Expression of metallothionein protein relating to proliferative cell index in malignant feline mammary tumors using high throughput tissue microarray technique

Abstract The present study aimed to examine the relationship between proliferation markers by detecting Ki-67 and proliferative cell nuclear antigen (PCNA) indices, and metallothionein expression, in different histological groups and nuclear grades of malignant feline mammary tumors by using immunohistochemistry and tissue microarray technique. Seventy feline mammary carcinoma (FMC) biopsy specimens were collected to perform tissue microarray (TMA) slide. The immunohistochemical staining was performed on the TMA slides against pancytokeratin (CK19), PCNA, Ki-67 clone MIB, and metallothionein 1 (MT-1) antibodies. The PCNA index showed no significant differences among histological types and nuclear grades, whereas the Ki-67 index showed statistical difference among histological types and malignancy grades (p 
Source: Comparative Clinical Pathology - Category: Pathology Source Type: research

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Conditions:   Bladder Mixed Adenocarcinoma;   Bladder Urothelial Carcinoma In Situ;   High-Risk, Non-Muscle Invasive Bladder Urothelial Carcinoma;   Stage 0a Bladder Cancer AJCC v8;   Stage 0is Bladder Cancer AJCC v8;   Stage I Bladder Cancer AJCC v8 Interventions:   Drug: Gemcitabine;   Drug: Gemcitabine Hydrochloride;   Biological: Pembrolizumab Sponsor:   National Cancer Institute (NCI) Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
This study aimed to compare and analyze the patterns of care and survival outcomes of patients with anal squamous cell carcinoma and anal adenocarcinoma. DESIGN: This was a retrospective study. SETTING: This study was performed by utilizing the National Cancer Database. PATIENTS: We selected a total of 19,539 patients between 2004 and 2014 with stage II to III squamous cell carcinoma or adenocarcinoma of the anus. INTERVENTION: The treatment groups analyzed were surgery alone, neoadjuvant chemoradiation followed by surgery, surgery followed by adjuvant chemoradiation, or definitive chemoradiation. MAIN OUTCOME...
Source: Diseases of the Colon and Rectum - Category: Gastroenterology Tags: Original Contributions: Colorectal Cancer Source Type: research
CONCLUSIONS.—: Knowledge of the reasons for histopathologic false-negative diagnosis of adenocarcinoma of the prostate is an important component in the diagnostic assessment of prostate tissue sections. Diagnostic awareness of the histomorphologic presentations of small (minimal) adenocarcinoma; deceptively benign appearing variants including atrophic, foamy gland, microcystic, and pseudohyperplastic variants; single cell carcinoma; and treatment effects is critical for establishment of a definitive diagnosis of adenocarcinoma and the prevention of false-negative diagnoses of prostate cancer. PMID: 31729886 [Pub...
Source: Archives of Pathology and Laboratory Medicine - Category: Laboratory Medicine Authors: Tags: Arch Pathol Lab Med Source Type: research
ConclusionsPositive findings in abdominopelvic washing cytology is rare. The majority of the positive cases were from müllerian origins, with ovary and uterus as the most common sites. Endometrial adenocarcinoma, endometrioid type and ovarian high-grade serous carcinoma were the most common tumor types. Knowing prior history of malignancy, morphologic comparison with concurrent surgical cases, and performing ancillary studies are keys to improve diagnostic accuracy of abdominopelvic washings.
Source: Journal of the American Society of Cytopathology - Category: Cytology Source Type: research
Authors: Hyde AJ, Nassabein R, AlShareef A, Armstrong D, Babak S, Berry S, Bossé D, Chen E, Colwell B, Essery C, Goel R, Goodwin R, Gray S, Hammad N, Jeyakuymar A, Jonker D, Karanicolas P, Lamond N, Letourneau R, Michael J, Patil N, Powell E, Ramjeesingh R, Saliba W, Singh R, Snow S, Stuckless T, Tadros S, Tehfé M, Thana M, Thirlwell M, Vickers M, Virik K, Welch S, Asmis T Abstract The annual Eastern Canadian Gastrointestinal Cancer Consensus Conference was held in Halifax, Nova Scotia, 20-22 September 2018. Experts in radiation oncology, medical oncology, surgical oncology, and pathology who are invo...
Source: Current Oncology - Category: Cancer & Oncology Tags: Curr Oncol Source Type: research
Conditions:   Esophagogastric Cancer;   Esophagus Cancer;   Esophageal Cancer;   Gastric Cancer;   Gastric Adenocarcinoma;   Gastroesophageal Junction Adenocarcinoma;   Gastroesophageal Junction Squamous Cell Carcinoma Interventions:   Drug: 18F-BMS-986229 Injection;   Drug: IV 18F-BMS-986229;   Diagnostic Test: PET/CT Scan Sponsors:   Memorial Sloan Kettering Cancer Center;   Bristol-Myers Squibb Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
Many gallbladder adenocarcinomas (ACs) are detected incidentally in routine cholecystectomy specimens, yet sampling practices vary when intestinal metaplasia (IM) or dysplasia are found via routine sampling. Our practice has been to submit 5 additional sections when IM is found, but cases with dysplasia are entirely submitted. We sought to determine an appropriate sampling protocol when encountering these findings. We retrospectively identified cholecystectomy specimens with these features over a 26-month period, yielding 48 of 4059 (1%) cases. Four pathologists independently classified the (2 longitudinal and 1 cystic duc...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
ConclusionSeveral radiomic features (including wavelet energies, information measures of correlation and maximum probability from co-occurrence matrix, busyness from neighborhood intensity-difference matrix, directionalities from Tamura ’s texture, and fractal dimension estimation) significantly associated with distant metastasis, nodal metastasis, and histology were discovered in this work, presenting great potential as imaging biomarkers for pathological diagnosis and target therapy decision.
Source: International Journal of Computer Assisted Radiology and Surgery - Category: Intensive Care Source Type: research
RAS protein activator like 2 (RASAL2) belongs to the RAS GTPase-activating protein family and plays an important role in several cancers, including ovarian cancer, nasopharyngeal carcinoma, malignant astrocytoma, renal cell carcinoma, bladder cancer, colorectal cancer, liver cancer, triple-negative breast cancer, lung adenocarcinoma, and pancreatic ductal adenocarcinoma. Traditionally, RASAL2 has been regarded as a tumor suppressor but recent studies have found that it is an oncogene in specific types of cancer, such as colorectal cancer, liver cancer, triple-negative breast cancer, triple-negative/estrogen receptor-negati...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
Endometrial endometrioid adenocarcinoma (EEA) is conventionally considered to be a single pathological entity that develops through a hyperplasia –carcinoma sequence under the influence of estrogen. Previously, another EEA subtype was described and proposed to arise directly from normal endometrium. These conventional and de novo subtypes are designated groups 1 and 2, respectively. To identify the molecular mechanisms of these distinct tum origenic processes, we conducted comprehensive integrated analyses of genomic data with hormonal status for group-1 paired carcinoma and hyperplasia and group-2 carcinoma samples.
Source: American Journal of Pathology - Category: Pathology Authors: Source Type: research
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