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Pulmonary atypical carcinoid : Predictors of survival in 106 cases

Identifieur interne : 000424 ( PascalFrancis/Curation ); précédent : 000423; suivant : 000425

Pulmonary atypical carcinoid : Predictors of survival in 106 cases

Auteurs : Mary Beth Beasley [États-Unis, Pays-Bas, France, Royaume-Uni, Australie, Japon] ; Frederik B. J. M. Thunnissen ; Elisabeth Brambilla ; Philip Hasleton ; Richard Steele ; Samuel P. Hammar ; Thomas V. Colby ; Mary Sheppard ; Yukio Shimosato ; Michael N. Koss ; Roni Falk ; Willam D. Travis

Source :

RBID : Pascal:01-0050117

Descripteurs français

English descriptors

Abstract

Pulmonary neuroendocrine tumors (NE) include a spectrum of tumors from typical carcinoid (TC) to atypical carcinoid (AC), large cell neuroendocrine carcinoma (LCNEC), and small cell carcinoma (SCLC). Little is known about prognostic predictors for AC because of its rarity. Survival analysis was performed on 106 ACs with clinical follow-up from the AFIP and the Pathology Panel of the International Association for the Study of Lung Cancer (IASLC). The tumors fulfilled the 1999 WHO/IASLC criteria for AC of a NE tumor with a mitotic rate of 2 to 10 per 2 mm2 of viable tumor or coagulative necrosis. Multiple clinical and histologic features were analyzed by Kaplan-Meier and Cox regression analysis. Of the clinical features, higher stage (P = .003) and a tumor size of 3.5 cm or greater (P = .003) were associated with a worse prognosis. Features that were histologically unfavorable by univariate analysis were mitotic rate (P = .002), pleomorphism (P = .018), and aerogenous spread (P = .007). Histologically favorable features by univariate analysis were the presence of palisading (P = .008), papillary (P = .039), pseudoglandular (P = .026), and rosette (P = .022) patterns. Female gender showed a trend toward a poorer prognosis (P = .085) and was included in the multivariate model. Multivariate analysis stratified for stage showed mitoses (P <.001), a tumor size of 3.5 cm or greater (P =.017), and female gender (P =.012) to be the only negative independent predictors of prognosis and the presence of rosettes (P =.016) to be the only independent positive predictor. We further divided the AC into subgroups of low (2 to 5 mitoses/2 mm2) and high (6 to 10 mitoses/2 mm2) mitotic rate and compared the survival with TC and with LCNEC. Within the category of AC, the patients with a higher mitotic rate had a significantly worse survival than those with a lower mitotic rate (P <.001) stratified for stage. Five- and 10-year survival rates for AC (61% and 35%, respectively) stratified for stage were significantly worse than for TC and better than that for LCNEC and SCLC. Chemotherapy or radiation therapy was given in 12 of 52 and 14 of 52 cases, respectively, but the data were insufficient to evaluate tumor response. We conclude that AC is an aggressive neuroendocrine neoplasm with survival intermediate between TC and LCNEC and SCLC. Higher mitotic rate, tumor size of 3.5 cm or greater, female gender, and presence of rosettes are the only independent predictors of survival. Surgical resection remains the treatment of choice, and the role of chemotherapy and radiation therapy remains to be proven.
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A08 01  1  ENG  @1 Pulmonary atypical carcinoid : Predictors of survival in 106 cases
A11 01  1    @1 BEASLEY (Mary Beth)
A11 02  1    @1 THUNNISSEN (Frederik B. J. M.)
A11 03  1    @1 BRAMBILLA (Elisabeth)
A11 04  1    @1 HASLETON (Philip)
A11 05  1    @1 STEELE (Richard)
A11 06  1    @1 HAMMAR (Samuel P.)
A11 07  1    @1 COLBY (Thomas V.)
A11 08  1    @1 SHEPPARD (Mary)
A11 09  1    @1 SHIMOSATO (Yukio)
A11 10  1    @1 KOSS (Michael N.)
A11 11  1    @1 FALK (Roni)
A11 12  1    @1 TRAVIS (Willam D.)
A14 01      @1 Department of Pulmonary and Mediastinal Pathology, Armed Forces Institute of Pathology @2 Washington, DC @3 USA
