scholarly journals HER-2 neu expression in surface epithelial ovarian tumors and its relationship with clinic-pathological parameters: a pilot study

2021 ◽  
Author(s):  
Abhimanyu Grover ◽  
Madhusmita Mohanty ◽  
Kanakalata Dash
Keyword(s):  
Histological Grade ◽  
Nodal Metastasis ◽  
Histological Type ◽  
Low Grade ◽  
High Grade ◽  
New Era ◽  
Epithelial Ovarian Neoplasm ◽  
Ovarian Surface Epithelial ◽  
Hematoxylin And Eosin Stain ◽  
A Prospective Study

Background: Ovarian cancer is one of the major source of morbidity and mortality in women among all gynecological malignancies. Her2/neu expression in ovarian carcinoma has not been studied extensively in ovarian surface epithelial carcinoma. It's can be utilized towards future proposed studies as a targeted therapy in new era of treatment for ovarian malignancies.Methods: It was a prospective study carried for 2 years. Hematoxylin and eosin stain was studied, grading, staging was evaluated for all the cases. Immunohistochemical staining with HER2/neu was done, evaluation done by 3 independent pathologists, correlation of HER2/neu with histological type, grade and stage was done.  Results: The present study included 33 cases of histologically proven epithelial ovarian neoplasm with mean age of 44.5±25.55 years. Serous type constitutes majority of cases (48.48%), maximum number of cases was in high grade (57.57%) and high stage (40.74%). Majority of tumors showed negative expression of HER2/neu i.e. 42.42%. The current study found no significant correlation between HER2/neu expression and histological type, histological grade, extent of tumor (T stage) and distant metastasis. But we found a significant correlation between nodal metastasis and HER2/neu expression.Conclusions: HER2/neu therapy can be given in borderline and low grade tumor compared to high grade tumor.

scholarly journals Stereology in Grading and Prognosis of Canine Cutaneous Mast Cell Tumors

2021 ◽  
pp. 030098582098513
Author(s):  
Mafalda Casanova ◽  
Sandra Branco ◽  
Inês Berenguer Veiga ◽  
André Barros ◽  
Pedro Faísca
Keyword(s):  
Mast Cell ◽  
Clinical Outcome ◽  
Prognostic Value ◽  
Histological Grade ◽  
Intraobserver Variability ◽  
Low Grade ◽  
High Grade ◽  
Mast Cell Tumors ◽  
Cutaneous Mast Cell ◽  
Grade Iii

Canine cutaneous mast cell tumors (ccMCTs) are currently graded according to Patnaik and Kiupel grading schemes. The qualitative and semiquantitative parameters applied in these schemes may lead to inter- and intraobserver variability. This study investigates the prognostic value of volume-weighted mean nuclear volume ([Formula: see text]), a stereological estimation that provides information about nuclear size and its variability. [Formula: see text] of 55 ccMCTs was estimated using the “point-sampled intercept” method and compared with histological grade and clinical outcome. The clinical history of dogs treated with surgical excision alone was available for 30 ccMCTs. Statistical differences in [Formula: see text] were found between grade II ([Formula: see text]= 115 ± 29 µm3) and grade III ccMCTs ([Formula: see text]= 197 ± 63 µm3), as well as between low-grade ([Formula: see text]= 113 ± 28 µm3) and high-grade ccMCTs ([Formula: see text]= 184 ± 63 µm3). An optimal cutoff value of [Formula: see text] ≥ 150 µm3 and [Formula: see text] ≥ 140 µm3 was determined for grade III and high-grade ccMCTs, respectively. In terms of prognosis, [Formula: see text] was not able to predict the clinical outcome in 42% of the cases; however, cases with [Formula: see text]<125 µm3 had a favorable outcome. These results indicate that, despite having limited prognostic value when used as a solitary parameter, [Formula: see text] is highly reproducible and is associated with histological grade as well as with benign behavior.

scholarly journals Low residual proliferation after short-term letrozole therapy is an early predictive marker of response in high proliferative ER-positive breast cancer

2011 ◽  
Vol 18 (6) ◽  
pp. 721-730 ◽  
Author(s):  
Philippe L Bedard ◽  
Sandeep K Singhal ◽  
Michail Ignatiadis ◽  
Ian Bradbury ◽  
Benjamin Haibe-Kains ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Gene Expression ◽  
Clinical Response ◽  
Histological Grade ◽  
Low Grade ◽  
High Grade ◽  
Early Assessment ◽  
Short Term ◽  
Er Positive ◽  
Positive Breast Cancer

