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11 years agoWhite blood cells: Description, Classification and Formation
11 years agoBlood Cells and Platelets
11 years agoGram stain of wound specimen
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Sahli Pipettes
Sahli pippetes usually used as Haemoglobin pipettes for dosing the blood with capacity of 20 μl
Can you identify these three leukocytes?
From top to the bottom:
Basophil
Blast (you don’t specify it’s type)
Monocyte
It is morphologically impossible to say what kind of blast it is.
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Bee pollen artifact similar to Trichuris ova
Stool Analysis shows this shape that looks like Trichuris Trichura ova but infact it’s Artifact (Bee pollen)
Rouleaux Formation blood smear
The RBC’s here have stacked together in long chains. This is known as “rouleaux formation” and it happens with increased serum proteins, particularly fibrinogen and ...
Blood smear for Chédiak-Higashi syndrome
Chédiak-Higashi syndrome: The granulocytes contain large abnormal cytoplasmic granules.
Pseudo-Thrombocytopenia caused by platelet clumps
Platelet clumps are often discovered when a low automated platelet count is investigated.
The pseudo-thrombocytopenia is commonly the result of the presence of :
cold agglutinins
EDTA ...
calcium oxalate crystals and squamous epithelial cells
The elements present in the low power field include: calcium oxalate crystals and squamous epithelial cells.
calcium oxalate crystals in the high power field x40, note the letter ...
Pelger- Huët anomaly
Pelger- Huët anomaly is a benign hereditary condition recognized by the bilobed nucleus of most neutrophils. The cells appear to function normally.
Pseudo– Pelger-Huët is the ...
Clinical Case – Leukocyte Vacoulation Bacterial Infection
37 years old woman, high fewer, shore throat and abdominal pain.
High WBC count, left shift in the differential count (metamyelocytes and bands) and low thrombocytes.
D-dimer was also ...
Clinical Case – Trichuris trichiura ova
A 4 year old female was rushed to the emergency room who was suffering from malaise, bloody diarrhea and abdominal pain. Examination revealed rectal prolapse. Stool was submitted for ...
Red Blood Cells Maturation
the process of red blood cell maturation, a cell undergoes a series of differentiations. The following stages of development all occur within the bone marrow.
Macroscopic appearance of blood films
The color of blood smears can reflect severe underlying abnormalities in hematocrit and the presence of abnormal circulating immunoglobins.
The smear on the left, from a patient with ...
