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Millimetric Astronomy from the High Antarctic Plateau: site testing at Dome C
L. Valenziano,G. Dall'Oglio
Physics , 1999, DOI: 10.1071/AS99167
Abstract: Preliminary site testing at Dome C (Antarctica) is presented, using both Automatic Weather Station (AWS) meteorological data (1986-1993) and Precipitable Water Vapor (PWV) measurements made by the authors. A comparison with South Pole and other sites is made. The South Pole is a well established astrophysical observing site, where extremely good conditions are reported for a large fraction of time during the year. Dome C, where Italy and France are building a new scientific station, is a potential observing site in the millimetric and sub-millimetric range. AWS are operating at both sites and they have been continuously monitoring temperature, pressure, wind speed and direction for more than ten years. Site testing instruments are already operating at the South Pole (AASTO, Automated Astrophysical Site-Testing Observatory), while ''light'' experiments have been running at Dome C (APACHE, Antarctic Plateau Anisotropy CHasing Experiment) during summertime. A direct comparison between the two sites is planned in the near future, using the AASTO. The present analysis shows that the average wind speed is lower at Dome C (~1 m/s) than at the South Pole (~2 m/s), while temperature and PWV are comparable.
Oncogenic Osteomalacia Associated with Phosphaturic Mesenchymal Tumor of the Knee: Case Presentation and Review of the Literature  [PDF]
Eugenio Vecchini, Tommaso Maluta, Manuel Bondi, Francesco Perusi, Stefano DallOglio, Bruno Magnan
International Journal of Clinical Medicine (IJCM) , 2013, DOI: 10.4236/ijcm.2013.47A1004
Abstract: Oncogenic osteomalacia (OOM) is an uncommon metabolic and bone disease caused by fibroblast growth factor 23 (FGF23), a phosphaturic factor produced by phosphaturic mesenchymal tumors (mixed connective tissue variant, PMTMCTV) characterized by phosphate leakage from kidneys and subsequent hypophosphatemia. In this paper, we present the case of a patient, 42-year-old woman affected by left side limp and pain involving lumbar spine, pelvis and hip joints, referred to the Rheumatology Department of our Hospital for the treatment of a suspected sero-negative spondilo-arthritis. During hospitalization patient began an immuno-suppressive therapy with TNF-alpha inhibitors associated with Pamidornate, Indometacin, Esomeprazole and vitamin D3. Nevertheless pain did not decrease and a new examination found a worst hypophosphatemia (1 mg/dl) with normal Ca and PTH’s plasma values. During the same check-up a painful bulge on the anterior part of the right knee was observed and the Magnetic Resonance Imaging scan revealed an ovular solid lesion in the soft tissue closed to the upper part of the patella. Histological analysis identified the lesion as a PMTMCTV. After surgical removal patient got complete recovery. We will discuss about diagnostic evaluation, differential diagnosis and treatment.
Cystectomy with orthotopic reconstruction following radical retropubic prostatectomy
Miotto Jr, Ari;Dall'Oglio, Marcos;Srougi, Miguel;
International braz j urol , 2004, DOI: 10.1590/S1677-55382004000200009
Abstract: the development of infiltrative bladder carcinoma in patients previously treated with radical prostatectomy due to prostate adenocarcinoma represents a challenging perspective. radical cystectomy remains the best option for invasive bladder cancer, however, there are few reports about the best approach to such individuals. nevertheless, despite possible technical difficulties found during surgery, the orthotopic urinary shunt is a reasonable option in selected cases.
Recurrent vesicourethal stenosis after radical prostatectomy: how to treat it?
Barreto, Fran?ualdo;Dall'oglio, Marcos;Srougi, Miguel;
International braz j urol , 2005, DOI: 10.1590/S1677-55382005000600007
Abstract: vesicourethral anastomotic stricture and urinary incontinence are severe complications of radical prostatectomy because they cause great impact in the quality of life. three patients that presented these complications after prostate radical surgery were assessed retrospectively. to treat the stenosis of the vesicourethral anastomosis an urolume was placed and later on, an artificial sphincter ams 800 was implanted to treat the resulting urinary incontinence.
Acute renal insufficiency after radiofrequency of renal tumor
Barreto, Francualdo;Dall'Oglio, Marcos F.;Srougi, Miguel;
International braz j urol , 2007, DOI: 10.1590/S1677-55382007000500009
Abstract: recent advances in techniques of imaging and ablation have led to the application of several minimally invasive modalities, such as radiofrequency ablation (rfa) with a success rate varying from 79 to 96% and a serious complication rate of 1 to 4% in the treatment of small renal tumors. the authors report on the case of a 67-year-old patient with a radiofrequency ablation complication, stenosis of the ureteropelvic junction in one kidney, and analyze the results of this modality for the treatment of renal tumors.