The gene expression grade index (GGI) is a 97-gene algorithm that measures proliferation and divides intermediate histological grade tumors into two distinct groups. We investigated the association between early changes in GGI and clinical response to neoadjuvant letrozole and compared this to Ki67 values. The paired gene expression data at the beginning and after 10–14 days of neoadjuvant letrozole treatment were available for 52 post-menopausal patients with estrogen receptor (ER)-positive breast cancer. Baseline values and changes in GGI, Ki67, and RNA expression modules representing oncogenic signaling pathways were compared to sonographic tumor volume changes after 3 months of treatment in the subsets of patients defined by high and low baseline GGI. The clinical response was observed in 80% genomic low-grade (24/30) and 59% genomic high-grade (13/22) tumors (P=0.10). Low residual proliferation after 10–14 days of neoadjuvant letrozole therapy, measured by either GGI or Ki67, was associated with sonographic response in genomic high-grade (GGI, P=0.003; Ki67, P=0.017) but not genomic low-grade (GGI, P=0.25; Ki67, P=1.0) tumors. The analysis of expression modules suggested that sonographic response to letrozole in genomic high-grade tumors was associated with an early reduction in IGF1 signaling (unadjusted P=0.018). The major conclusion of this study is that the early assessment of proliferation after short-term endocrine therapy may be useful to evaluate endocrine responsiveness, particularly in genomic high-grade ER-positive breast cancer.

scholarly journals Assessment of the immunoexpression profile of breast ductal carcinoma with Cyclin D1, Her-2/Neu and p53 at Yangon General Hospital, Myanmar

2021 ◽  
Vol 5 (1) ◽  
pp. 44-49
Author(s):  
Khin Darli Tun ◽  
Min Ko Ko ◽  
Sudha Arumugam ◽  
Srikumar Chakravarthi ◽  
Jaya Vejayan
Keyword(s):  
Monoclonal Antibodies ◽  
Cyclin D1 ◽  
Invasive Ductal Carcinoma ◽  
Ductal Carcinoma ◽  
Histological Grade ◽  
Low Grade ◽  
High Grade ◽  
Carcinoma Of The Breast ◽  
Intermediate Grade ◽  
Ductal Carcinomas

One hundred cases of histologically proven invasive ductal carcinomas were histologically graded based on modified Bloom and Richardson Grading. Out of these 17 cases each of low grade, intermediate grade, and high grade invasive ductal carcinomas were selected for Immunostaining using the monoclonal antibodies Cyclin D1,pP53 and Her2/neu. It was found that for all three monoclonal antibodies the lowest histological grade of Invasive Ductal Carcinoma of the Breast showed the lowest positivity with Cyclin D1 ( 11.76%) and p53 ( 17.64%) and Her2/neu ( 47.05%). The intermediate grade tumour showed ( 70.58% ) positivity with Cyclin D1 and 58.58 % in p53 and Her2/neu. The high grade invasive ductal carcinoma of the breast showed the highest positivity of Cyclin D1 (76.47%) , p53 (88.24% ) ,Her2/neu ( 94.12% ); These suggest that Cyclin D1 , P53 and Her2/neuimmunoexpression positivity increases with rising histological grades of invasive ductal carcinoma of breast. 

scholarly journals Relación Entre El Coeficiente De Difusión Aparente y la celularidad. [Relación Entre El Coeficiente De Difusión Aparente yLa Celularidad De Gliomas en Centro de tercer nivel de Panamá]

2020 ◽  
Vol 40 (1) ◽  
Author(s):  
José María Barría Castro ◽  
Linamar Antuaneth Caballero Vega ◽  
Javier Augusto Pimentel Sández ◽  
Fernando Miguel Sucre Grimaldo
Keyword(s):  
Magnetic Resonance ◽  
Malignant Tumors ◽  
Histological Grade ◽  
Statistical Significance ◽  
Region Of Interest ◽  
Low Grade ◽  
High Grade ◽  
Anatomic Site ◽  
Adc Values ◽  
High Grade Gliomas

