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Dettori G, Trignano M, Madeddu G, Spissu M, Soro P, Urigo F, Biglioli P. Our Experience in the Diagnosis and Treatment of Hydatid Cysts of the Kidney: Report of 4 Cases Operated On. Urologia 2018. [DOI: 10.1177/039156038104800306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | | | - G. Madeddu
- Istituto di Clinics Medica (Servizio di Medicina Nucleare)
| | | | | | | | - P. Biglioli
- Istituto di Clinics Medica (Servizio di Medicina Nucleare)
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Medici M, Morelli A, Arcangeletti M, Calderaro A, De Conto F, Martinelli M, Abelli L, Dettori G, Chezzi C. An outbreak of norovirus infection in an Italian residential-care facility for the elderly. Clin Microbiol Infect 2009; 15:97-100. [DOI: 10.1111/j.1469-0691.2008.02117.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Affiliation(s)
- A Calderaro
- Department of Pathology and Laboratory Medicine, Section of Microbiology, University of Parma, Parma, Italy
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Boni L, Cantore F, Colombo E, Benevento A, Dionigi G, Rovera F, Capriata G, Dettori G, Dionigi R. The mesenteric and antimesenteric site of the tumor as possible prognostic factor in colorectal cancer: 5-year survival analysis. Surg Oncol 2007; 16 Suppl 1:S79-82. [PMID: 18032025 DOI: 10.1016/j.suronc.2007.10.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Colorectal cancer is still one of the many factors of death both in males and in females. To date, the most important prognostic factors are mainly related to the pathological stage of the disease. AIM OF THE STUDY The purpose of this study was to analyze the possible role of tumor circumferential localization on the colonic wall (mesenteric (M) or antimesenteric (AM)) as a possible prognostic factor. In this study, we compare the localization of the tumor with patient's survival. The hypothesis of this study is that M tumors, closer to blood and lymphatic vessels, should be more aggressive in terms of hematogenous and lymphatic spread compared to the AM tumors. PATIENTS AND METHODS All patients undergoing curative resection for colorectal cancer were enrolled in this study; there was no statistical difference for age, sex and co-morbidity. The histopathological examination was carried out in the standard manner. Next, we have taken care to survival of neoplastic patients by examining of our 5-year follow-up archive: we divided patients in different groups concerning the different tumor stage and we compare these results with the different localizations of tumor at the operation. RESULTS In 45% of cases, we were able to distinguish the different localizations M (160 patients) or AM (47 patients) and this difference is statistically significant (P<0.0001, Pearson Chi-Square-test (PCS-t)). The number of metastatic nodes is statistically higher in the M group compared to the AM group one (P=0.003949). Medium time of follow-up was 36.54 months; AM and M patients have a rather similar survival, only at the end the two curves seem to change but not in a significant manner. Only if we consider the difference between the two groups comparing T3 tumor can we observe a statistically significant difference (P<0.005). CONCLUSIONS In conclusion, the localization of M or AM colorectal cancer is feasible in 45% of cases. M tumors have significantly more lymph nodes metastases but a better 5-year survival than AM tumors. A possible explanation for such results might be the different pattern of diffusion of cancer cells.
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Affiliation(s)
- L Boni
- Department of Surgical Sciences, University of Insubria, Varese, Azienda-Ospedaliera Polo Universitario, Ospedale di Circolo-Fondazione, Viale Borri 57, 21100-Varese, Italy.
