Diagnostics & Necropsy Nov 7 2011 compressed

Diagnostics - 1 Diagnostic and Necropsy Methods for Wildlife Investigations Virginia Pierce VMD Ph.D MD Department of Agriculture Presentation

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Unformatted text preview: 11/6/2011 1 Diagnostic and Necropsy Methods for Wildlife Investigations Virginia Pierce VMD, Ph.D. MD Department of Agriculture Presentation Outline _________________________________ Pathologic Descriptions for Non- Pathologists Causes of Morbidity and Mortality First Steps for Wildlife Investigations Specimen Collection and Preservation Necropsy Equipment and Procedures Pathologic Descriptions for Non-Pathologists Pathologic Descriptions (for Non-Pathologists) _________________________________ Useful Hints Simply describe lesions; if no significant lesions - state “NSL” to indicate that you have examined the tissue Summarize / list major gross findings by organ / system Indicate best estimate or preliminary cause of death (pending further diagnostics such as microbiology, etc.) List samples collected Pathologic Descriptions (for Non-Pathologists) _________________________________ Useful Questions to Ask Yourself Is it normal? Is it artifact ? Is it post-mortem autolysis? Is it post-mortem mutilation? Is it natural predation ? Is it a lesion of significance? Is it a lesion caused by human interaction (i.e. legal / forensic implications)? 11/6/2011 2 Pathologic Descriptions (for Non-Pathologists) _________________________________ Description of Lesions Location Color Size Shape Consistency Number of lesions or percent involvement of the organ Pathologic Descriptions (for Non-Pathologists) _________________________________ Location of Lesion(s) Where on the body part or organ? Which lobe or part of the organ? Useful terms in describing location: cranial, caudal,dorsal, ventral, right, left Pathologic Descriptions (for Non-Pathologists) _________________________________ Useful Anatomical Terms – for location Dorsal: directed toward the back surface Ventral: directed toward the ventral surface Cranial: situated more toward the head Caudal: situated more toward the hind end Rostral: situated more toward the front of the head dorsal ventral caudal cranial rostral Pathologic Descriptions (for Non-Pathologists) _________________________________ Useful Anatomical Terms – for location Proximal: nearer to the point of reference, attachment Distal: farther from the point of reference Medial: situated toward the median plane Lateral: situated away from the median plane Pathologic Descriptions (for Non-Pathologists) Tell me where to find lateral, medial, proximal distal _________________________________ Useful Anatomical Terms – for location Proximal: nearer to the point of reference, attachment Distal: farther from the point of reference Medial: situated toward the median plane Lateral: situated away from the median plane Distal Proximal Medial Lateral Pathologic Descriptions for Non-Pathologists _________________________________ Color of Lesion Use primary colors where possible Use descriptors: dark, bright, light, pale, mottled...
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This note was uploaded on 01/09/2012 for the course ANSC 252 taught by Professor Cindydriscoll during the Spring '11 term at Maryland.

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Diagnostics - 1 Diagnostic and Necropsy Methods for Wildlife Investigations Virginia Pierce VMD Ph.D MD Department of Agriculture Presentation

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