Gross Descriptions for Necropsy

Marjorie P
Mind Map by Marjorie P, updated more than 1 year ago
Marjorie P
Created by Marjorie P over 5 years ago
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Description

taken from Gross Descriptions under the laboratory tab on ecollege
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Resource summary

Gross Descriptions for Necropsy
1 Location

Annotations:

  • start with organ then anatomical location (lobes, surfaces, cortex vs medulla, bilateral-symmectrical, bilateral-asymmetrical) 
2 Quantification

Annotations:

  • number effected don't use a number that is too high to count
3 Distribution
3.1 Focal

Annotations:

  • single lesion
3.2 Multifocal

Annotations:

  • multiple, discrete lesions separated by unaffected parenchyma
3.3 Multifocal to coalescing

Annotations:

  • the multifocal lesions occasionally merge
3.4 Generalized

Annotations:

  • numerous foci scattered relatively evenly throughout the entire organ
3.5 Milliary

Annotations:

  • very numerous, small multiple foci
3.6 Locally extensive

Annotations:

  • lesion is convergent and involves large percentage of the tissue
3.7 Diffuse

Annotations:

  • the entire organ is involved
4 Size

Annotations:

  • for all lesions either inflammatory or neoplastic
4.1 Measurements

Annotations:

  • in metric in 3D
4.2 Weight

Annotations:

  • compare to normal or to the unaffected paired organ
4.3 Relative size
5 Shape
5.1 Botryoid

Annotations:

  • multiple grape-like clusters
5.2 Level/flat

Annotations:

  • neither raised nor depressed
5.3 Depressed

Annotations:

  • below adjacent surfaces
5.4 Raised

Annotations:

  • elevated
5.5 Linear

Annotations:

  • strips running lengthwise
5.6 Clearly demarcated

Annotations:

  • defined borders
5.7 Poorly demarcated

Annotations:

  • no defined borders
5.8 Pedunculated

Annotations:

  • narrow stalk-like base
5.9 Sessile

Annotations:

  • broad base of attachment
6 Color

Annotations:

  • only described in abnormal tissue/organ primary colors only and combine colors as necessary can use modifiers like dull, shiny, opaque
6.1 white

Annotations:

  • lack of blood, leukocytic infiltrate, connective tissue deposition (collagen), fibrosis (scars), necrosis (in some cases), presence of fat infliltrate
6.2 translucent

Annotations:

  • air in tissue (emphysema) fluid in tissue (edema)
6.3 yellow

Annotations:

  • jaundice due to hemolysis, liver disease, bile duct obstruction pseudoicterus due to high ingestion of beta carotene and in horses due to anorexia, dehydration, young animal
6.4 black

Annotations:

  • melanin, old hemorrhage (melena), pseudomelanosis (this is a post mortem production of hydrogen sulfide)
6.5 red

Annotations:

  • due to congestion, hemorrhage, bruising
7 Consistency

Annotations:

  • soft, firm, hard spongy, resilient, tense, turgic, porous, fluctuant
8 Texture

Annotations:

  • smooth, gritty, mucoid, granular, sandy, sticky, slippery, wet
9 Odor

Annotations:

  • some diseases have specific odor characteristics
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