A14 02      @1 Canisius Wilhemina Hospital @2 Nymegen @3 NLD
A14 03      @1 Centre Hospitalier Universitaire de Grenoble @3 FRA
A14 04      @1 University of Manchester School of Medicine @2 Manchester @3 GBR
A14 05      @1 Princess Alexandra Hospital @2 Woolloongabba @3 AUS
A14 06      @1 Diagnostic Specialties Laboratory @2 Bremerton, WA @3 USA
A14 07      @1 Mayo Clinic @2 Scottsdale, AZ @3 USA
A14 08      @1 Royal Brompton Hospital @2 London @3 GBR
A14 09      @1 Keio University School of Medicine @2 Tokyo @3 JPN
A14 10      @1 Environmental Epidemiology Branch, National Cancer Institute, National Institutes of Health @2 Rockville, MD @3 USA
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C01 01    ENG  @0 Pulmonary neuroendocrine tumors (NE) include a spectrum of tumors from typical carcinoid (TC) to atypical carcinoid (AC), large cell neuroendocrine carcinoma (LCNEC), and small cell carcinoma (SCLC). Little is known about prognostic predictors for AC because of its rarity. Survival analysis was performed on 106 ACs with clinical follow-up from the AFIP and the Pathology Panel of the International Association for the Study of Lung Cancer (IASLC). The tumors fulfilled the 1999 WHO/IASLC criteria for AC of a NE tumor with a mitotic rate of 2 to 10 per 2 mm2 of viable tumor or coagulative necrosis. Multiple clinical and histologic features were analyzed by Kaplan-Meier and Cox regression analysis. Of the clinical features, higher stage (P = .003) and a tumor size of 3.5 cm or greater (P = .003) were associated with a worse prognosis. Features that were histologically unfavorable by univariate analysis were mitotic rate (P = .002), pleomorphism (P = .018), and aerogenous spread (P = .007). Histologically favorable features by univariate analysis were the presence of palisading (P = .008), papillary (P = .039), pseudoglandular (P = .026), and rosette (P = .022) patterns. Female gender showed a trend toward a poorer prognosis (P = .085) and was included in the multivariate model. Multivariate analysis stratified for stage showed mitoses (P <.001), a tumor size of 3.5 cm or greater (P =.017), and female gender (P =.012) to be the only negative independent predictors of prognosis and the presence of rosettes (P =.016) to be the only independent positive predictor. We further divided the AC into subgroups of low (2 to 5 mitoses/2 mm2) and high (6 to 10 mitoses/2 mm2) mitotic rate and compared the survival with TC and with LCNEC. Within the category of AC, the patients with a higher mitotic rate had a significantly worse survival than those with a lower mitotic rate (P <.001) stratified for stage. Five- and 10-year survival rates for AC (61% and 35%, respectively) stratified for stage were significantly worse than for TC and better than that for LCNEC and SCLC. Chemotherapy or radiation therapy was given in 12 of 52 and 14 of 52 cases, respectively, but the data were insufficient to evaluate tumor response. We conclude that AC is an aggressive neuroendocrine neoplasm with survival intermediate between TC and LCNEC and SCLC. Higher mitotic rate, tumor size of 3.5 cm or greater, female gender, and presence of rosettes are the only independent predictors of survival. Surgical resection remains the treatment of choice, and the role of chemotherapy and radiation therapy remains to be proven.
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C03 07  X  FRE  @0 Indice mitotique @5 07
C03 07  X  ENG  @0 Mitotic index @5 07
C03 07  X  SPA  @0 Indice mitótico @5 07
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C07 01  X  SPA  @0 Aparato respiratorio patología @5 37
C07 02  X  FRE  @0 Poumon pathologie @5 38
C07 02  X  ENG  @0 Lung disease @5 38
C07 02  X  SPA  @0 Pulmón patología @5 38
C07 03  X  FRE  @0 Bronche pathologie @5 39
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N21       @1 029

