Research Topics
| Athanase BillisSummaryAffiliation: Universidade Estadual de Campinas Country: Brazil Publications
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Publications
Prostate total tumor extent versus index tumor extent--which is predictive of biochemical recurrence following radical prostatectomy?Athanase Billis
Department of Pathology, School of Medicine, University of Campinas, Sao Paulo, Brazil
J Urol 189:99-104. 2013..It is controversial whether tumor extent in radical prostatectomies predicts biochemical recurrence following surgery. We compared the predictive value of total tumor extent vs dominant nodule (index tumor) extent...
Influence of focal and diffuse extraprostatic extension and positive surgical margins on biochemical progression following radical prostatectomyAthanase Billis
Department of Pathology, School of Medicine, University of Campinas UNICAMP, Brazil
Int Braz J Urol 38:175-84. 2012..We studied the influence of focal and diffuse extraprostatic extension and positive surgical margins on biochemical progression using a simple method for quantification...- Prostate elastosis: a microscopic feature useful for the diagnosis of postatrophic hyperplasiaA Billis
Department of Anatomic Pathology, School of Medicine, State University of Campinas, Brazil
Arch Pathol Lab Med 124:1306-9. 2000..Elastosis of the prostate may be seen on needle biopsy and radical prostatectomy specimens, but its significance is unknown. Prostatic atrophy (or postatrophic hyperplasia) is one of the most frequent mimics of prostatic adenocarcinoma... - Prostatic atrophy. Clinicopathological significanceAthanase Billis
Department of Anatomic Pathology, School of Medicine, University of Campinas UNICAMP, Campinas, Sao Paulo, Brazil
Int Braz J Urol 36:401-9. 2010..An intriguing finding that needs further studies is a possible association of extent of atrophy to serum PSA elevation... - Seminal vesicle invasion in radical prostatectomies: which is the most common route of invasion?Athanase Billis
Anatomic Pathology, School of Medicine, State University of Campinas, Caixa Postal 6111, Campinas, 13084 971, Brazil
Int Urol Nephrol 39:1097-102. 2007.... - Extent of prostatic atrophy in needle biopsies and serum PSA levels: is there an association?Athanase Billis
Department of Anatomic Pathology, State University of Campinas School of Medicine, Campinas, Sao Paulo, Brazil
Urology 69:927-30. 2007..The aim of this study was to find any possible association between the extent of prostatic atrophy in needle biopsies and serum PSA level... - Iatrogenic and non-iatrogenic positive margins: incidence, site, factors involved, and time to PSA progression following radical prostatectomyAthanase Billis
Anatomic Pathology, School of Medicine, State University of Campinas, Caixa Postal 6111, Campinas 13084 971, Brazil
Int Urol Nephrol 40:105-11. 2008.... - Inflammatory atrophy on prostate needle biopsies: is there topographic relationship to cancer?Athanase Billis
Department of Anatomic Pathology, School of Medicine, State University of Campinas UNICAMP, Campinas, Sao Paulo, Brazil
Int Braz J Urol 33:355-60; discussion 361-3. 2007..The objective of our study is to compare on needle prostate biopsies of patients showing cancer the topographical relation of inflammatory atrophy and atrophy with no inflammation to adenocarcinoma... - Mergence of partial and complete atrophy in prostate needle biopsies: a morphologic and immunohistochemical studyAthanase Billis
Department of Pathology, School of Medicine, University of Campinas, Caixa, Postal 6111, CEP 13084 971, Campinas, SP, Brazil
Virchows Arch 456:689-94. 2010.... - Does the type of prostatic atrophy influence the association of extent of atrophy in needle biopsies and serum prostate-specific antigen levels?Athanase Billis
Department of Pathology, School of Medicine, State University of Campinas, Campinas, Sao Paulo, Brazil
Urology 74:1111-5. 2009.... - Does tumor extent on needle prostatic biopsies influence the value of perineural invasion to predict pathologic stage > T2 in radical prostatectomies?Athanase Billis
Department of Anatomic Pathology, School of Medicine, University of Campinas UNICAMP, Campinas, SP, Brazil
Int Braz J Urol 36:439-47; discussion 448, 448-9. 2010..The aim of this study was to find whether tumor extent on NPB influences the value of PNI to predict stage > pT2 on RP... - Are prostate carcinoma clinical stages T1c and T2 similar?Athanase Billis
Department of Anatomic Pathology, School of Medicine, State University of Campinas UNICAMP, Campinas, SP, Brazil
