Prognostic Role of PET-FDG Before Autologous Stem Cell Transplantation in Advanced Hodgkin's Lymphoma.

Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 1548-1548
Author(s):  
Alessandro Pulsoni ◽  
Elena Cavalieri ◽  
Saveria Capria ◽  
Fabio Torelli ◽  
Giorgia Annechini ◽  
...  
Keyword(s):  
Stem Cell ◽  
Positive Predictive Value ◽  
Stem Cell Transplantation ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Prognostic Role ◽  
Resistant Disease ◽  
Extranodal Disease

Abstract Abstract 1548 Poster Board I-571 PET-FDG (PET) has assumed in recent years a relevant role in the management of patients with Hodgkin Lymphoma (HL). In advanced stage HL, PET performed after two courses of ABVD chemotherapy has demonstrated a very high negative predictive value (NPV) and positive predictive value (PPV), and is presently considered the most relevant available prognostic factor in correlation with outcome. The aim of our study was to investigate the prognostic role of PET performed before autologous stem cell transplantation (ASCT) in resistant or relapsed HL. From June 2002 to December 2008, 32 patients with resistant or relapsed HL underwent a salvage chemotherapy program consisting of 3 or 4 courses of IEV or IGEV chemotherapy with peripheral blood stem cell collection followed by BEAM conditioned ASCT. Eight patients were consolidated with the BEACOPP regimen (2 to 4 courses) before transplantation. Median age was 30.4 years (range 21.6 – 61.4); 19 were males. At the time of enrolment, B symptoms were present in 4 patients and bulky and/or extranodal disease was recorded in 7 patients; the International Prognostic Score (IPS) was ≥2 in 15 patients. Sixteen patients were resistant to first-line chemotherapy, 13 were in first relapse (in 6 cases occurred earlier than 12 months), 3 were in second or subsequent relapse. Pre-transplant PET evaluation was negative in 21 cases: of these, 16 are currently in continuous complete remission (CCR) after a median follow-up of 30 months (range 7.0 – 59.0), while 5 have relapsed after a median of 10 months from transplant (range 3.0 – 11.0). Among the 11 patients autografted after a positive PET, 9 have relapsed after a median of 8.3 months (range 3.3 – 18.6). In the figure is shown the progression free survival of the patients stratified by pre-transplant PET. On the entire population the negative predictive value (NPV) of pre-transplant PET was 76.2%, while the positive predictive value (PPV) was 81.8%. Analyzing separately patients enrolled with a primary resistant disease, the NPV was 62.5% and the PPV was 75.0%. In the group of patients enrolled in relapse NPV was 84.6% and PPV was 100%. The prognostic value of the following parameters at the time of enrolment was evaluated: presence of bulky and/or extranodal disease, number of previous chemotherapy lines, chemoresistance/chemosensitivity to pre-transplant therapy evaluated by CT scan: no statistically significant correlation with the outcome was recorded. In conclusion, our preliminary results show a relevant prognostic role of pre-transplant PET in patients with advanced phase HL: 76% of patients with a negative pre-transplant PET obtained a CCR compared to only 18% of those with a positive pre-transplant PET (p = 0.003). The predictive role of pre-transplant PET is superior in patients undergoing the transplant program for a relapsed disease with respect to those with a primary resistant disease. Other prognostic factors need to be considered, although none of those so far examined showed a statistically significant role. These data need to be conclusively confirmed on a larger number of patients and a longer follow-up. Disclosures No relevant conflicts of interest to declare.

scholarly journals Role of diffusion-weighted magnetic resonance imaging in assessment of mammographically detected asymmetric densities

2020 ◽  
Vol 51 (1) ◽  
Author(s):  
Mohamed Zidan ◽  
Shimaa Ali Saad ◽  
Eman Abo Elhamd ◽  
Hosam Eldin Galal ◽  
Reem Elkady
Keyword(s):  
Positive Predictive Value ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Benign Lesions ◽  
Adc Value ◽  
Dce Mri ◽  
Diffusion Weighted ◽  
Breast Asymmetries ◽  
Malignant Lesions