<p>Resumen<br /><br />Introducción: Los gliomas son tumores malignos altamente celulares del sistema nervioso central. Su grado histológico preoperatorio es de utilidad en el manejo quirúrgico, por lo que la resonancia magnética con secuencias avanzadas intenta brindar mayor información tumoral.  <br />Objetivo: Relacionar el coeficiente aparente de difusión (CAD) y celularidad de los gliomas de pacientes entre enero 2015 a diciembre 2017.</p><p><br />Metodología:Retrospectivamente se obtuvieron de archivos clínicos la edad, sexo, tipo, grado histológicoy sitio anatómico. Se calculó el CAD en 5mm2 en los estudios de resonancia magnética preoperatorias y se utilizó las laminillas para conteo de celularidad en 5mm2 digitalmente. Se utilizó análisis estadísticos descriptivos y coeficiente de correlación entre CDA con celularidad. Se utilizaron valores de p &lt; 0.05 para significancia estadística.<br />Resultados: 46 casos fueron incluidos, 56.5% fueron hombres. El rango de 41-64 años fueron los más afectados. El glioblastoma fue el tipo histológico más frecuente (47.8%), así como los gliomas de alto grado (73.9%). El 95.7% fueron supratentoriales. La celularidad promedio fue de 3970 ± 2900 vs 2436 ± 948 núcleos/5mm2 (p = 0.13), con valores promedio de CDA mínimo de 0.813 x 10-3 ± 0.229 mm2/s vs 1.052 x 10-3 ± 0.196 mm2/s (p = 0.002), para los gliomas de alto y bajo grado respectivamente. La correlación entre CDA y celularidad fue débil (R = - 0.13, p = 0.37).</p><p><br />Conclusión: Existe correlación débil inversamente proporcional entre el CDA y la celularidad con distinción de gliomas de bajo y alto grado con valores de CDA mínimos.<br /><br /> <br />Abstract<br />Introduction: Gliomas are highly cellular malignant tumors of the central nervous system. Itspreoperative histological grade is useful in surgical management,so magnetic resonance imaging with advanced sequences tries to provide more tumor information.</p><p><br />Objective:Correlateapparent diffusion coefficient (ADC) and cellularity of gliomas of patients between January 2015 to December 2017.<br />Methodology:Data of age, sex, type, histologic grade and anatomic site were retrospectively obtained from clinical archives.The preoperative magnetic resonance ADC was calculated in a 5 mm2 region of interest and the microscope slides were used for the cellularity digitally count in 5 mm2. Descriptive statistical analysis and correlation coefficient between ADC and cellularity were used. Values of p &lt;0.05 were used for statistical significance.</p><p><br />Results: 46 cases were included, 56.5% were men. The 41-64 years ranges were the most affected. Glioblastoma was the most frequent histological type (47.8%), as well as high grade gliomas (73.9%). 95.7% were supratentorial. The average cellularity was 3970 ± 2900 vs 2436 ± 948 nuclei/ 5mm2 (p = 0.13), with average minimum ADC values of 0.813 x 10-3 ± 0.229 mm2/s vs 1052 x 10-3 ± 0.196 mm2/s (p = 0.002), for high- and low-grade gliomas, respectively. The correlation between ADC and cellularity was weak (R = - 0.13, p = 0.37).</p><p><br />Conclusions:There is a weak inversely proportional correlation between ADC and cellularity. With distinction of low- and high-grade gliomas with minimum ADC values.<br /><br /></p>

The Role of Pre-operative MRI For Prediction of High-Grade Intracranial Meningioma: A Retrospective Study

2021 ◽  
Author(s):  
Vitit Lekhavat ◽  
Kan Radeesri
Keyword(s):  
Clinical Outcomes ◽  
Histological Grade ◽  
Intracranial Meningioma ◽  
Low Grade ◽  
High Grade ◽  
Who Grade ◽  
Intracranial Meningiomas ◽  
Mri Features ◽  
Peritumoral Brain Edema ◽  
Magnetic Resonance Imaging Mri