Int Braz J Urol 32:165-71. 2006..To test this finding we compared clinicopathologic characteristics and the time to PSA progression following radical retropubic prostatectomy of patients with clinical stage T1c tumors to those with stage T2, T2a or T2b tumors... - Should pathologists continue to use the current pT2 substaging system for reporting of radical prostatectomy specimens?Athanase Billis
Department of Pathology, School of Medicine, University of Campinas UNICAMP, Campinas, Brazil
Int Urol Nephrol 43:707-14. 2011..The aim of our study is to analyze the clinicopathologic findings and the prognostic information comparing the clinical with the pathological T2 substaging of patients submitted to radical prostatectomy... - Tumor grade heterogeneity in urothelial bladder carcinoma--proposal of a system using combined numbersA Billis
Department of Pathology, School of Medicine, State University of Campinas, Brazil
Scand J Urol Nephrol 35:275-9. 2001..We propose a grading system that considers the primary (most common) and secondary (second most common) grade of bladder cancer. Grade was correlated with stage of the tumors... - Squamous and/or glandular differentiation in urothelial carcinoma: prevalence and significance in transurethral resections of the bladderA Billis
Department of Anatomic Pathology, School of Medicine, State University of Campinas UNICAMP, Campinas, Brazil
Int Urol Nephrol 33:631-3. 2001..It is controversial if urothelial carcinoma of the bladder with squamous and/or glandular differentiation is a more aggressive neoplasm than conventional urothelial carcinoma... - Inflammatory atrophy of the prostate. Prevalence and significanceAthanase Billis
Department of Anatomic Pathology, School of Medicine, State University of Campinas UNICAMP, Campinas, Brazil
Arch Pathol Lab Med 127:840-4. 2003..Recently, prostatic atrophy associated with chronic inflammation has been linked to carcinoma either directly or indirectly by first developing into high-grade prostatic intraepithelial neoplasia... - Prostate cancer with bladder neck involvement: pathologic findings with application of a new practical method for tumor extent evaluation and recurrence-free survival after radical prostatectomyAthanase Billis
Departments of Anatomic Pathology, Medical Genetics and Biostatistics, and Urology, School of Medicine, State University of Campinas UNICAMP, Campinas, Brazil
Int Urol Nephrol 36:363-8. 2004..Recent studies have questioned the high risk for disease recurrence in cases of bladder neck involvement by prostate cancer (pT4 disease)... - Relationship of age to outcome and clinicopathologic findings in men submitted to radical prostatectomyAthanase Billis
Department of Anatomic Pathology, School of Medicine, State University of Campinas, UNICAMP, Campinas, Sao Paulo, Brazil
Int Braz J Urol 31:534-9; discussion 539-40. 2005..It is controversial whether age is associated with higher grade and worse outcome. Some studies have not found age to be related to outcome nor younger age to be associated with better response to therapy... - The impact of the 2005 international society of urological pathology consensus conference on standard Gleason grading of prostatic carcinoma in needle biopsiesAthanase Billis
Department of Pathology, School of Medicine, State University of Campinas UNICAMP, Campinas, Brazil
J Urol 180:548-52; discussion 552-3. 2008..We compared the concordance of pattern and change of prognostic groups for the conventional and the modified Gleason grading, and checked the discriminative power of the modified Gleason grading... - Gleason score as predictor of clinicopathologic findings and biochemical (PSA) progression following radical prostatectomyMarbele S Guimaraes
Department of Anatomic Pathology, School of Medicine, State University of Campinas UNICAMP, Campinas, SP, Brazil
Int Braz J Urol 34:23-9. 2008..high-grade Gleason and Gleason scores 3+4 vs. 4+3... - Various morphometric measurements of cancer extent on needle prostatic biopsies: which is predictive of pathologic stage and biochemical recurrence following radical prostatectomy?Maisa M Q Quintal
Department of Pathology, School of Medicine, University of Campinas UNICAMP, Campinas, Brazil
Int Urol Nephrol 43:697-705. 2011..To find whether any particular method of measuring cancer extent on needle prostatic biopsies is superior to others in predicting pathological stage >T2 and biochemical recurrence following radical prostatectomy... - The significance of microscopic bladder neck invasion in radical prostatectomies: pT4 disease?Thais Ruano
Anatomic Pathology, School of Medicine, State University of Campinas, Caixa Postal 6111, Campinas 13084 971, Brazil