Abstract Background Asymmetric breast density is a potentially perplexing finding; it may be due to normal hormonal variation of the parenchymal pattern and summation artifact or it may indicate an underlying true pathology. The current study aimed to identify the role of diffusion-weighted imaging (DWI) and the apparent diffusion coefficient (ADC) values in the assessment of breast asymmetries. Results Fifty breast lesions were detected corresponding to the mammographic asymmetry. There were 35 (70%) benign lesions and 15 (30%) malignant lesions. The mean ADC value was 1.59 ± 0.4 × 10–3 mm2/s for benign lesions and 0.82 ± 0.3 × 10–3 mm2/s for malignant lesions. The ADC cutoff value to differentiate between benign and malignant lesions was 1.10 × 10–3 mm2/s with sensitivity 80%, specificity 88.6%, positive predictive value 75%, negative predictive value 91%, and accuracy 86%. Best results were achieved by implementation of the combined DCE-MRI and DWI protocol, with sensitivity 93.3%, specificity 94.3%, positive predictive value 87.5%, negative predictive value 97.1%, and accuracy 94%. Conclusion Dynamic contrast-enhanced MRI (DCE-MRI) was the most sensitive method for the detection of the underlying malignant pathology of breast asymmetries. However, it provided a limited specificity that may cause improper final BIRADS classification and may increase the unnecessary invasive procedures. DWI was used as an adjunctive method to DCE-MRI that maintained high sensitivity and increased specificity and the overall diagnostic accuracy of breast MRI examination. Best results can be achieved by the combined protocol of DCE-MRI and DWI.

Isolated demyelinating syndromes: comparison of CSF oligoclonal bands and different MR imaging criteria to predict conversion to CDMS

2001 ◽  
Vol 7 (6) ◽  
pp. 359-363 ◽  
Author(s):  
M Tintoré ◽  
A Rovira ◽  
L Brieva ◽  
E Grivé ◽  
R Jardí ◽  
...  
Keyword(s):  
Mr Imaging ◽  
Positive Predictive Value ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
High Sensitivity ◽  
Oligoclonal Bands ◽  
High Negative Predictive Value ◽  
Csf Oligoclonal Bands ◽  
Sensitivity Specificity

Aim of the study: To evaluate and compare the capacity of oligoclonal bands (OB) and three sets of MR imaging criteria to predict the conversion of clinically isolated syndromes (CIS) to clinically definite multiple sclerosis (CDMS). Patients and methods: One hundred and twelve patients with CIS were prospectively studied with MR imaging and determination of OB. Based on the clinical follow-up (conversion or not conversion to CDMS), we calculated the sensitivity, specificity accuracy, positive and negative predictive value of the OB, and MR imaging criteria proposed by Paty et al, Fazekas et al and Barkhof et al. Results: CDMS developed in 26 (23.2%) patients after a mean follow-up of 31 months (range 12-62). OB were positive in 70 (62.5%) patients and were associated with a higher risk of developing CDMS. OB showed a sensitivity of 81%, specificity of 43%, accuracy of 52%, positive predictive value (PPV) of 30% and negative predictive value (NPV) of 88%. Paty and Fazekas criteria showed the same results with a sensitivity of 77%, specificity of 51%, accuracy of 57%, positive predictive value of 32% and negative predictive value of 88%. Barkhof criteria showed a sensitivity of 65%, specificity of 70%, accuracy of 69%, PPV of 40% and NPV of 87%. The greatest accuracy was achieved when patients with positive OB and three or four Barkhof's criteria were selected. Conclusions: We observed a high prevalence of OB in CIS. OB and MR imaging (Paty's and Fazekas' criteria) have high sensitivity. Barkhof's criteria have a higher specificity. Both OB and MR imaging criteria have a high negative predictive value.