Abstract Introduction: High histological grade (WHO grade II and III) intracranial meningiomas have been linked to greater risk for tumor recurrence and worse clinical outcomes compared to low-grade (WHO grade I) tumors. Preoperative magnetic resonance imaging (MRI) plays a crucial role tumor evaluation prior to decisions regarding management and allows for a better understanding of the tumor grading, which could potentially alter clinical outcomes. The present study sought to determine whether preoperative MRI features of intracranial meningiomas can serve as predictors of high-grade tumors.Methods: This study retrospectively reviewed 327 confirmed cases of intracranial meningiomas, among whom 210 (64.2%) had available preoperative MRI studies. Thereafter, data were analyzed using univariate and multivariate analyses.Results: Accordingly, multivariate analysis found that peritumoral brain edema and the presence of necrosis or hemorrhage were predictors of high-grade tumors, whereas hyperostosis was a predictor of low-grade tumors.Conclusions: Our study suggested that preoperative MRI features could potentially assist in decision-making regarding the appropriate management and surgical approach in order to achieve the desired clinical outcomes.

scholarly journals Changes in the Proteome in the Development of Chronic Human Papillomavirus Infection—A Prospective Study in HIV Positive and HIV Negative Rwandan Women

Cancers ◽  
2021 ◽  
Vol 13 (23) ◽  
pp. 5983
Author(s):  
Emile Bienvenu ◽  
Marie Francoise Mukanyangezi ◽  
Stephen Rulisa ◽  
Anna Martner ◽  
Bengt Hasséus ◽  
...  
Keyword(s):  
Hpv Infection ◽  
Biological Pathways ◽  
Low Grade ◽  
High Grade ◽  
Protein Insertion ◽  
Biomarker Panel ◽  
Papillomavirus Infection ◽  
Neutrophil Degranulation ◽  
Hiv Women ◽  
A Prospective Study

Background: Effects on the proteome when a high risk (HR)-HPV infection occurs, when it is cleared and when it becomes chronic were investigated. Moreover, biomarker panels that could identify cervical risk lesions were assessed. Methods: Cytology, HPV screening and proteomics were performed on cervical samples from Rwandan HIV+ and HIV- women at baseline, at 9 months, at 18 months and at 24 months. Biological pathways were identified using the String database. Results: The most significantly affected pathway when an incident HR-HPV infection occurred was neutrophil degranulation, and vesicle-mediated transport was the most significantly affected pathway when an HR-HPV infection was cleared; protein insertion into membrane in chronic HR-HPV lesions and in lesions where HR-HPVs were cleared were compared; and cellular catabolic process in high-grade lesions was compared to that in negative lesions. A four-biomarker panel (EIF1; BLOC1S5; LIMCH1; SGTA) was identified, which was able to distinguish chronic HR-HPV lesions from cleared HR-HPV/negative lesions (sensitivity 100% and specificity 91%). Another four-biomarker panel (ERH; IGKV2-30; TMEM97; DNAJA4) was identified, which was able to distinguish high-grade lesions from low-grade/negative lesions (sensitivity 100% and specificity 81%). Conclusions: We have identified the biological pathways triggered in HR-HPV infection, when HR-HPV becomes chronic and when cervical risk lesions develop. Moreover, we have identified potential biomarkers that may help to identify women with cervical risk lesions.

Association of apparent diffusion coefficient with Ki-67 proliferation index, progesterone-receptor status and various histopathological parameters, and its utility in predicting the high grade in meningiomas

2020 ◽  
pp. 028418512092214
Author(s):  
Mustafa Bozdağ ◽  
Ali Er ◽  
Sümeyye Ekmekçi
Keyword(s):  
Diffusion Coefficient ◽  
Progesterone Receptor ◽  
Histological Grade ◽  
Proliferation Index ◽  
Proliferative Potential ◽  
Low Grade ◽  
High Grade ◽  
Ki 67 ◽  
Apparent Diffusion ◽  
Adc Values