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Calderaro A, Piccolo G, Peruzzi S, Gorrini C, Dettori G, Chezzi C. VALUTAZIONE DEI SAGGI VIDIATM TOXOPLASMOSI IgM /IgG. Microbiol Med 2007. [DOI: 10.4081/mm.2007.2775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Martinelli M, Medici MC, Calderaro A, Arcangeletti MC, Morelli A, Abelli LA, Portincasa P, Larini S, De Conto F, Pinardi F, Esteban M, Somenzi P, Preti S, Casula F, Dettori G, Chezzi C. EPISODIO EPIDEMICO DI GASTROENTERITE DA NOROVIRUS DI SOSPETTA ORIGINE ALIMENTARE IN UNA CASA DI RIPOSO. Microbiol Med 2007. [DOI: 10.4081/mm.2007.2809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Medici M, Martinelli M, Albonetti V, Chezzi C, Dettori G. VALUTAZIONE DEI SAGGI RUBELLA IgG E IgM SUL NUOVO STRUMENTO VIDIA®. Microbiol Med 2007. [DOI: 10.4081/mm.2007.2810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Calderaro A, Peruzzi S, Gorrini C, Piccolo G, Villanacci V, Missale G, Dettori G, Chezzi C. SPIROCHETOSI INTESTINALE UMANA ASSOCIATA A LESIONI CANCEROSE E DISPLASTICHE DELLA MUCOSA DEL COLON. Microbiol Med 2007. [DOI: 10.4081/mm.2007.2749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Gorrini C, Piccolo G, Peruzzi S, Dettori G, Chezzi C. GENOTIPIZZAZIONE DI CEPPI DI Entamoeba histolytica IDENTIFICATI A PARMA: RISULTATI PRELIMINARI. Microbiol Med 2007. [DOI: 10.4081/mm.2007.2780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Piccolo G, Perandin F, Gorrini C, Peruzzi S, Zuelli C, Ricci L, Manca N, Dettori G, Chezzi C, Snounou G. Genetic polymorphisms influence Plasmodium ovale PCR detection accuracy. J Clin Microbiol 2007; 45:1624-7. [PMID: 17360843 PMCID: PMC1865880 DOI: 10.1128/jcm.02316-06] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Detection of Plasmodium ovale by use of a nested PCR assay with a novel Plasmodium ovale primer set was superior to detection of Plasmodium ovale by real-time PCR assays. Nested PCR was also better at detecting P. malariae. The detection of P. ovale in many patients first admitted >2 months following their return to Italy indicated that P. ovale relapses are common.
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Affiliation(s)
- A Calderaro
- Faculty of Medicine and Surgery, University of Parma, Department of Pathology and Laboratory Medicine, Section of Microbiology, Viale A. Gramsci, 14-43100 Parma, Italy.
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Medici M, Albonetti V, Martinelli M, Chezzi C, Dettori G. R2212 Evaluation of Rubella IgG and IgM assays on the new Vidia® instrument. Int J Antimicrob Agents 2007. [DOI: 10.1016/s0924-8579(07)72051-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Calderaro A, Piccolo G, Peruzzi S, Dettori G, Chezzi C. P1724 Performance evaluation of the Vidia™ toxoplasmosis IgG and IgM assays. Int J Antimicrob Agents 2007. [DOI: 10.1016/s0924-8579(07)71563-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Calderaro A, Bommezzadri S, Gorrini C, Piccolo G, Peruzzi S, Dettori G, Chezzi C. Comparative evaluation of molecular assays for the identification of intestinal spirochaetes from diseased pigs. Vet Microbiol 2006; 118:91-100. [PMID: 16879935 DOI: 10.1016/j.vetmic.2006.06.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2006] [Revised: 06/20/2006] [Accepted: 06/26/2006] [Indexed: 11/18/2022]
Abstract
Rapid identification of porcine Brachyspira species is required in order to differentiate pathogenic from non-pathogenic species. The aim of our study was to compare a recently described genetic method based on polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP), nox RFLP-PCR assay, and three species-specific PCRs described previously in the literature with a 16S rRNA gene RFLP-PCR discriminatory reference assay (16S RFLP-PCR) for the identification of Brachyspira spp. of swine origin. In this study, 20 porcine spirochaetal strains were identified and compared to 33 reference strains by 16S RFLP-PCR and nox RFLP-PCR and three species-specific PCRs. RFLP-PCR methods showed concordant results for 47 strains and discordances for 6 strains (2 differently identified and 4 not revealed by nox RFLP-PCR). In our hands species-specific PCRs showed concordant results with 16S and nox RFLP-PCR for 43 strains and discordances for 10 strains (2 differently identified and 8 not amplified). The same results observed testing the 20 field-isolated spirochaetes were obtained for the corresponding porcine faecal samples. The detection limit was 10(2) -10(3) cells/g of faeces for 16S rRNA gene PCR and 10(4) cells/g of faeces for nox PCR. In our experience nox RFLP-PCR appeared successful for the speciation of B. hyodysenteriae reserving 16S RFLP-PCR for all other pathogenic and non-pathogenic Brachyspira species. Among the species-specific PCR assays tested only that for B. pilosicoli was useful in our hands.
