Primary gastrointestinal non-Hodgkin's lymphoma in a population-based registry

Otter, R.; Bieger, R.; Kluin, Philip M.; Hermans, J.; Willemze, R.

doi:10.1038/bjc.1989.351

Cited by 108 publications

(53 citation statements)

References 20 publications

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“…These differences may have been associated with the difference in response to treatment and patient survival. A better prognosis for gastric lymphoma compared with other localizations has been described previously, 1,4,8,11,17,18,21,24,25 although several authors showed no difference in the prognosis between gastric lymphoma and intestinal lymphoma. 5,9,[13][14][15]19,20,22,23 Few publications have shown prognostic data on patients with both gastric and intestinal involvement.…”

Section: Discussionmentioning

confidence: 50%

Primary gastrointestinal lymphoma in Japan

Nakamura

Matsumoto

Iida

et al. 2003

Cancer

245

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Polymer particle agglomeration and melting causing sheet formation in fluidized bed reactors have been reported to occur during olefin polymerization. The cause of this deleterious sheet formation has not yet been established. Infrared and optical imaging were used to study the temporal temperature and size during polymerization of individual commercially active catalyst particles supported on a nylon mesh. Experiments conducted at 2100 kPa confirmed theoretical predictions that the temporal temperature rapidly attains a maximum after the start of the reaction. The magnitude of the temperature rise increases upon an increase of either reactor temperature, initial catalyst particle diameter, catalyst loading, or addition of hydrogen to the feed. The maximum transient temperature rise of single commercial catalyst particle during ethylene polymerization (7.5°C) is lower than that which can lead to local melting and polymer sheet formation. The temperature rise of particle clusters is much higher than that of individual particles, as the cluster acts as a particle with an effective diameter much larger than that of an individual particle. Thus, to circumvent polymer melting it is essential to avoid catalyst particles clustering, which may be caused by electrostatic attraction. The addition of hydrogen to the feed, often used to control polymer properties, significantly increased the initial particle temperature rise (almost double in some cases). © 2008 American Institute of Chemical Engineers AIChE J, 2008

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Section: Discussionmentioning

confidence: 50%

Primary gastrointestinal lymphoma in Japan

Nakamura

Matsumoto

Iida

et al. 2003

Cancer

245

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“…Patients with a digestive site discovered during staging investigations of a NHL were excluded from the study. The mesenteric localizations were considered to be primary intestinal NHL in accordance with the literature (Otter et al, 1989aWeingrad et al, 1982Dragosics et al, 1985).…”

Section: Materials and Methods Patientsmentioning

confidence: 83%

“…Only two population-based series of gastrointestinal nonHodgkin's lymphomas (NHL) have been described (Otter et al, 1989a;D'Amore et al, 1994). The …”

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confidence: 99%

A 15-year series of gastrointestinal non-Hodgkin's lymphomas: a population-based study

Ducreux

Boutron²,

Piard³

et al. 1998

Br J Cancer

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Summary Data from the Registry of Digestive tumours of the D6partement of Cote d'Or (France) were used to study the characteristics of gastrointestinal non-Hodgkin's lymphomas in the 1976-90 period. The mean annual age-standardized incidence rate was 0.94 per 100 000 for men, and 0.54 per 100 000 for women. Incidence varied little during the study period. Overall 5-year survival rate was 34.3 ± 5.6%.

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“…In our study the malignant lymphomas were not especially prone to disagreements with respect to histologic type. We ascribe this to the fact that the Netherlands Cancer Registry uses the ICD-0 and has developed special codes for the histology of malignant lymphomas (Otter, 1989).…”

Section: Discussionmentioning

confidence: 99%

Quality of cancer registry data: a comparison of data provided by clinicians with those of registration personnel

Schouten

Jäger²,

Brandt³

1993

Br J Cancer

107

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SummaryThe quality of cancer registry data is of great importance to the usefulness of a cancer registry. To investigate the quality of its data the IKL cancer registry (Integraal Kankercentrum Limburg) performed a study with the aim of comparing data supplied by clinicians with data collected by registration personnel.Twenty clinicians reabstracted the information of a random sample of about ten of their patients, who were diagnosed with cancer in 1989 or 1990. After coding, the information was compared with the contents of the cancer registry records.For comparison of agreement the information of 190 cases was available. The relative frequency of major disagreements was 0% for date of birth, 0% for gender, 5% for date of incidence, 6% for primary site, 2% for laterality, 2% for histologic type and 2% for behaviour code.In The clinician was asked to fill in a cancer registry form, that was developed especially for this study, for each of his patients. The form was accompanied by a comprehensive explanation. The collected items were date of birth, gender, date of incidence, primary site (to be completed in free text), laterality, histologic type (free text) and behaviour code (in free text).The returned forms were coded by one of the senior staff members of the cancer registry. The coded forms were returned to the clinician and only after approval were the codes compared with the original information in the cancer registry. Differences were divided into minor and major disagreements according to an adapted proposal from a reabstracting study (CCPDS, 1985) and are summarised in Table I. For histologic type the ICD-O codes were merged into clinically and epidemiologically relevant groups (Berg, 1982). ResultsThe twenty clinicians completed 190 cancer registry forms. For one clinician only eight eligible patients (instead of ten) could be selected. Two of the clinicians returned only 12 out of 24 forms in time. All the coded information of the forms was approved by the clinicians. In Table II the results of the comparison of the clinicians' data with the original cancer registry data are presented.No disagreements were detected in date of birth and gender. With respect to data of incidence ten cases (5%)

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Primary gastrointestinal non-Hodgkin's lymphoma in a population-based registry

Cited by 108 publications

References 20 publications

Primary gastrointestinal lymphoma in Japan

Primary gastrointestinal lymphoma in Japan

A 15-year series of gastrointestinal non-Hodgkin's lymphomas: a population-based study

Quality of cancer registry data: a comparison of data provided by clinicians with those of registration personnel

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