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Pascal:01-0050117

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<term>Immunohistochemistry</term>
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<div type="abstract" xml:lang="en">Pulmonary neuroendocrine tumors (NE) include a spectrum of tumors from typical carcinoid (TC) to atypical carcinoid (AC), large cell neuroendocrine carcinoma (LCNEC), and small cell carcinoma (SCLC). Little is known about prognostic predictors for AC because of its rarity. Survival analysis was performed on 106 ACs with clinical follow-up from the AFIP and the Pathology Panel of the International Association for the Study of Lung Cancer (IASLC). The tumors fulfilled the 1999 WHO/IASLC criteria for AC of a NE tumor with a mitotic rate of 2 to 10 per 2 mm
<sup>2</sup>
of viable tumor or coagulative necrosis. Multiple clinical and histologic features were analyzed by Kaplan-Meier and Cox regression analysis. Of the clinical features, higher stage (P = .003) and a tumor size of 3.5 cm or greater (P = .003) were associated with a worse prognosis. Features that were histologically unfavorable by univariate analysis were mitotic rate (P = .002), pleomorphism (P = .018), and aerogenous spread (P = .007). Histologically favorable features by univariate analysis were the presence of palisading (P = .008), papillary (P = .039), pseudoglandular (P = .026), and rosette (P = .022) patterns. Female gender showed a trend toward a poorer prognosis (P = .085) and was included in the multivariate model. Multivariate analysis stratified for stage showed mitoses (P <.001), a tumor size of 3.5 cm or greater (P =.017), and female gender (P =.012) to be the only negative independent predictors of prognosis and the presence of rosettes (P =.016) to be the only independent positive predictor. We further divided the AC into subgroups of low (2 to 5 mitoses/2 mm
<sup>2</sup>
) and high (6 to 10 mitoses/2 mm
<sup>2</sup>
) mitotic rate and compared the survival with TC and with LCNEC. Within the category of AC, the patients with a higher mitotic rate had a significantly worse survival than those with a lower mitotic rate (P <.001) stratified for stage. Five- and 10-year survival rates for AC (61% and 35%, respectively) stratified for stage were significantly worse than for TC and better than that for LCNEC and SCLC. Chemotherapy or radiation therapy was given in 12 of 52 and 14 of 52 cases, respectively, but the data were insufficient to evaluate tumor response. We conclude that AC is an aggressive neuroendocrine neoplasm with survival intermediate between TC and LCNEC and SCLC. Higher mitotic rate, tumor size of 3.5 cm or greater, female gender, and presence of rosettes are the only independent predictors of survival. Surgical resection remains the treatment of choice, and the role of chemotherapy and radiation therapy remains to be proven.</div>
</front>
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<s1>Pulmonary atypical carcinoid : Predictors of survival in 106 cases</s1>
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<s1>BEASLEY (Mary Beth)</s1>
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<s1>Centre Hospitalier Universitaire de Grenoble</s1>
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<s1>Royal Brompton Hospital</s1>
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<s0>Pulmonary neuroendocrine tumors (NE) include a spectrum of tumors from typical carcinoid (TC) to atypical carcinoid (AC), large cell neuroendocrine carcinoma (LCNEC), and small cell carcinoma (SCLC). Little is known about prognostic predictors for AC because of its rarity. Survival analysis was performed on 106 ACs with clinical follow-up from the AFIP and the Pathology Panel of the International Association for the Study of Lung Cancer (IASLC). The tumors fulfilled the 1999 WHO/IASLC criteria for AC of a NE tumor with a mitotic rate of 2 to 10 per 2 mm
<sup>2</sup>
of viable tumor or coagulative necrosis. Multiple clinical and histologic features were analyzed by Kaplan-Meier and Cox regression analysis. Of the clinical features, higher stage (P = .003) and a tumor size of 3.5 cm or greater (P = .003) were associated with a worse prognosis. Features that were histologically unfavorable by univariate analysis were mitotic rate (P = .002), pleomorphism (P = .018), and aerogenous spread (P = .007). Histologically favorable features by univariate analysis were the presence of palisading (P = .008), papillary (P = .039), pseudoglandular (P = .026), and rosette (P = .022) patterns. Female gender showed a trend toward a poorer prognosis (P = .085) and was included in the multivariate model. Multivariate analysis stratified for stage showed mitoses (P <.001), a tumor size of 3.5 cm or greater (P =.017), and female gender (P =.012) to be the only negative independent predictors of prognosis and the presence of rosettes (P =.016) to be the only independent positive predictor. We further divided the AC into subgroups of low (2 to 5 mitoses/2 mm
<sup>2</sup>
) and high (6 to 10 mitoses/2 mm
<sup>2</sup>
) mitotic rate and compared the survival with TC and with LCNEC. Within the category of AC, the patients with a higher mitotic rate had a significantly worse survival than those with a lower mitotic rate (P <.001) stratified for stage. Five- and 10-year survival rates for AC (61% and 35%, respectively) stratified for stage were significantly worse than for TC and better than that for LCNEC and SCLC. Chemotherapy or radiation therapy was given in 12 of 52 and 14 of 52 cases, respectively, but the data were insufficient to evaluate tumor response. We conclude that AC is an aggressive neuroendocrine neoplasm with survival intermediate between TC and LCNEC and SCLC. Higher mitotic rate, tumor size of 3.5 cm or greater, female gender, and presence of rosettes are the only independent predictors of survival. Surgical resection remains the treatment of choice, and the role of chemotherapy and radiation therapy remains to be proven.</s0>
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<s0>Tumor carcinoide</s0>
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<s0>Dimension</s0>
<s5>08</s5>
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<s0>Dimensión</s0>
<s5>08</s5>
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<s0>Tumeur neuroendocrinienne</s0>
<s5>10</s5>
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<s0>Neuroendocrine tumor</s0>
<s5>10</s5>
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<s0>Tumor neuroendocrino</s0>
<s5>10</s5>
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<s5>20</s5>
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<s5>20</s5>
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<s5>20</s5>
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<s0>Appareil respiratoire pathologie</s0>
<s5>37</s5>
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<s5>37</s5>
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<s5>39</s5>
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<s0>Tumeur</s0>
<s5>40</s5>
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<s0>Tumor</s0>
<s5>40</s5>
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<s0>Tumor</s0>
<s5>40</s5>
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<s5>45</s5>
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