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Affiliation(s)
- A Calderaro
- Department of Pathology and Laboratory Medicine, Section of Microbiology, Faculty of Medicine and Surgery, University of Parma, Viale A. Gramsci, 14-43100 Parma, Italy.
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Calderaro A, Piccolo G, Peruzzi S, Gorrini C, Bommezzadri S, Dettori G, Chezzi C. CONFRONTO TRA DUE SAGGI DI REAL-TIME PCR ED UNA NESTED PCR PER LA DIAGNOSIDI TO XOPLASMOSI. Microbiol Med 2006. [DOI: 10.4081/mm.2006.3394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Gorrini C, Piccolo G, Peruzzi S, Bommezzadri S, Dettori G, Chezzi C. LA BIOLOGIA MOLECOLARE NELLA DIAGNOSTICA PARASSITOLOGICA. Microbiol Med 2006. [DOI: 10.4081/mm.2006.3114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Calderaro A, Piccolo G, Gorrini C, Peruzzi S, Bommezzadri S, Dettori G, Chezzi C. EPIDEMIOLOGIA DELLA MALARIA A PARMA NEL PERIODO 2002-2006. Microbiol Med 2006. [DOI: 10.4081/mm.2006.3190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Gorrini C, Peruzzi S, Piccolo G, Bommezzadri S, Dettori G, Chezzi C. EPIDEMIOLOGIA DELLE PARASSITOSI INTESTINALI A PARMA NELL’ANNO 2005. Microbiol Med 2006. [DOI: 10.4081/mm.2006.3200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Gorrini C, Piccolo G, Peruzzi S, Bommezzadri S, Dettori G, Chezzi C. CASI DI AMEBIASI A PARMA NEL PERIODO 2003-2006. Microbiol Med 2006. [DOI: 10.4081/mm.2006.3366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Piccolo G, Perandin F, Gorrini C, Peruzzi S, Ricci L, Manca N, Snounou G, Dettori G, Chezzi C. MESSA A PUNTO DI UNA NESTED-PCR PER IDENTIFICARE CEPPI DI P.OVALE CON POLIMORFISMO GENETICO NEL 18S-rDNA. Microbiol Med 2006. [DOI: 10.4081/mm.2006.3362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Medici M, Aloisi A, Martinelli M, Casula F, Valcavi P, Abelli L, Dettori G, Chezzi C. GENOTIPI E VARIANTI FARMACO-RESISTENTI IN SOGGETTI INFETTATI DA VIRUS DELL’EPATITE B. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Dell’Anna P, Zerbini L, Rossi S, Buttrini M, Somenzi P, Menozzi M, Chezzi C, Dettori G. APPROFONDIMENTI DIAGNOSTICI ED EZIOPATOGENETICI SU BATTERI “CORINEFORMI” IN CORSO DI BATTERIEMIE E/O SEPSI. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Calderaro A, Piccolo G, Perandin F, Ricci L, Manca N, Dettori G, Chezzi C. RIVELAZIONE DI P.OVALE E P. MALARIAE MEDIANTE UN NUOVO SAGGIO DI REAL-TIME PCR. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Medici M, Corradi D, Ricci R, Del Sante M, Dodi I, De Fanti A, Martinelli M, Abelli L, Zerbini L, Arcangeletti M, Pinardi F, De Conto F, Aloisi A, Dettori G, Chezzi C. DUE CASI FATALI DI ENTERITE DA ROTAVIRUS. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Gorrini C, Bommezzadri S, Piccolo G, Dettori G, Chezzi C. CONFRONTO TRA DUE SAGGI DI PCR PER LA DIAGNOSI DI LABORATORIO DI AMEBIASI. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Bommezzadri S, Gorrini C, Piccolo G, Peruzzi S, Villanacci V, Dettori G, Chezzi C. SPIROCHETOSI INTESTINALE: INFEZIONE EMERGENTE? TRE ANNI DI INDAGINI A PARMA. