The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Unit-IV; Professional Sales Representative (PSR).pptx
Romanowsky Stain /certified fixed orthodontic courses by Indian dental academy
1. RomanowskyRomanowsky
StainStain
Colour responses of blood
cells to
Romanowsky staining
INDIAN DENTAL ACADEMYINDIAN DENTAL ACADEMY
Leader in continuing Dental EducationLeader in continuing Dental Education
www.indiandentalacademy.comwww.indiandentalacademy.com
2. REFERENCESREFERENCES
Shrish M. Kawathalkar; Essentials of haematology - 1Shrish M. Kawathalkar; Essentials of haematology - 1stst
editionedition
Jaypee brother medical publishers.Jaypee brother medical publishers.
de Gruchi’s Clinical Haematology in Medical Practice- 5de Gruchi’s Clinical Haematology in Medical Practice- 5thth
editionedition
Blackwell Science Ltd.Blackwell Science Ltd.
P. N. Marshall, S. A. Bentley, and S. M. Lewis ; StainingP. N. Marshall, S. A. Bentley, and S. M. Lewis ; Staining
properties and stability of a standardised Romanowsky stainproperties and stability of a standardised Romanowsky stain
Journal of Clinical Pathology, 1978, 31, 280-282Journal of Clinical Pathology, 1978, 31, 280-282
www.indiandentalacademy.comwww.indiandentalacademy.com
3. P. N. Marshall, S. A. Bentley, and S. M. Lewis ; An evaluation ofP. N. Marshall, S. A. Bentley, and S. M. Lewis ; An evaluation of
some commercial Romanowsky Stains J. clin. Path., 1975, 28,some commercial Romanowsky Stains J. clin. Path., 1975, 28,
680-685.680-685.
Text book Of Practical Haematology ; ninth edition, Dacie &Text book Of Practical Haematology ; ninth edition, Dacie &
Lewis.Lewis.
www.indiandentalacademy.comwww.indiandentalacademy.com
4. Colour responses of blood cells toColour responses of blood cells to
Romanowsky stainingRomanowsky staining
Cellular componentCellular component
NucleiNuclei
ChromatinChromatin
NucleoliNucleoli
CytoplasmCytoplasm
ErythroblastErythroblast
ReticulocyteReticulocyte
ErythrocyteErythrocyte
ColourColour
PurplePurple
BlueBlue
Dark blueDark blue
BlueBlue
Dark pinkDark pink
www.indiandentalacademy.comwww.indiandentalacademy.com
8. ToxicToxic
GranulationGranulation
SepsisSepsis
InflammationInflammation
Changes in granulocytesChanges in granulocytes
seen in blood film ofseen in blood film of
patients with inflammatorypatients with inflammatory
conditions.conditions.
These are dark blue, coarseThese are dark blue, coarse
granules in neutrophils.granules in neutrophils.
www.indiandentalacademy.comwww.indiandentalacademy.com
9. Other inclusionsOther inclusions
Howell-Jolly bodyHowell-Jolly body
Dohle bodyDohle body
PurplePurple
Light blueLight blue
www.indiandentalacademy.comwww.indiandentalacademy.com
10. Howell- jolly bodies are nuclearHowell- jolly bodies are nuclear
remnants in erythrocytes.remnants in erythrocytes.
The nuclear remnants in normal redThe nuclear remnants in normal red
cells is removed by spleen.cells is removed by spleen.
These bodies are seen inThese bodies are seen in
splenectomy, asplenia, hereditarysplenectomy, asplenia, hereditary
spherocytosis, megaloblasticspherocytosis, megaloblastic
anemia,abnormal erythropoisis.anemia,abnormal erythropoisis.
www.indiandentalacademy.comwww.indiandentalacademy.com
11. Howell jolly bodies are round, smooth,Howell jolly bodies are round, smooth,
pyknotic purple bodies.pyknotic purple bodies.
Size: 0.5-1 micron.Size: 0.5-1 micron.
They are nuclear remnants or aggregatesThey are nuclear remnants or aggregates
of chromosomes that have been separatedof chromosomes that have been separated
from mitotic spindle and remain in RBC.from mitotic spindle and remain in RBC.
www.indiandentalacademy.comwww.indiandentalacademy.com
12. Dohle BodiesDohle Bodies
11. Burn. Burn
2. Infection2. Infection
3. Physical trauma3. Physical trauma
4. Neoplastic diseases4. Neoplastic diseases
5. Chediak-higashi5. Chediak-higashi
Syndrome.Syndrome.
Döhle bodies are light blue-gray,
oval, basophilic, leukocyte inclusions located in
the cytoplasm of neutrophils.
They measure 1-3 µm in diameter. They are
thought to be remnants of the rough endoplasmic
reticulum.
They composed of agglutinated ribosomes.
www.indiandentalacademy.comwww.indiandentalacademy.com
16. BURR CELLBURR CELL
A/c echinocytes , red cells with abnormalA/c echinocytes , red cells with abnormal
cell membrane characterized by thornycell membrane characterized by thorny
projection.projection.
It is reversible condition.It is reversible condition.
Loss of intracorpuscular water due toLoss of intracorpuscular water due to
osmotic imbalance.osmotic imbalance.
