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Journal of Pathology Informatics

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[This corrects the article on p. 38 in vol. 7, PMID: 27688929.].
2016: Journal of Pathology Informatics
Meredith A Olson, Christine M Lohse, Nneka I Comfere
BACKGROUND: The skin biopsy requisition form (RF) serves as a key communication tool for transfer of relevant information related to skin biopsy between clinicians and pathologists. Clinical information in the skin biopsy RF is frequently missing or incomplete. OBJECTIVE: To determine the rates of provision of critical clinical information necessary for histopathologic interpretation in the skin biopsy RF and encounter visit note (EVN). METHODS: A retrospective review of 300 RFs and corresponding EVNs from May 1 to 7, 2012, in a tertiary care dermatology practice...
2016: Journal of Pathology Informatics
Bethany Jill Williams, Darren Treanor
No abstract text is available yet for this article.
2016: Journal of Pathology Informatics
Riku Turkki, Nina Linder, Panu E Kovanen, Teijo Pellinen, Johan Lundin
BACKGROUND: Immune cell infiltration in tumor is an emerging prognostic biomarker in breast cancer. The gold standard for quantification of immune cells in tissue sections is visual assessment through a microscope, which is subjective and semi-quantitative. In this study, we propose and evaluate an approach based on antibody-guided annotation and deep learning to quantify immune cell-rich areas in hematoxylin and eosin (H&E) stained samples. METHODS: Consecutive sections of formalin-fixed parafin-embedded samples obtained from the primary tumor of twenty breast cancer patients were cut and stained with H&E and the pan-leukocyte CD45 antibody...
2016: Journal of Pathology Informatics
Izak B Dimenstein
Laboratory methodology websites are specialized niche websites. The visibility of a niche website transforms it into an authority site on a particular "niche of knowledge." This article presents some ways in which a laboratory methodology website can maintain its sustainability. The optimal composition of the website includes a basic content, a blog, and an ancillary part. This article discusses experimenting with the search engine optimization query results page. Strategic placement of keywords and even phrases, as well as fragmentation of the post's material, can improve the website's visibility to search engines...
2016: Journal of Pathology Informatics
Akira Saito, Yasushi Numata, Takuya Hamada, Tomoyoshi Horisawa, Eric Cosatto, Hans-Peter Graf, Masahiko Kuroda, Yoichiro Yamamoto
BACKGROUND: Recent developments in molecular pathology and genetic/epigenetic analysis of cancer tissue have resulted in a marked increase in objective and measurable data. In comparison, the traditional morphological analysis approach to pathology diagnosis, which can connect these molecular data and clinical diagnosis, is still mostly subjective. Even though the advent and popularization of digital pathology has provided a boost to computer-aided diagnosis, some important pathological concepts still remain largely non-quantitative and their associated data measurements depend on the pathologist's sense and experience...
2016: Journal of Pathology Informatics
Navid Farahani, Corey E Monteith
The field of pathology has used light microscopy (LM) extensively since the mid-19(th) century for examination of histological tissue preparations. This technology has remained the foremost tool in use by pathologists even as other fields have undergone a great change in recent years through new technologies. However, as new microscopy techniques are perfected and made available, this reliance on the standard LM will likely begin to change. Advanced imaging involving both diffraction-limited and subdiffraction techniques are bringing nondestructive, high-resolution, molecular-level imaging to pathology...
2016: Journal of Pathology Informatics
Ida Cervin, Jesper Molin, Claes Lundström
BACKGROUND: Today, pathology reporting consists of many separate tasks, carried out by multiple people. Common tasks include dictation during case review, transcription, verification of the transcription, report distribution, and report the key findings to follow-up registries. Introduction of digital workstations makes it possible to remove some of these tasks and simplify others. This study describes the work presented at the Nordic Symposium on Digital Pathology 2015, in Linköping, Sweden...