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Piccolo G, Zuelli C, Bommezzadri S, Perandin F, Ricci L, Manca N, Dettori G, Chezzi C. CASI DI MALARIA DA P.OVALE A PARMA: DATI DEGLI ULTIMI 5 ANNI. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Medici M, Martinelli M, Valcavi P, Abelli L, Casula F, Dettori G, Chezzi C. LA QUANTIFICAZIONE DEI MARCATORI NELL’INFEZIONE DA HCV. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Rossi S, Zerbini L, Buttrini M, Somenzi P, Menozzi M, Chezzi C, Dettori G. CLOSTRIDIUM PERFRINGENS ENTEROTOSSINOGENICO NELLE INFEZIONI INTESTINALI NON VEICOLATE DA ALIMENTI: PRELIMINARI OSSERVAZIONI A PARMA. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Zerbini L, Rossi S, Somenzi P, Menozzi M, Chezzi C, Dettori G. CARATTERIZZAZIONE DELL’ENTEROTOSSINOGENICITÀ DI CEPPI DI CLOSTRIDIUM PERFRINGENS ISOLATI DURANTE EPISODI DI TOSSINFEZIONE ALIMENTARE. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Medici M, Aloisi A, Martinelli M, Abelli L, Dettori G, Chezzi C. IDENTIFICAZIONE RAPIDA DI CEPPI DI CITOMEGALOVIRUS UMANO FARMACO-RESISTENTI MEDIANTE nPCR-RFLP IN SOGGETTI SOTTOPOSTI A TRAPIANTO. Microbiol Med 2005. [DOI: 10.4081/mm.2005.3650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Calderaro A, Bommezzadri S, Piccolo G, Zuelli C, Dettori G, Chezzi C. Rapid isolation of Brachyspira hyodysenteriae and Brachyspira pilosicoli from pigs. Vet Microbiol 2005; 105:229-34. [PMID: 15708820 DOI: 10.1016/j.vetmic.2004.10.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2001] [Revised: 10/07/2004] [Accepted: 10/31/2004] [Indexed: 11/24/2022]
Abstract
The aim of this study was to compare and evaluate the time required to isolate Brachyspira hyodysenteriae and Brachyspira pilosicoli from porcine faeces. This was done using previously described selective media (spectinomycin) S400, (colistin, vancomycin and spectinomycin) CVS and (spectinomycin, vancomycin, colistin, spiramycin and rifampin with swine faecal extract) BJ, compared with the method based on blood agar modified medium, with spectinomycin and rifampin (BAM-SR), including a pre-treatment step. Fourteen spirochaetal strains were obtained in pure cultures after 5 days (48 h in BAM-SR primary plate and three passages every 24 h in brain heart infusion (BHI) without antibiotics) pre-treating simulated samples in brain heart infusion broth with spectinomycin (400 microg/ml) and rifampin (15 microg/ml), before streaking on the selective BAM-SR medium. Spirochaetes from samples in S400, CVS and BJ, with and without pre-treatment, were obtained in pure cultures only after repeatedly transferring on plates of the same selective medium requiring 15-18 days according to the strain. BAM-SR used after the pre-treatment step showed a detection limit ranging from 3.5 x 10(2) to 6.7 x 10(7) cells/g faeces and was the only method able to support the growth of spirochaetes after 48 h.
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Affiliation(s)
- A Calderaro
- Department of Pathology and Laboratory Medicine, Section of Microbiology, University of Parma, Viale A. Gramsci, 14-43100 Parma, Italy.