The Role of Autologous Stem Cell Transplantation (ASCT) in Patients with Advanced Waldenström’s Macroglobulinemia.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 941-941
Author(s):  
Charalampia Kyriakou ◽  
C. Canals ◽  
A. Sureda ◽  
G. Taghipour ◽  
C. Gisselbrecht ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Cell Transplantation ◽  
Autologous Stem Cell Transplantation ◽  
Significant Proportion ◽  
Safe Procedure ◽  
Conditioning Regimens ◽  
Retrospective Multicenter Study

Abstract Waldenström’s macroglobulinaemia (WM) is a relatively rare disorder that primarily affects elderly patients. Conventional therapies for symptomatic WM result in response rates of up to 70%. However, complete responses are rare and the disease remains incurable. Due to the indolent nature of the disease and the older age of patients the role of autologous stem cell transplantation (ASCT) in the treatment of patients with WM has not been analyzed in large series. In this retrospective multicenter study we report the outcome of 201 WM patients (132 male, 69 female), who underwent ASCT between 1992 and 2005. The median age at transplant was 53 years (22–73) and the median time from diagnosis to transplant was 18 months (3–239). Forty patients (20%) were in 1st maximum response (MR1), 24 (12%) in ≥MR2, 83 (41%) in PR1, 27 (13%) in ≥PR2 and 27(14%) were primary refractory to treatment. Conditioning regimens were BEAM (44%), TBI/Cyclophosphamide or Melphalan (28%), Melphalan (14%), BuCy (2%) and others (12%). The source of stem cells was PB in 188, BM in 10, and both in 3 patients. All patients but 3 had successful engraftment. With a median follow-up of 26 months (5–163), 112 (56%) patients are alive and free of disease, 73 (36%) patients have relapsed after a median of 14 months (1–110) post ASCT. Fifty-two patients died, 36(18%) from disease progression and 16(8%) from treatment toxicity. Non- relapse mortality was 6% at 1 year. The actuarial OS was 86% at 1 year, 75% at 3 years, and 61% at 5 years. The probability of relapse was 20% at 1 year, 38% at 3 years and 55% at 5 years with an estimated PFS of 74%, 54% and 33% at 1, 3, and 5 years respectively. Multivariate analysis revealed that, chemosensitive disease at the time of ASCT was the most important factor for NRM (p<0.001), relapse rate (p<0.01), PFS (p<0.001) and OS (p<0.001). In conclusion, this study suggests that ASCT is a safe procedure in patients with WM and that a significant proportion of heavily pre-treated patients with this disorder can respond to the procedure and achieve prolonged PFS.

How well do ACPA discriminate and predict RA in the general population: a study based on 12 590 population-representative Swedish twins

2016 ◽  
Vol 76 (1) ◽  
pp. 119-125 ◽  
Author(s):  
Aase Haj Hensvold ◽  
Thomas Frisell ◽  
Patrik K E Magnusson ◽  
Rikard Holmdahl ◽  
Johan Askling ◽  
...  
Keyword(s):  
General Population ◽  
Positive Predictive Value ◽  
Diagnostic Accuracy ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Blood Donation ◽  
Large Population ◽  
Serum Samples ◽  
Protein Levels

ObjectiveAnti-citrullinated protein antibodies (ACPA) are highly specific for rheumatoid arthritis (RA), but the diagnostic accuracy of ACPA in the general population has not been thoroughly assessed. We aimed to assess the diagnostic accuracy of ACPA for RA in the general population and to further characterise the citrullinated peptide recognition pattern.MethodsSerum samples from a large population-representative twin cohort consisting of 12 590 individuals were analysed for the presence of ACPA using anti-CCP2 ELISA. All ACPA-positive samples were further tested on ELISAs for four peptide-specific ACPA. RA cases were identified by linkage to the Swedish National Patient Register at inclusion and after a median follow-up of 37 months (IQR 31–49).Results350 out of 12 590 individuals had a positive anti-CCP2 test, measuring ACPA. Of these, 103 had an RA diagnosis at the time of blood donation and inclusion. During a median follow-up of 3 years, an additional 21 of the remaining 247 ACPA-positive individuals developed RA. Overall, a positive anti-CCP2 test had a positive predictive value of 29% for prevalent RA at inclusion (negative predictive value of 99.6%). High titres (>3× cut-off) of anti-CCP2 increased the positive predictive value to 48% (negative predictive value of 99.5%). ACPA-positive individuals without RA had lower anti-CCP2 titres and fewer peptide-specific ACPA than ACPA-positive patients with RA and higher C reactive protein levels than ACPA-negative individuals without RA.ConclusionPresence of ACPA and especially high titres of anti-CCP2 have a high diagnostic accuracy for an RA diagnosis in a population setting.

