Normal RBC :

1. Biconcave disc flexible thicker at the edges than in the middle.

   1. Diameter (7-8 um)

Macrocyte :

1. RBC shape larges than normal

2. Seen in megaloblastic anaemia

3. Vit B12, folic acid deficiency

4. Chemotherapy

Microcyte

1. RBC smaller than normal

2. Thalassemia

3. Iron deficiency anaemia

4. Sideroblastic anaemia

Spurr -cell

1. Irregular "cell with spikes"

2. Liver disease

3. Post splenectomy

Burs cell (Echinocyte)

1. Seen in artifact

2. Liver disease

Schistocyte

1. Microangiopathic haemolytic anaemia

2. Mechanical valve induced

Spherocytes

1. Hereditary Spherocytosis

2. Auto immune haemolytic anaemia

Target cell RBC

1. Thalassemia

2. Liver Disease

3. Artifact

4. Post splenectomies

Teardrop

1. Myelofibrosis

Sickle cell RBC

1. S B Thalassemia

2. Haemoglobin SS Disease

3. Haemoglobin SC Disease