Int Urol Nephrol 41:71-6. 2009.... - Periacinar retraction clefting in nonneoplastic and neoplastic prostatic glands: artifact or molecular involvementWagner José Fávaro
Department of Anatomy, Institute of Biosciences, Univ Estadual Paulista UNESP, CP 510, 18618 970, Botucatu, SP, Brazil
Pathol Oncol Res 18:285-92. 2012..This study demonstrated the origin of and the biological mechanisms responsible for periacinar retraction clefting in prostatic carcinoma... - Tumor extent in radical prostatectomy specimens: is it an independent prognostic factor for biochemical (PSA) progression following surgery?Athanase Billis
Department of Pathology, School of Medicine, University of Campinas UNICAMP, Campinas, SP, Brazil
Int Urol Nephrol 43:417-22. 2011..We aimed at studying the independent prognostic value of tumor extent for biochemical progression-free following RP once it is controversial... - Focal prostatic atrophy: mimicry of prostatic cancer on TRUS and 3D-MRSI studiesAdilson Prando
Radiology, Hospital Vera Cruz, Campinas, SP, Brazil
Abdom Imaging 34:271-5. 2009..When extensive FPA is the only finding in patients with several negative prostatic biopsies, this lesion may be the source for PSA elevation... - Prostate cancer pathologic stage pT2b (2002 TNM staging system): does it exist?Maisa M Quintal
Department of Anatomic Pathology, School of Medicine, State University of Campinas, Campinas, SP, Brazil
Int Braz J Urol 32:43-7. 2006..A recent study questioned the existence of a true pathologic pT2b tumor. The aim of our study is to verify this question... - Surgical margins in radical prostatectomy: a comparison between retropubic and laparoscopic surgeryElcio Silva
Urology Department, State University of Campinas UNICAMP, Av Andrade Neves, 784 1 degrees andar, Campinas, 13013 161, Brazil
Int Urol Nephrol 39:865-9. 2007..To compare positive surgical margins in both radical retropubic prostatectomies and laparoscopic surgery in two reference centres in Brazil... - Expression of alpha-methylacyl coenzyme A racemase in partial and complete focal atrophy on prostate needle biopsiesAdriana Worschech
Department of Pathology, School of Medicine, University of Campinas, Campinas, SP, Brazil
Anal Quant Cytol Histol 31:424-31. 2009..To describe the behavior of alpha-methylacyl coenzyme A racemase (AMACR) in focal atrophy including all subtypes. Focal prostatic atrophy is the benign lesion that most frequently mimicks adenocarcinoma particularly the partial variant... - Atrophy in specimens of radical prostatectomy: is there topographic relation to high-grade prostatic intraepithelial neoplasia or cancer?Antonio A Brasil
School of Medicine, State University of Campinas, Campinas, Brazil
Int Urol Nephrol 43:397-403. 2011..The aim of this study was to analyze in radical prostatectomies a possible topographic relation of the lesions... - The triple clinicopathologic features to seminal vesicle-sparing radical prostatectomyLeonardo Oliveira Reis
Department of Surgery Urology, School of Medicine, University of Campinas UNICAMP, Campinas, Sao Paolo, Brazil
J Endourol 24:1535-9. 2010..We evaluated clinicopathologic findings that are associated with SVI to select patients for potential seminal vesicle-sparing surgery... - Evolution on experimental animal model for upper urothelium carcinogenesisLeonardo O Reis
Department of Urology, Division of Urologic Oncology, School of Medicine, University of Campinas, R Votorantim, 51, Ap 43, Campinas, SP, 13073 090, Brazil
World J Urol 28:499-505. 2010..This study characterized the histopathological features on top of immunolocalization of alpha-dystroglycans (alpha-DG) and matrix metalloproteinase (MMP-9) and cell turn-over in the upper urinary tract using a novel experimental model... - Anti-angiogenic effects of the superantigen staphylococcal enterotoxin B and bacillus Calmette-Guérin immunotherapy for nonmuscle invasive bladder cancerLeonardo O Reis
Department of Urology, School of Medicine, University of Campinas, Campinas, Sao Paolo, Brazil
J Urol 187:438-45. 2012..We compared and characterized the effects of intravesical bacillus Calmette-Guérin and/or staphylococcal enterotoxin B for nonmuscle invasive bladder cancer... - Prostatic diseases in the senescence: structural and proliferative featuresAmanda C Hetzl
Department of Anatomy, Institute of Biology, University of Campinas, SP, Brazil
Aging Male 13:124-32. 2010..Finally, the imbalance in prostatic stroma-epithelium interaction was a harmful feature in the elderly men as a result of structural changes, which are crucial factors for the development and progression of carcinogenesis... - Paraganglioma of seminal vesicle and chromophobe renal cell carcinoma: a case report and literature reviewCésar Augusto Alvarenga
