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(Created page with " ---- '''Appearance:''' Neutrophils forming aggregates on a blood smear (most frequently seen on the edges) and monocytes may be seen within these aggregates. Less commonly aggregates may be comprised of lymphocytes.. ---- '''Images of agglutination:''' <gallery mode="nolines" widths="300px" heights="300px" > File:Agg.jpg|leftt|link= File:Agg2.jpg|leftt|link= File:Agg3.jpg|leftt|link= </gallery> ''An EDTA-dependent phenomenon seen in neutrophils (image 1) and oc...")
 
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'''Appearance:'''
Neutrophils forming aggregates on a blood smear (most frequently seen on the edges) and monocytes may be seen within these aggregates. Less commonly aggregates may be comprised of lymphocytes..




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'''Images of agglutination:'''
A
 
:[[Agglutination]]
<gallery mode="nolines" widths="300px" heights="300px" >
:[[Anisochromia]]
File:Agg.jpg|leftt|link=
:[[Anisocytosis]]
File:Agg2.jpg|leftt|link=
:[[Acanthocytes]]
File:Agg3.jpg|leftt|link=
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</gallery>
B
 
:[[Basophilic stippling]]
''An EDTA-dependent phenomenon seen in neutrophils (image 1) and occasionally in lymphocytes (image 2); aggregation most frequently affects platelets (image 3).''
:[[Keratocytes|Bite cells (keratocytes)]]
 
:[[Hemighost cells|Blister cells (hemighosts)]]
 
:[[Boat-shaped cells]]
:[[Echinocytes|Burr cells (echinocytes}]]
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C
:[[Target cells|Codocytes (target cells)]]
:[[Cabot rings]]
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D
:[[Tear drop cells|Dacrocytes (teardrop cells}]]
:[[Dimorphic]]
:[[Sickle cells|Drepanocytes (sickle cells)]]
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E
:[[Echinocytes]]
:[[Elliptocytes]]
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F
:[[Fragmented cells]]
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H
:[[Haemoglobin crystals]]
:[[Keratocytes|Helmet cells (keratocytes)]]
:[[Keratocytes|Horned cells (keratocytes)]]
:[[Hemighost cells]]
:[[Howell Jolly bodies]]
:[[Microcytic and Hypochromic Red Cells|Hypochromic cells]]
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I
:[[Irregularly contracted cells]]
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K
:[[Keratocytes]]
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M
:[[Macrocytic Red Cells]]
:[[Microcytic and Hypochromic Red Cells|Microcytes]]
:[[Microspherocytes]]
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N
:[[Nucleated Red Cells (nRBC)]]
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O
:[[Ovalocytes]]
:[[Ovalocytes|Oval macrocytes (ovalocytes)]]
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P
:[[Pappenheimer Bodies]]
:[[Pencil cells]]
:[[Polychromatic Red Cells]]
:[[Basophilic stippling|Punctate basophilia (basophilic stippling)]]
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R
:[[Rouleaux]]
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S
:[[SC poikilocytes]]
:[[Fragmented cells|Schistocytes (fragmented cells)]]
:[[Sickle cells]]
:[[Spherocytes]]
:[[Stomatocytes]]
:[[Acanthocytes|Spur cells (acanthocytes)]]
:[[Acanthocytes|Sputnik cells (acanthocytes)]]
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----
 
T
'''Cause:'''
:[[Target cells]]
 
:[[Teardrop cells]]
This occurs mainly in EDTA samples, if in doubt a smear can be made using a finger-prick sample or other anticoagulant.
 
 
'''Consider:'''
 
A rare phenomenon that occurs i''n vitro'' and has little clinical significance, although may cause falsely low counts on automated counters
 
 
 
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Revision as of 14:20, 16 February 2023