2016: Journal of Pathology Informatics
Nicholas P Reder, Daniel Glasser, Suzanne M Dintzis, Mara H Rendi, Rochelle L Garcia, Jonathan C Henriksen, Mark R Kilgore
CONTEXT: Whole-slide images (WSIs) present a rich source of information for education, training, and quality assurance. However, they are often used in a fashion similar to glass slides rather than in novel ways that leverage the advantages of WSI. We have created a pipeline to transform annotated WSI into pattern recognition training, and quality assurance web application called novel diagnostic electronic resource (NDER). AIMS: Create an efficient workflow for extracting annotated WSI for use by NDER, an attractive web application that provides high-throughput training...
2016: Journal of Pathology Informatics
Nikki S Vyas, Michael Markow, Carlos Prieto-Granada, Sudeep Gaudi, Leslie Turner, Paul Rodriguez-Waitkus, Jane L Messina, Drazen M Jukic
BACKGROUND: The quality and limitations of digital slides are not fully known. We aimed to estimate intrapathologist discrepancy in detecting specific microscopic features on glass slides and digital slides created by scanning at ×20. METHODS: Hematoxylin and eosin and periodic acid-Schiff glass slides were digitized using the Mirax Scan (Carl Zeiss Inc., Germany). Six pathologists assessed 50-71 digital slides. We recorded objective magnification, total time, and detection of the following: Mast cells; eosinophils; plasma cells; pigmented macrophages; melanin in the epidermis; fungal bodies; neutrophils; civatte bodies; parakeratosis; and sebocytes...
2016: Journal of Pathology Informatics
Andrew Janowczyk, Anant Madabhushi
BACKGROUND: Deep learning (DL) is a representation learning approach ideally suited for image analysis challenges in digital pathology (DP). The variety of image analysis tasks in the context of DP includes detection and counting (e.g., mitotic events), segmentation (e.g., nuclei), and tissue classification (e.g., cancerous vs. non-cancerous). Unfortunately, issues with slide preparation, variations in staining and scanning across sites, and vendor platforms, as well as biological variance, such as the presentation of different grades of disease, make these image analysis tasks particularly challenging...
2016: Journal of Pathology Informatics
Aïcha BenTaieb, Masoud S Nosrati, Hector Li-Chang, David Huntsman, Ghassan Hamarneh
CONTEXT: It has been shown that ovarian carcinoma subtypes are distinct pathologic entities with differing prognostic and therapeutic implications. Histotyping by pathologists has good reproducibility, but occasional cases are challenging and require immunohistochemistry and subspecialty consultation. Motivated by the need for more accurate and reproducible diagnoses and to facilitate pathologists' workflow, we propose an automatic framework for ovarian carcinoma classification. MATERIALS AND METHODS: Our method is inspired by pathologists' workflow...
2016: Journal of Pathology Informatics
Walter H Henricks, Donald S Karcher, James H Harrison, John H Sinard, Michael W Riben, Philip J Boyer, Sue Plath, Arlene Thompson, Liron Pantanowitz
CONTEXT: Recognition of the importance of informatics to the practice of pathology has surged. Training residents in pathology informatics have been a daunting task for most residency programs in the United States because faculty often lacks experience and training resources. Nevertheless, developing resident competence in informatics is essential for the future of pathology as a specialty. OBJECTIVE: The objective of the study is to develop and deliver a pathology informatics curriculum and instructional framework that guides pathology residency programs in training residents in critical pathology informatics knowledge and skills and meets Accreditation Council for Graduate Medical Education Informatics Milestones...
2016: Journal of Pathology Informatics
Dinesh Pradhan, Sara E Monaco, Anil V Parwani, Ishtiaque Ahmed, Jon Duboy, Liron Pantanowitz
INTRODUCTION: Whole slide imaging (WSI) permits intraoperative consultations (frozen sections) to be performed remotely. However, WSI files are large and can be problematic if there are tissue artifacts (e.g., tissue folds) or when slides are scanned without multiplanes (Z-stacks) to permit focusing. The Panoptiq dynamic imaging system allows users to create their own digital files that combine low power panoramic digital images with regions of interest that can be imaged using high power Z-stacks...
