinoma cell lines (A549, ABC-1 and VMRC-LCD) gradually started to contract after initial spreading and became round at 24 h. These results suggest that there may be a correlation between the degree of malignancy of human lung cancer cells and their spreading ability on collagen substrata, and that the cell spreading ability may be regulated by type III collagen in some lung cancer cells.
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PMID:The spread of human lung cancer cells on collagens and its inhibition by type III collagen. 175 82

The relationship between histological type and immunohistological findings was studied in total 141 cases of resected lung cancer. Adenocarcinoma was cytologically subtyped according to the ultrastructural findings. Immunohistochemical staining was performed on paraffin-embedding tissue using the avidin-biotin-peroxidase complex method for carcinoembryonic antigen (CEA), keratin, secretory component (SC), neuron specific enolase (NSE), lysozyme (Ly) and lactoferrin (La). Adenocarcinoma stained strongly positive with antibody against CEA and SC. There was no statistical difference among the different subtypes of adenocarcinoma, but in the cases of clara cell type, CEA staining was less intense and in goblet cell type, the intensity of SC staining was great. Goblet cell type characteristically stained positively with anti-Ly antibody, and Ly was a specific marker for differentiating adenocarcinoma of goblet cell type. La was positive not only in bronchial gland cell type, but also in other subtypes in adenocarcinoma. Squamous cell carcinoma showed more intense staining with anti-keratin antibody than other histological types. Small cell carcinoma extensively stained with anti-NSE antibody, but some of the other histological types also stained positively. NSE was a relatively good marker for small cell carcinoma but was not specific. It is concluded that immunohistochemical examination is a useful method for differentiation of different histological types of lung cancer.
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PMID:[Immunohistochemical findings in resected lung cancer]. 175 99

An 80-year-old man was admitted to our hospital with a complaint of insidious hearing loss and facial palsy. Chest X-ray film showed an abnormal shadow in the right lower lobe. Adenocarcinoma of the lung was diagnosed by transbronchial brushing cytology. During admission, headache and dysphagia appeared, although no abnormality was detected in the brain CT and MRI. Lumbar puncture yielded adenocarcinoma cells in the cerebrospinal fluid. A diagnosis of leptomeningeal metastasis from the adenocarcinoma of the lung was considered and intrathecal administration of methotrexate was performed. The patient's condition deteriorated gradually and he died of respiratory failure. Autopsy revealed massive invasion of tumor cells in the leptomeninges of the brain and spinal cord. This case illustrates that facial nerve palsy with insidious hearing impairment may appear as the initial symptoms in meningeal carcinomatosis resulting from lung cancer metastasis.
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PMID:[Insidious hearing loss and facial palsy as the presenting symptoms of meningeal carcinomatosis resulting from adenocarcinoma of the lung]. 175 49


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