scholarly journals ROLE OF HYSTEROSALPINGOGRAPHY IN MANAGEMENT OF FEMALE INFERTILITY AND ITS LAPAROSCOPIC CORRELATION

2019 ◽  
pp. 1-2
Author(s):  
(prof.) Alka Agrawal
Keyword(s):  
Positive Predictive Value ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Uterine Cavity ◽  
Fallopian Tubes ◽  
Radiographic Technique ◽  
Invasive Techniques ◽  
Work Up ◽  
Tubal Pathology

BACKGROUND : Infertility nowadays has become a medical as well as social problem.Laboratory findings alone is inconclusive in diagnosing infertility.HSG is the radiographic technique for evaluation of uterine cavity & fallopian tubes..Direct visualization of abdominal and pelvic organs in laparoscopy allows a definite diagnosis where clinical examination & less invasive techniques such as ultrasound & HSG fail to identify the abnormality. AIMS & OBJECTIVES :To determine the role of HSG in the evaluation of infertility & to correlate its findings with laparoscopy. METHODS : 75 infertile females aged between 20-40 years were included. HSG & laparoscopy was performed in all patients & findings were analysed. RESULTS : Sensitivity of HSG was 80 %,specificity was 76 % with positive predictive value 63%, negative predictive value 88 % in detecting tubal pathology. Sensitivity of HSG in detecting uterine pathology was 67%, specificity 73%, positive predictive value 39% and negative predictive value 89%. CONCLUSION : HSG has reasonably good sensitivity & specificity in diagnosing tubal & uerine pathology while laparoscopy has diagnostic as well as therapeutic approach.Hence they are complimentary to each other in infertility work up.

scholarly journals Role of laparoscopy in the Etiologic Diagnosis of Ascites of Unknown Origin

2017 ◽  
Vol 13 (1) ◽  
pp. 13-16
Author(s):  
Anup Sharma ◽  
P. Thapa ◽  
S. N. Gupta
Keyword(s):  
Positive Predictive Value ◽  
Peritoneal Carcinomatosis ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
College Teaching ◽  
Unknown Origin ◽  
Peritoneal Tuberculosis ◽  
Medical College ◽  
Etiologic Diagnosis

Introduction: Ascites is a consequence of many different etiologies, such as liver cirrhosis, neoplasm, tuberculous peritonitis, pyogenic peritonitis, congestive heart failure, renal and pancreatic diseases but, in some situations, ascites is of unknown cause in spite of comprehensive study. The aim of this study was to identify the role of laparoscopy in the etiological diagnosis of ascites of unknown origin.Methods: This was a prospective study of the patients who underwent diagnostic laparoscopy to determine the causes of ascites of unknown origin in the Department of Surgery, Nepalgunj Medical College Teaching Hospital from April 2012 to May 2014. All the patients underwent laparoscopy for the evaluation of ascites after appropriate clinical and laboratory examinations, which failed to reveal the cause.Results: Peritoneal tuberculosis and carcinomatosis peritonei were the two most common causes found in 37.14% and 57.14% of cases respectively. The average age of the patients was 52 years. Distension of abdomen, abdominal pain and weight loss were the most frequently observed symptoms in 33 patients (100%), 26 patients (74.28%) and 18 patients (51.42%) respectively. The CT scan findings, were a omental thickening in 28 cases (80%), peritoneal nodules in 7(20%) patients and the intraabdominal lymph nodes in 13 patients (39.39%). Ovarian mass was found in 4 patients (11.42%). The histological diagnosis was a peritoneal carcinomatosis in 13 (37.14%) patients and peritoneal tuberculosis in 20 (57.1%) patients and in two patients nonspecific inflammation. The sensitivity and specificity of laparoscopic diagnosis in the diagnosis of peritoneal tuberculosis were 78.67% and 98.6% respectively and in the diagnosis of peritoneal carcinomatosis were 94.78% and 72.2% respectively. The positive predictive value was 97.3% and the negative predictive value was 73.7% for peritoneal tuberculosis and for peritoneal carcinomatosis the positive predictive value was 83.7% and negative predictive value was 94.87%.Conclusion: The etiologic diagnosis of ascites of unknown origin is difficult despite the availability of several tests. Laparoscopy with peritoneal biopsy has still got a role in diagnosing these types of ascites where the other laboratory and imaging studies fail to reveal the cause.Journal of Nepalgunj Medical College Vol.13(1) 2015: 13-16