Renal lymphoma: atypical presentation of a renal tumor
Barreto, Francualdo;DallOglio, Marcos F.;Srougi, Miguel;
International braz j urol , 2006, DOI: 10.1590/S1677-55382006000200010
Abstract: primary renal lymphoma is a rare lesion that represents less than 1% of the kidney?s lesions. the authors discuss the case of a 67-year-old woman with a renal mass identified 7 years after treatment of a non-hodgkin?s lymphoma, and analyze clinical and prognostic aspects of renal lymphomas. radiological findings in this case showed an uncommon presentation of the renal lymphomatous lesion which served as a warning that tumors might appear during follow-up as atypical and uncommon lesions.
Complete response of metastatic renal cancer with dendritic cell vaccine
Dall'Oglio, Marcos;Srougi, Miguel;Barbuto, José A.M.;
International braz j urol , 2003, DOI: 10.1590/S1677-55382003000600006
Abstract: introduction: we report a case of metastatic renal cell carcinoma that presented involution following therapy with dendritic cells. case report: male, 51-year old patient underwent left radical nephrectomy in september 1999 due to renal cell carcinoma, evolved with recurrence of the neoplasia in january 2002, confirmed by resection of the lesion. a vaccine therapy based on dendritic cells was then performed during 5 months (4 applications). after this period, there was occurrence of new lesions, whose resection revealed areas of necrosis and inflammatory infiltrate. discussion: the outcome of renal cell carcinoma is influenced by prognostic factors that confer more aggressive tumor characteristics. however, in cases of recurrence, the systemic therapy with dendritic cells-based vaccine can be associated with a better outcome with regression of disease.
Primary lymphoma of the prostate: a rare cause of urinary obstruction
Antunes, Alberto A.;Dall'Oglio, Marcos;Srougi, Miguel;
International braz j urol , 2004, DOI: 10.1590/S1677-55382004000500011
Abstract: primary lymphoma of the prostate is rare. it represents 0.09% of prostate neoplasias. the authors report the case of a 42-year old patient presenting urinary obstruction and renal failure due to primary lymphoma of the prostate. we discuss the clinical manifestations of this disease, iphasizing that systiic chiotherapy represents the initial and preferential therapeutic method
Carcinoma de células renais incidentais e sintomáticos: fatores patológicos e sobrevida
Dall'Oglio Marcos,Srougi Miguel,Ortiz Valdemar,Nesrallah Luciano
Revista da Associa??o Médica Brasileira , 2004,
Abstract: OBJETIVOS: Pacientes com carcinoma de células renais (CCR) quando diagnosticados precocemente têm maior possibilidade de cura com o tratamento cirúrgico. Este estudo tem como objetivo analisar as características anatomopatológicas dos espécimes cirúrgicos que justificam a diferen a da história natural dos pacientes com CCR incidental e sintomático. MéTODOS: Foram estudados retrospectivamente 115 pacientes submetidos a nefrectomia por CCR esporádico, divididos em Grupo 1: 59 pacientes assintomáticos com diagnóstico incidental e Grupo 2: 56 pacientes sintomáticos. A média de idade dos pacientes foi de 59 anos, com 86 homens e 29 mulheres. Cirurgia radical foi realizada em 96 pacientes e cirurgia conservadora em 19 casos. Foram analisadas as características anatomopatológicas, incluindo grau nuclear, estadio patológico, tamanho do tumor e presen a de invas o microvascular intratumoral, sendo estes parametros comparados com a sobrevida dos pacientes. RESULTADOS: Ao compararmos os dois grupos, confirmou-se que os tumores incidentais têm menor grau nuclear (p=0,003), menor tamanho (p=0,001), menor incidência de invas o microvascular (p<0,001) e mais baixo estadio (p<0,001). A probabilidade de sobrevida do grupo incidental foi significativamente maior quando comparada ao grupo sintomático (p<0,001). CONCLUS O: Os CCR descobertos incidentalmente têm características anatomopatológicas mais favoráveis e estes pacientes têm maiores chances de sobrevida livre de doen a quando comparados com os CCR sintomáticos.
Rupture of vesicourethral anastomosis following radical retropubic prostatectomy
Dall'oglio Marcos,Srougi Miguel,Pereira Daniel,Nesrallah Adriano
International braz j urol , 2003,
Abstract: OBJECTIVE: Rupture of vesicourethral anastomosis following radical retropubic prostatectomy is a complication that requires immediate management. We evaluated the morbidity of this rare complication. MATERIALS AND METHODS: We analyzed retrospectively 5 cases of disruption of vesicourethral anastomosis during post-operative period in a consecutive series of 1,600 radical retropubic prostatectomies, performed by a single surgeon. RESULTS: It occurred in a ratio of 1:320 prostatectomies (0,3%). Management was conservative in all the cases with an average catheter permanence time of 28 days, being its removal preceded by cystography. Two cases were secondary to bleeding, 1 followed the change of vesical catheter and 2 by unknown causes after removing the Foley catheter. Only one patient evolved with urethral stenosis, in the period ranging from 6 to 120 months. CONCLUSION: Rupture of vesicourethral anastomosis is not related to the surgeon's experience, and conservative treatment has shown to be effective.
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