2016: Journal of Pathology Informatics
Melike Pekmezci, Sanem Pinar Uysal, Yelda Orhan, Tarik Tihan, Han Sung Lee
BACKGROUND: Whole slide imaging (WSI) finds increasingly higher value in everyday surgical pathology in addition to its well-established use for educational and research purposes. However, its diagnostic utility, especially in subspecialty settings such as neuropathology, is not fully validated. Neuropathology practice is unique with smaller overall tissue size and frequent need for high-power evaluation. In addition, tumor grade is an integral part of the initial diagnosis. The purpose of this study is to assess the feasibility of primary pathology diagnosis of surgical neuropathology specimens using WSI...
2016: Journal of Pathology Informatics
Fawaz Halwani, Wei Chen Li, Diponkar Banerjee, Lysanne Lessard, Daniel Amyot, Wojtek Michalowski, Randy Giffen
CONTEXT: The Eastern Ontario Regional Laboratory Association (EORLA) is a newly established association of all the laboratory and pathology departments of Eastern Ontario that currently includes facilities from eight hospitals. All surgical specimens for EORLA are processed in one central location, the Department of Pathology and Laboratory Medicine (DPLM) at The Ottawa Hospital (TOH), where the rapid growth and influx of surgical and cytology specimens has created many challenges in ensuring the timely processing of cases and reports...
2016: Journal of Pathology Informatics
Huazhang Guo, Joe Birsa, Navid Farahani, Douglas J Hartman, Anthony Piccoli, Matthew O'Leary, Jeffrey McHugh, Mark Nyman, Curtis Stratman, Vanja Kvarnstrom, Samuel Yousem, Liron Pantanowitz
BACKGROUND: The adoption of digital pathology offers benefits over labor-intensive, time-consuming, and error-prone manual processes. However, because most workflow and laboratory transactions are centered around the anatomical pathology laboratory information system (APLIS), adoption of digital pathology ideally requires integration with the APLIS. A digital pathology system (DPS) integrated with the APLIS was recently implemented at our institution for diagnostic use. We demonstrate how such integration supports digital workflow to sign-out anatomical pathology cases...
2016: Journal of Pathology Informatics
Navid Farahani, Robert Post, Jon Duboy, Ishtiaque Ahmed, Brian J Kolowitz, Teppituk Krinchai, Sara E Monaco, Jeffrey L Fine, Douglas J Hartman, Liron Pantanowitz
BACKGROUND: Digital slides obtained from whole slide imaging (WSI) platforms are typically viewed in two dimensions using desktop personal computer monitors or more recently on mobile devices. To the best of our knowledge, we are not aware of any studies viewing digital pathology slides in a virtual reality (VR) environment. VR technology enables users to be artificially immersed in and interact with a computer-simulated world. Oculus Rift is among the world's first consumer-targeted VR headsets, intended primarily for enhanced gaming...
2016: Journal of Pathology Informatics
David Friedrich, Alfred Böcking, Dietrich Meyer-Ebrecht, Dorit Merhof
BACKGROUND: Virtual microscopy and automated processing of cytological slides are more challenging compared to histological slides. Since cytological slides exhibit a three-dimensional surface and the required microscope objectives with high resolution have a low depth of field, these cannot capture all objects of a single field of view in focus. One solution would be to scan multiple focal planes; however, the increase in processing time and storage requirements are often prohibitive for clinical routine...
2016: Journal of Pathology Informatics
Michael Liew, Leslie Rowe, Parker W Clement, Rodney R Miles, Mohamed E Salama
INTRODUCTION: Detection of MYC translocations using fluorescence in situ hybridization (FISH) is important in the evaluation of lymphomas, in particular, Burkitt lymphoma and diffuse large B-cell lymphoma. Our aim was to validate a digital FISH capture and imaging system for the detection of MYC 8q24 translocations using LSI-MYC (a break-apart probe) and MYC 8;14 translocation using IGH-MYC (a fusion probe). MATERIALS AND METHODS: LSI-MYC probe was evaluated using tissue sections from 35 patients...
2016: Journal of Pathology Informatics
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