Red cell receptors bind to HDL whichRed cell receptors bind to HDL which
induces this shape in hyperlipidemia.induces this shape in hyperlipidemia.
www.indiandentalacademy.comwww.indiandentalacademy.com
18. TARGET CELLTARGET CELL
A/C codocyte.A/C codocyte.
The appearance is due to decrease in HbThe appearance is due to decrease in Hb
content relative to surface area of redcontent relative to surface area of red
cell.cell.
Decrease in cell volume without alteringDecrease in cell volume without altering
membrane area.membrane area.
In blood vessel codocyte is bell shapeIn blood vessel codocyte is bell shape
and in smear appears target shaped.and in smear appears target shaped.
www.indiandentalacademy.comwww.indiandentalacademy.com
20. Sickle cell AnemiaSickle cell Anemia
Red cells containing HbSRed cells containing HbS
when subjected towhen subjected to
deoxygenated state leads todeoxygenated state leads to
polymerization (viscous gelpolymerization (viscous gel
state) of HbS molecule.state) of HbS molecule.
Upon oxygenationUpon oxygenation
depolymerization (fluiddepolymerization (fluid
state) of Hbs occurs leadingstate) of Hbs occurs leading
to normal shape of RBCs.to normal shape of RBCs.
www.indiandentalacademy.comwww.indiandentalacademy.com
22. Bite CellsBite Cells
Deficiency of G6DP leads to decreasedDeficiency of G6DP leads to decreased
availability of glutathione,which isavailability of glutathione,which is
important for removal of H2O2.important for removal of H2O2.
Accumulation of H2O2 causesAccumulation of H2O2 causes
oxidation of Hb and ppt. of globinoxidation of Hb and ppt. of globin
which attaches to red cell membrane inwhich attaches to red cell membrane in
the form of inclusion bodies.(Heinzthe form of inclusion bodies.(Heinz
bodies)bodies)
This red cell membrane isThis red cell membrane is
phagocytosed by splenic macrophages.phagocytosed by splenic macrophages.
www.indiandentalacademy.comwww.indiandentalacademy.com
23. Tear drop CellsTear drop Cells
a/c dacroocyte.a/c dacroocyte.
It is a type of poikilocyte.It is a type of poikilocyte.
Seen in myelofibrosis.Seen in myelofibrosis.
www.indiandentalacademy.comwww.indiandentalacademy.com
25. LeukopeniaLeukopenia: WBCs count < 4,000/cumm.: WBCs count < 4,000/cumm.
LeukocytosisLeukocytosis: 11,000-25,000/cumm: 11,000-25,000/cumm
Aleukemia:Aleukemia:
Blasts are not present in peripheral smear but are present in boneBlasts are not present in peripheral smear but are present in bone
marrow. Leukemic changes in bone marrow. ( WBC count ismarrow. Leukemic changes in bone marrow. ( WBC count is
subnormal)subnormal)
Subleukemia:Subleukemia:
Total leukocyte count is normal or low but blasts areTotal leukocyte count is normal or low but blasts are
demonstrable in peripheral blood.( WBC count is normal ordemonstrable in peripheral blood.( WBC count is normal or
subnormal)subnormal) www.indiandentalacademy.comwww.indiandentalacademy.com
26. Leukaemoid reaction:Leukaemoid reaction:
TLC is < 50,000/cumm.it can occur in infection,TLC is < 50,000/cumm.it can occur in infection,
inflammation and malignancies. presence of both mature andinflammation and malignancies. presence of both mature and
immature WBCs.immature WBCs.
presence of toxic granules in neutrophils.presence of toxic granules in neutrophils.
No splenomegaly, monocytosis, eosinophilia.No splenomegaly, monocytosis, eosinophilia.
Acute leukemia:Acute leukemia:
TLC is > 1 lakh/cumm.TLC is > 1 lakh/cumm.
It is malignant clonal proliferation of immature or blast cellIt is malignant clonal proliferation of immature or blast cell
of haematopoitic origin.of haematopoitic origin.
Short duration, fast growing , early appearance of c/f.Short duration, fast growing , early appearance of c/f.
www.indiandentalacademy.comwww.indiandentalacademy.com
27. Subacute leukemia:Subacute leukemia:
TLC is between 1-2 lakh/cumm.TLC is between 1-2 lakh/cumm.
The severity and duration ranges between acute and chronic.The severity and duration ranges between acute and chronic.
Chronic leukemia:Chronic leukemia:
TLC >2 lakhs/cummTLC >2 lakhs/cumm
It is malignant clonal proliferation of mature or differentiatedIt is malignant clonal proliferation of mature or differentiated
cells of haematopoitic origin.cells of haematopoitic origin.
Long duration, slow growing , late appearance of c/f.Long duration, slow growing , late appearance of c/f.
www.indiandentalacademy.comwww.indiandentalacademy.com
28. Auer rods are clumpsAuer rods are clumps
of azurophilicof azurophilic
granular materialgranular material
present as elongatedpresent as elongated
structure instructure in
cytoplasm ofcytoplasm of
myeloblastsmyeloblasts..
www.indiandentalacademy.comwww.indiandentalacademy.com
29. Quantitative disorders of WBCsQuantitative disorders of WBCs
www.indiandentalacademy.comwww.indiandentalacademy.com