PubMed Health⌕ Search

Biomedical subjects

S M Tong

Publications and source records attributed to S M Tong.

6 recordsLinked to original sources
PubMed2001

[Clinical X-ray analysis for 20 atypical lung cancer].

OBJECTIVE: To analyze clinical X-ray features of atypical lung cancer, expected to improve the diagnosis for atypical lung cancer. METHODS: To collect 20 cases with lung cancer from Jan. 1987 to Jan. 2000, those patients were diagnosed as pneumonia infiltration tuberculosis or lymphoma by X-ray and CT scanning firstly. To analyse retrospectly theses cases and contrast with operation and pathology. RESULTS: All patients were verified as lung cancer after following reexamine and by pathology. CONCLUSION: The cases with sigle pathy shadow in the lung fields could not exclude lung cancer when they had hemoptysis or had no typical pneumoma signs.

Adenocarcinoma↗
PubMed2001

[Spiral CT evaluation in diagnosis of endobronchial tuberculosis].

OBJECTIVE: To determine the value of spiral CT in diagnosis of endobronchial tuberculosis (EBTB) after analysing the spiral CT appearance. METHODS: Retrospective analysis of CT signs in 13 cases who were finally pathologically found suffering from EBTB via biopsy with bronchoscope. RESULTS: Five cases have signs of bronchial structure with obstructive atelectasis and pneumonia. Two cases have signs of irregular bronchial wall. Four cases have signs of scattering dot and patchy increase density in lung fields. Two cases' bronchi and lung tissues are normal. CONCLUSION: CT examination can determine the site and extent of EBTB and help the localization of bronchoscope.

Adult↗
PubMed2001

Distribution of polycyclic aromatic hydrocarbons in aerosols and dustfall in Macao.

Polycyclic aromatic hydrocarbons (PAHs), widespread environmental pollutants, have been measured in aerosols and dustfall in Macao. In this paper, we compare concentration distributions and determine the partitioning of PAHs in aerosols and dustfall for different areas, sampling times and sampling heights. The results demonstrate that the concentrations of sigmaPAHs in aerosols and dustfall vary at the different sites and heights. The concentrations of sigmaPAHs and most of the individual PAHs in aerosols at night were higher than those in the daytime when using the unit of microg/g and lower than those when using the unit of microg m(-3). It is shown that the distribution of individual PAHs in aerosols differs significantly from that in dustfall.

Aerosols↗