Background Accurate preoperative determination of the histological grade and cellular proliferative potential of meningioma by non-invasive imaging is of paramount importance. Purpose To evaluate the utility of apparent diffusion coefficient (ADC) in determining the histological grade of meningioma, and to investigate the correlation of ADC with Ki-67 proliferation index (PI), progesterone receptor (PR) status, and a number of other histopathological parameters. Material and Methods Histopathologically confirmed 94 meningioma patients (72 low-grade, 22 high-grade) who had undergone preoperative diffusion-weighted imaging were retrospectively evaluated. ADC values were obtained by manually drawing the regions of interest (ROIs) within the solid components of the tumor. The relationship between ADC and Ki-67 values, PR status, and multiple histopathological parameters were investigated, and the ADC values of high-grade and low-grade meningiomas were compared. Independent sample t-test, Mann–Whitney U test, receiver operating characteristic, Pearson correlation, and multiple logistic regression analysis were used for statistical assessment. Results All ADC and rADC values were significantly lower in high-grade meningiomas than in low-grade meningiomas (all P < 0.05). ADC values showed significantly negative correlations with Ki-67 and mitotic index ( P < 0.001 for each). Numerous ADC parameters were significantly lower in meningiomas demonstrating hypercellularity and necrosis features ( P < 0.05). ADC values did not show a significant correlation with PR score (all P > 0.05). Conclusion ADC can be utilized as a reliable imaging biomarker for predicting the proliferative potential and histological grade in meningiomas.

Clinicopathological significance of Necl-4 expression in pancreatic ductal adenocarcinoma

2016 ◽  
Vol 70 (7) ◽  
pp. 619-624 ◽  
Author(s):  
Aya Kawanishi ◽  
Kenichi Hirabayashi ◽  
Misuzu Yamada ◽  
Yumi Takanashi ◽  
Atsuko Hadano ◽  
...  
Keyword(s):  
Pancreatic Ductal Adenocarcinoma ◽  
Tissue Microarray ◽  
Histological Grade ◽  
Tumour Size ◽  
Intraepithelial Neoplasia ◽  
Ductal Adenocarcinoma ◽  
Low Grade ◽  
High Grade ◽  
Clinicopathological Significance ◽  
E Cadherin

AimsThe loss, or decreased expression, of nectin-like molecule 4 (Necl-4; an immunoglobulin-like cell adhesion molecule) is reported to be associated with the development and progression of certain types of cancer. We investigated the clinicopathological significance of Necl-4 expression in patients with pancreatic ductal adenocarcinoma (PDAC).MethodsImmunohistochemical analyses of Necl-4 (n=258) and E-cadherin (n=256) expression were performed using tissue microarray blocks of PDAC samples. Necl-4 expression of 38 pancreatic intraepithelial neoplasia (PanIN) lesions included in tissue microarray cores was also evaluated. Necl-4 and E-cadherin expression was considered positive if >30% of cells were stained, and negative if ≤30% of cells were stained.ResultsNecl-4 expression was positive in 45.7% (n=118) and negative in 54.3% (n=140) of PDAC cases. Necl-4 staining was positive in 96.7% (n=29) and negative in 3.3% (n=1) of low-grade PanIN cases, and positive in 62.5% (n=5) and negative in 37.5% (n=3) of high-grade PanIN cases. The number of cases with positive Necl-4 expression decreased in the order low-grade PanIN>high-grade PanIN>PDAC (p<0.001). Negative Necl-4 expression was significantly associated with a larger tumour size of >30 mm, perineural invasion, lymphatic involvement, lymph node metastasis (pN1), an advanced TNM (tumour, node, metastases) stage (stage IIB–IV), an advanced histological grade (G2/3), and shorter overall survival. E-cadherin staining was positive in 46.1% (n=118) and negative in 53.9% (n=138) of PDAC cases. Necl-4 expression correlated positively with E-cadherin expression (r=0.405, p<0.001).ConclusionsThe results suggest that Necl-4 is associated with carcinogenesis and aggressiveness of PDAC.

scholarly journals Clinical value of baseline 18F-FDG PET/CT in soft tissue sarcomas

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Rafael Hernando Reyes Marlés ◽  
José Luis Navarro Fernández ◽  
José Pablo Puertas García-Sandoval ◽  
Fernando Santonja Medina ◽  
Laroussi Mohamed Salem ◽  
...  
Keyword(s):  
Soft Tissue ◽  
Significant Relationship ◽  
Fdg Pet ◽  
Histological Grade ◽  
Metabolic Parameters ◽  
Low Grade ◽  
High Grade ◽  
Pet Ct ◽  
Fdg Pet Ct ◽  
Metabolic Biomarkers