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Benevento A, Boni L, Dionigi G, Carcano G, Capella C, Capriata G, Casula G, Dettori G, Dionigi R. The mesenteric and antimesenteric location of colorectal cancer: the relationship with lymph nodes. Surgeon 2005; 2:214-20. [PMID: 15570829 DOI: 10.1016/s1479-666x(04)80003-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AIM Purpose of the study was to evaluate if the circumferential location of colorectal cancer may be identified as a possible prognostic factor. The hypothesis is that tumours located on the antimesenteric (AM) side could have a better prognosis than tumours located on the mesenteric (M) side. METHODS All patients undergoing curative resection for colorectal cancer were enrolled in the study. The specimens were sent to the pathologist to define the exact location of the tumour, the histological type, grading, T, N status as well as lymphatic, vascular and neural invasion, peritumoural lymphoid reaction, desmoplasia and microsatellite instability. Statistical analyses were performed using the test for proportions (with continuity correction), the Pearson Chi-square test and generalised linear models; p<0.05 were considered statistically significant. RESULTS From August 2000 to August 2002, 255 patients were enrolled in the study. There was a significantly higher incidence of tumours located on the M (101) compared with the AM (37) site (p<0.0001). M located tumours were associated with higher numbers of metastatic lymph nodes (N1 and N2; p-value=0.014), whereas AM tumours were associated with involved lymph nodes in only 5/37 (13.5%) of tumours. There was no statistically significant relation between AM versus M location and T status: the Pearson Chi-Square test showed that the lymph node involvement and the location (M versus AM) are not statistically independent variables (p-value=0.014). CONCLUSIONS Our preliminary results show that when M or AM tumour identification is possible, tumour location can be regarded as a prognostic factor. Further longer studies on recurrence rate and survival are required to validate these findings and the clinical usefulness of this putative prognostic factor.
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Affiliation(s)
- A Benevento
- Department of Surgery, University of Insubria, Varese, Italy
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Pinardi F, Arcangeletti M, De Conto F, Medici M, Valcavi P, Casula F, Ferraglia F, Motta F, Covan S, Calderaro A, Chezzi C, Dettori G. LA MICROSCOPIA ELETTRONICA QUALE UTILE SUPPORTO PER LA DIAGNOSI DI INFEZIONE DA VIRUS ENTERICI. Microbiol Med 2004. [DOI: 10.4081/mm.2004.4019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Arcangeletti M, De Conto F, Pinardi F, Medici M, Valcavi P, Casula F, Ferraglia F, Motta F, Covan S, Calderaro A, Chezzi C, Dettori G. METODI TRADIZIONALI E MOLECOLARI A CONFRONTO NELLA DIAGNOSI DI INFEZIONE VIRALE. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Zerbini L, Larini S, Rossi S, Bertoncini L, Somenzi P, Menozzi M, Chezzi C, Dettori G. CARATTERIZZAZIONE DELL’ENTEROTOSSINO-GENICITÀ DI CEPPI DI STAPHYLOCOCCUS AUREUS MEDIANTE MULTIPLEX PCR. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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36
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Menozzi M, Bertoncini L, Zerbini L, Rossi S, Somenzi P, Chezzi C, Dettori G. ESPERIENZE NELLA GESTIONE DI EPIDEMIE NOSOCOMIALI: POLICLINICO UNIVERSITARIO DI PARMA. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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37
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Aloisi A, Martinelli M, Abelli L, Arcangeletti M, Pinardi F, De Conto F, Valcavi P, Casula F, Calderaro A, Chezzi C, Dettori G. DIAGNOSI RAPIDA DI INFEZIONE DA ADENOVIRUS UMANI MEDIANTE REAZIONE POLIMERASICA A CATENA DI TIPO NESTED. Microbiol Med 2004. [DOI: 10.4081/mm.2004.4013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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38
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Medici M, Martinelli M, Abelli L, Ruggeri F, Di Bartolo I, Valcavi P, Casula F, Arcangeletti M, Pinardi F, De Conto F, Calderaro A, Dettori G, Chezzi C. CARATTERIZZAZIONE MOLECOLARE DI CEPPI DI NOROVIRUS IDENTIFICATI A PARMA NEL CORSO DEL 2002. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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39