Factors Predicting Hypothyroidism in Long-Term Follow-Up after131I Therapy

1988 ◽  
Vol 27 (04) ◽  
pp. 135-139 ◽  
Author(s):  
M. Critchley ◽  
C. R. Squire ◽  
T. M. D. Gimlette
Keyword(s):  
Positive Predictive Value ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Elevated Serum ◽  
Thyroid Autoantibodies ◽  
Radioiodine Treatment ◽  
Long Term Follow Up ◽  
Serum Tsh

187 patients, euthyroid for more than a year after radioiodine treatment for hyperthyroidism, were studied for 10 years; 81 (43%) became hypothyroid. The incidence of hypothyroidism was lower in patients initially presenting with large thyroids (28%) or with nodular thyroids (22%) and in those without thyroid autoantibodies (31 %). During follow-up, an elevated serum TSH was present in all 81 patients when they became hypothyroid (sensitivity and negative predictive value 100%), and was present for at least a year in 98% of these. However, an elevated serum TSH was also present in 48% of 106 patients remaining euthyroid (positive predictive value 61 %). FT4I was low in 94% of patients who became hypothyroid and normal in 80% of patients who remained euthyroid (positive predictive value 78%, negative predictive value 93%). Serum TSH and FT4I were the best biochemical predictors. FT3I and serum cholesterol were less satisfactory. A palpable thyroid becoming impalpable, though readily assessed, was limited in usefulness. Clinical appraisal remains important and a progressive, though perhaps less rapid, later increase in the incidence of hypothyroidism appears likely.

scholarly journals Foveal crack sign as a predictive biomarker for development of macular hole in fellow eyes of patients with full-thickness macular holes

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Olga Furashova ◽  
Egbert Matthé
Keyword(s):  
Positive Predictive Value ◽  
Negative Predictive Value ◽  
Macular Hole ◽  
Predictive Value ◽  
Progression Rate ◽  
Full Thickness ◽  
Vitreous Detachment ◽  
Macular Holes ◽  
Fellow Eyes

AbstractTo investigate the prevalence and predictive value of the foveal crack sign (FCS) in fellow eyes of patients with full-thickness macular holes (FTMH) regarding future macular hole (MH) formation. In a retrospective observational case series, 113 fellow eyes of 113 patients with FTMH have been observed during a mean follow-up time of 21 months. According to baseline SD-OCT images, patients were divided into 4 separate groups: patients with FCS and vitreous adhesion, patients with FCS and vitreous detachment, patients without FCS with vitreous adhesion, patients without FCS with vitreous detachment. Progression rate to MH formation, predictive value of FCS and of vitreous interface status were calculated and compared across the four groups. FCS was observed in 19 of 113 fellow eyes (17%) of patients with FTMH, 10 of them with progression to MH during the mean follow up time of 21 months. 2 other eyes with progression to MH showed no FCS at baseline. Progression rate was shown to be 77% (10 of 13 eyes) in patients with FCS and vitreous adhesion, 0% (none of 6 eyes) in patients with FCS and vitreous detachment, 4% (2 of 48 eyes) in patients without FCS with vitreous adhesion, 0% (none of 46 eyes) in patients without FCS with vitreous detachment. FCS had sensitivity of 83.3% (95% CI 50.9–97.1%) and specificity of 91.1% (95% CI 83.3–95.6%) in predicting MH formation, positive predictive value of FCS was 52.6% (95% CI 29.5–74.8%) and negative predictive value 97.9% (95% CI 91.8–99.6%). Having simultaneously FCS and vitreous adhesion showed 83.3% (95% CI 50.9–97.1%) sensitivity and 97.1% (95% CI 91.1–99.2%) specificity in predicting macular hole formation; positive predictive value was 76.9% (95% CI 46.0–93.8%) and negative predictive value was 98.0% (95% CI 92.4–99.7%). Fellow eyes of patients with FTMH with foveal crack sign are at a very high risk (77%) of FTMH development, as long as posterior vitreous adhesion is present.

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