Abstract Background The use of 18F-FDG Positron emission tomography/Computed tomography (PET/CT) in the initial staging of many cancers is clearly established. Most soft tissue sarcoma (STS) has a high affinity for 18F-FDG, which is why 18F-FDG PET/CT has been proposed as a non-invasive method, useful in diagnosis and follow-up. The standardized uptake value values (SUV), the volume-based metabolic parameters MTV (metabolic tumor volume), and TLG (total lesion glycolysis) determine tumor viability and provide its total volume and the total activity of metabolically active tumor cells. The histological grade is the most important predictor of metastases and mortality associated with STS, and a significant relationship between the metabolic parameters of 18F-FDG PET/CT and the histological grade has been described. Methods A retrospective study was conducted on STS patients, who had histological grade according to the FNCLCC (Fédération Nationale des Centres de Lutte Contre Le Cancer) criteria, as well as a baseline PET/CT. SUV (SUVmax, SUVmean, and SUVpeak), MTV, and TLG were quantified. A T-student test was performed to establish the relationship between the metabolic biomarkers and the histological grade. Their usefulness as predictors of the histological grade was verified using receiver operator characteristic (ROC) curves. A survival function study was performed using the Kaplan–Meier method. To assess the prognostic utility of the metabolic biomarkers we use the Log-Rank method. Results The SUV values were useful to discriminate high-grade STS. We found a significant relationship between the histological grade and the SUV values. SUVmax, SUVpeak, MTV, and TLG were predictors of overall survival (OS). There were no significant differences in the OS for the SUVmean, or in the disease-free survival (DFS) for SUVmax, SUVmean, SUVpeak, MTV, and TLG. Conclusions The SUVmax, SUVmean, and SUVpeak values correlate with the HG and are useful to discriminate high-grade from low-grade STS. Patients with high SUVmax, SUVpeak, MTV, and TLG have a significantly lower OS.

scholarly journals Correlation of BRAF Variant V595E, Breed, Histological Grade and Cyclooxygenase-2 Expression in Canine Transitional Cell Carcinomas

2019 ◽  
Vol 6 (1) ◽  
pp. 31 ◽  
Author(s):  
Julia Grassinger ◽  
Sophie Merz ◽  
Heike Aupperle-Lellbach ◽  
Hanna Erhard ◽  
Robert Klopfleisch
Keyword(s):  
Braf Mutation ◽  
Screening Test ◽  
Diagnostic Method ◽  
Histological Grade ◽  
Transitional Cell ◽  
Cyclooxygenase 2 ◽  
Low Grade ◽  
High Grade ◽  
Chromosome 16 ◽  
Cox 2

The presence of BRAF variant V595E, as well as an increased cyclooxygenase-2 (COX-2) expression in canine transitional cell carcinoma (TCC) are well-described in the literature. The aim of the present study was to investigate the correlation between breed (terrier versus non-terrier dogs), histological grade, COX-2 expression, and BRAF mutation in canine TCC. Therefore, transmural TCC biopsies from 65 dogs (15 terriers, 50 non-terriers) were graded histologically into low- and high-grade. Immunohistochemical evaluation of the intensity of COX-2 expression was performed using an immunoreactive score (IRS). Exon 15 of chromosome 16 was examined for the BRAF variant c.1799T>A by TaqMan® SNP assay. TCC was low-grade in 20 cases (one terrier, 19 non-terriers) and high-grade in 45 cases (14 terriers, 31 non-terriers). Contrary to humans, histological grade was not significantly correlated to the intensity of COX-2 expression. BRAF mutation was detected in 11/15 (73%) TCC of terriers and in 18/50 (36%) TCC of non-terriers. Histological grade and BRAF mutation were not correlated significantly (p = 0.2912). Terriers had a considerably higher prevalence of high-grade tumors (p < 0.0001), as well as of BRAF mutation (p ≤ 0.05) compared to non-terriers. In non-terriers, neoplasms with BRAF mutation showed a significantly higher intensity of COX-2 expression than those without BRAF mutation (p ≤ 0.05). In conclusion, in contrast to humans, testing for BRAF mutation in canine TCC is a sensitive diagnostic method especially in terriers (73%) and may be recommended as a screening test. However, evidence of BRAF mutation in canine TCC is not a predictor for the histological grade. Moreover, a positive correlation between histological grade and the intensity of COX-2 expression was not found. Further studies are necessary to clarify the clinical and prognostic relevance of the elevated intensity of COX-2 expression of TCC with BRAF mutation detected in non-terriers.

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