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Calderaro A, Piccolo G, Zuelli C, Perandin F, Manca N, Ricci L, Arcangeletti M, Medici M, Dettori G, Chezzi C. VALUTAZIONE DI METODI DI RIFERIMENTO PER LA DIAGNOSI MOLECOLARE DI MALARIA. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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40
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Perandin F, Manca N, Calderaro A, Piccolo G, Galati L, Ricci L, Medici M, Arcangeletti M, Snounou G, Dettori G, Chezzi C. UN METODO REAL-TIME PCR PER L’IDENTIFICAZIONE DI PLASMODIUM MALARIAE NEL SANGUE DI PAZIENTI CON MALARIA. Microbiol Med 2004. [DOI: 10.4081/mm.2004.4191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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41
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Arcangeletti M, De Conto F, Pinardi F, Medici M, Valcavi P, Casula F, Ferraglia F, Motta F, Covan S, Calderaro A, Chezzi C, Dettori G. DIAGNOSI DI INFEZIONE DA VIRUS DELL’APPARATO RESPIRATORIO: TRE METODI A CONFRONTO. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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42
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Calderaro A, Incaprera M, Piccolo G, Arcangeletti M, Medici M, Dettori G, Chezzi C. UN SAGGIO DI “REAL-TIME PCR (TaqMan)” PER LA DIAGNOSI DI LABORATORIO DI LEPTOSPIROSI. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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43
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Calderaro A, Piccolo G, Zuelli C, Incaprera M, Arcangeletti M, Medici M, Dettori G, Chezzi C. DESCRIZIONE DEL PRIMO CASO DI LOIASI (FILARIOSI) A PARMA. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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44
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Calderaro A, Incaprera M, Bommezzadri S, Piccolo G, Zuelli C, Villanacci V, Arcangeletti M, Medici M, Dettori G, Chezzi C. PARASSITOSI INTESTINALE ASSOCIATA A SPIROCHETOSI INTESTINALE: DESCRIZIONE DEI PRIMI CASI. Microbiol Med 2004. [DOI: 10.4081/mm.2004.3770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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45
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Martinelli M, Abelli L, Aloisi A, Arcangeletti M, De Conto F, Pinardi F, Valcavi P, Casula F, Calderaro A, Chezzi C, Dettori G. EPISODIO EPIDEMICO NOSOCOMIALE DI ENTERITE SOSTENUTO DA NOROVIRUS IN PAZIENTI PEDIATRICI RICOVERATI. Microbiol Med 2004. [DOI: 10.4081/mm.2004.4014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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46
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Perandin F, Manca N, Calderaro A, Piccolo G, Galati L, Ricci L, Medici MC, Arcangeletti MC, Snounou G, Dettori G, Chezzi C. Development of a real-time PCR assay for detection of Plasmodium falciparum, Plasmodium vivax, and Plasmodium ovale for routine clinical diagnosis. J Clin Microbiol 2004; 42:1214-9. [PMID: 15004078 PMCID: PMC356834 DOI: 10.1128/jcm.42.3.1214-1219.2004] [Citation(s) in RCA: 231] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A TaqMan-based real-time PCR qualitative assay for the detection of three species of malaria parasites-Plasmodium falciparum, P. ovale, and P. vivax-was devised and evaluated using 122 whole-blood samples from patients who had traveled to areas where malaria is endemic and who presented with malaria-like symptoms and fever. The assay was compared to conventional microscopy and to an established nested-PCR assay. The specificity of the new assay was confirmed by sequencing the PCR products from all the positive samples and by the lack of cross-reactivity with Toxoplasma gondii and Leishmania infantum DNA. Real-time PCR assay showed a detection limit (analytical sensitivity) of 0.7, 4, and 1.5 parasites/ micro l for P. falciparum, P. vivax, and P. ovale, respectively. Real-time PCR, like nested PCR, brought to light errors in the species identification by microscopic examination and revealed the presence of mixed infections (P. falciparum plus P. ovale). Real-time PCR can yield results within 2 h, does not require post-PCR processing, reduces sample handling, and minimizes the risks of contamination. The assay can therefore be easily implemented in routine diagnostic malaria tests. Future studies are warranted to investigate the clinical value of this technique.
