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Computational pathology applies image-analysis methods to digitized tissue slides.
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Whole-slide images are large, so models often process patches and combine patch-level evidence for slide-level tasks.
The FDA De Novo review for Paige Prostate describes a computer-assisted pathology device that identifies suspicious areas on digitized prostate biopsy slides for pathologist review. CLAM is a research approach using attention-based multiple-instance learning for whole-slide classification with slide-level labels. Ki-67 is a cell-proliferation marker discussed in oncology. These tools and markers address specific tasks; their research or regulatory status does not generalize to every tissue, cancer or clinical decision.
A whole-slide image can be divided into tiles for model processing.
Multiple-instance learning can learn from slide-level labels when every patch is not individually annotated.
The FDA-reviewed Paige Prostate device assists pathologists with a specific prostate-biopsy review task.
Ki-67 is a protein marker used in assessing cell proliferation; an AI count is a measurement aid, not a standalone cancer diagnosis.
Report the tissue type, scanner, population, reference standard and intended use when evaluating pathology AI. Keep pathologist oversight and assess performance across sites and specimen types. A clearance or benchmark for one device does not establish general clinical utility across pathology.
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Computational pathology applies image-analysis methods to digitized tissue slides. Whole-slide images are large, so models often process patches and combine patch-level evidence for slide-level tasks.
Slaid diimbas ke dalam imej gigapiksel yang sangat besar, selalunya berbilion-bilion piksel, yang kemudian dianalisis oleh AI.
Imej slaid keseluruhan adalah terlalu besar untuk input model, jadi ia dibahagikan kepada beribu-ribu jubin dan hasil digabungkan semula.
FDA’s DEN200080 record is a De Novo classification for a specific software device and intended use; the decision does not generalize to all pathology AI.
Ki-67 ialah penanda percambahan sel, dan mengira sel positif menunjukkan betapa agresifnya tumor berkembang.
The cited FDA review describes a device intended to assist pathologists; its output is not a standalone diagnosis or treatment decision.
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