Department of Pathology, Universidade Estadual de Campinas, Campinas, Sao Paulo, Brazil
Sao Paulo Med J 130:57-60. 2012..Extra-adrenal paragangliomas are rare tumors that have been reported in many locations, including the kidney, urethra, urinary bladder, prostate, spermatic cord, gallbladder, uterus and vagina... - Prostatic atrophy: immunohistochemical study of hypoxia induced factorsLuciana R Meirelles
Department of Anatomic Pathology, School of Medicine, State University of Campinas UNICAMP, Mail Post 6111, ZIP Code 13084971, Campinas, Brazil
Int Urol Nephrol 38:577-81. 2006..There is evidence that chronic local ischemia may be one possible etiology of prostatic atrophy (PA). Our aim was to study the expression of hypoxia induced factors in areas of PA... - Prostatic atrophy: evidence for a possible role of local ischemia in its pathogenesisLuciana R Meirelles
Department of Anatomic Pathology, School of Medicine, State University of Campinas (UNICAMP, Campinas, Brazil
Int Urol Nephrol 34:345-50. 2002..Absent flow in the majority of the lesions studied may be a further evidence for a possible role of local ischemia in the etiopathogenesis of prostatic atrophy... - Renal medullary carcinoma: report of seven cases from BrazilIsabela C Watanabe
1State University of Campinas, Sao Paulo, Brazil
Mod Pathol 20:914-20. 2007..This case raises the question whether a periodic search for renal medullary carcinoma in young patients who have known abnormalities of the hemoglobin gene and hematuria could result in an early diagnosis and a better survival... - Female urethral carcinoma: evidences to origin from Skene's glandsLeonardo Oliveira Reis
Department of Urology, School of Medicine, University of Campinas UNICAMP, Sao Paolo, Brazil
Urol Oncol 29:218-23. 2011..Prostate-specific antigen (PSA) is considered an evidence of origin from Skene's glands. We considered the origin from these glands in PSA negative cases... - Renal medullary carcinoma. Case report and review of the literatureVictor Augusto Leitão
Division of Urology, Universidade Estadual de Campinas, Campinas, Brazil
Urol Int 77:184-6. 2006..Whenever a patient with sickle cell trait or disease presents with hematuria and/or flank pain, the possibility of a renal medullary carcinoma should always be kept in mind, with thorough investigation and expeditious treatment... - Fibroblast growth factor, estrogen, and prolactin receptor features in different grades of prostatic adenocarcinoma in elderly menAmanda Cia Hetzl
Department of Structural and Functional Biology, Institute of Biology, University of Campinas UNICAMP, Campinas, SP, Brazil
Microsc Res Tech 76:321-30. 2013..Microsc. Res. Tech. 76:321-330, 2013. © 2013 Wiley Periodicals, Inc... - Primary leiomyosarcoma of the inferior vena cava: How should it be treated and the vein anatomy re-established?Ricardo Reges
Department of Urology, Universidade Estadual de Campinas, Sao Paulo, Brazil
Int J Urol 15:259-60. 2008..The patient was followed for 14 months and did not present any postoperative intercurrence. In conclusion, the leiomyosarcoma is a rare tumor that should be surgically treated with wide margin resections in order to prevent relapses... - Nephron-sparing surgery for renal tumours using selective renal parenchymal clampingFernandes Denardi
Division of Urology, School of Medicine, State University of Campinas (UNICAMP, Campinas, , Brazil
BJU Int 96:1036-9. 2005..The operative duration and blood loss are acceptable and the complications similar to those with the conventional technique. The size and position of the tumour could be limiting factors to this technique... - Grading of invasive cribriform carcinoma on prostate needle biopsy: an interobserver study among experts in genitourinary pathologyMathieu Latour
Department of Pathology, The Johns Hopkins Hospital, Baltimore, MD 21231, USA
Am J Surg Pathol 32:1532-9. 2008..In conclusion, most of the small cribriform cancer foci seen on needle biopsy should be interpreted as Gleason pattern 4 and not pattern 3... - Fat invasion in ten-core prostate needle biopsies: incidence, biopsy and clinical findingsAthanase Billis
Int Braz J Urol 30:346-7. 2004 - Re: Inflammatory atrophy on prostate needle biopsies: is there topographic relationship to cancer?Athanase Billis
Int Braz J Urol 33:566-8. 2007 - Intraprostatic fat: does it exist?Athanase Billis
Hum Pathol 35:525. 2004 - Re: Perineural invasion by transitional cell carcinoma of the bladder in patients submitted to radical cystectomy: what is the prognostic value?Athanase Billis
Int Braz J Urol 33:422. 2007