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Affiliation(s)
- F Perandin
- Department of Laboratory Diagnosis, Section of Microbiology, University of Brescia, Spedali Civili, 25123 Brescia, Italy
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47
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Calderaro A, Piccolo G, Zuelli C, Galati L, Ricci L, Perandin F, Dell'Anna ML, Arcangeletti MC, Medici MC, Manca N, Dettori G, Chezzi C. Evaluation of a new plate hybridization assay for the laboratory diagnosis of imported malaria in Italy. New Microbiol 2004; 27:163-71. [PMID: 15164627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
A new molecular diagnostic method "Malaria-IBRIDOGEN" (Amplimedical S.p.A.--Bioline Division, Turin, Italy) based on a plate-hybridization assay for the simultaneous detection and identification of human malaria parasites was evaluated in this study. A target DNA sequence of the plasmodial 18S ribosomal RNA gene was amplified by polymerase chain reaction (PCR) and hybridized in microtiter wells with five biotinylated probes each specific for Plasmodium falciparum, P. vivax, P. malariae, P. ovale and the beta-globine human gene, respectively. Compared to the nested-PCR actually used in our laboratory for the molecular diagnosis of malaria, "Malaria-IBRIDOGEN" revealed an overall sensitivity of 100% (51/51) for the four human Plasmodium species testing 100 whole blood samples from people with malaria-like symptoms and fever. Specificity was 92% (45/49) considering four discordant samples as "false positive" by "Malaria-IBRIDOGEN". The assay showed a threshold of parasite density (detection limit) of 0.07 P. falciparum parasites/microliter, 0.15-1.5 P. vivax parasites/microliter, 0.3 P. malariae parasites/microliter and 0.4 P. ovale parasites/microliter of whole blood, respectively. This assay could be successfully applied to the laboratory diagnosis of malaria as a useful aid to microscopy.
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Affiliation(s)
- A Calderaro
- Department of Pathology and Laboratory Medicine, Section of Microbiology, University of Parma, Parma, Italy
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48
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Arcangeletti MC, De Conto F, Ferraglia F, Pinardi F, Gatti R, Orlandini G, Calderaro A, Motta F, Medici MC, Martinelli M, Valcavi P, Razin SV, Chezzi C, Dettori G. Human cytomegalovirus proteins PP65 and IEP72 are targeted to distinct compartments in nuclei and nuclear matrices of infected human embryo fibroblasts. J Cell Biochem 2003; 90:1056-67. [PMID: 14624464 DOI: 10.1002/jcb.10655] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The cellular distribution of the human cytomegalovirus (HCMV)-specific UL83 phosphoprotein (pp65) and UL123 immediate-early protein (IEp72) in lytically infected human embryo fibroblasts was studied by means of indirect immunofluorescence and confocal microscopy. Both proteins were found to have a nuclear localization, but they were concentrated in different compartments within the nuclei. The pp65 was located predominantly in the nucleoli; this was already evident with the parental viral protein, which was targeted to the above nuclear compartment very soon after infection. The nucleolar localization of pp65 was also observed at later stages of the HCMV infectious cycle. After chromatin extraction (in the so-called in situ nuclear matrices), a significant portion of the pp65 remained associated with nucleoli within the first hour after infection, then gradually redistributed in a perinucleolar area, as well as throughout the nucleus, with a granular pattern. A quite different distribution was observed for IEp72 at very early stages after infection of human embryo fibroblasts with HCMV; indeed, this viral protein was found in bright foci, clearly observable in both non-extracted nuclei and in nuclear matrices. At later stages of infection, IEp72 became almost homogeneously distributed within the whole nucleus, while the foci increased in size and were more evenly spread; in several infected cells some of them lay within nucleoli. This peculiar nuclear distribution of IEp72 was preserved in nuclear matrices as well. The entire set of data is discussed in terms of the necessity of integration for HCMV-specific products into the pre-existing nuclear architecture, with the possibility of subsequent adaptation of nuclear compartments to fit the needs of the HCMV replicative cycle.
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Affiliation(s)
- M C Arcangeletti
- Microbiology Section, Department of Pathology and Laboratory Medicine, University of Parma, Parma, Italy.
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49
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Medici M, Martinelli M, Abelli L, Arcangeletti M, Pinardi F, De Conto F, Valcavi P, Calderaro A, Dettori G, Chezzi C. PREVALENZA DI INFEZIONE DA NOROVIRUS NELL’AREA DI PARMA. Microbiol Med 2003. [DOI: 10.4081/mm.2003.4377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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50
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Calderaro A, Bommezzadri S, Incaprera M, Piccolo G, Zuelli C, Guégan R, Villanacci V, Pirali F, Viviani G, Arcangeletti M, Medici M, Dettori G, Chezzi C. DIAGNOSI DI LABORATORIO DI AMEBIASI MEDIANTE REAZIONE POLIMERASICA A CATENA (PCR). Microbiol Med 2003. [DOI: 10.4081/mm.2003.4222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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