Blood Film Staining: Regular and Malignant Cells Essay

Blood vessels Film Discoloration – Regular & Malignant Cells

Case Study 1

Men 72 years

Hb 77g/l (NR 130-180)

RBC installment payments on your 23 by 10¹²/l (NR 4. 5-6. 5)

MCV 88fl (NR 76-96)

WBC 98. 2 x 10/l (NR 4-11)

Platelets 28 x 10/l (NR 150-400)

A) Calculation of PCV (packed cellular volume or perhaps haematocrit)

PCV = RBC (cells/l) times 10¯¹² x MCV (fl)

RBC sama dengan 2 . 23 x 10¹²/l

MCV sama dengan 88fl or 88 by 10/l

PCV = 2 . 23 by 88 x10

PCV sama dengan 196. 24/1000

PCV = 0. 196 (NR zero. 4-0. 54)

B) Computation of MCH (mean cellular volume)

MCH = Hb (g/dl) by 10

RBS (cells/l) x 10¯¹²

Hb = 77g/l or perhaps 7. 7g/dl

RBC sama dengan 2 . 3 x 10¹²/l

MCH = 7. several x twelve =34. 52 pg (10¯¹²g)/cell (NR 27-32 pg (10¯¹²g)/cell) 2 . 23

C) Calculations of MCHC (mean corpuscular haemoglobin concentration)

MCHC sama dengan Hb (g/dl)

PCV (l/l)

Hb = 77g/l or six. 7g/dl

PCV = zero. 196

MCHC = six. 7 sama dengan 39. 3g/dl or 393 g/l (NR 30-35 gt/dl)

0. 196

The blood film shows large number of abnormal premature white cells (blasts), perhaps hypergranular promyleocytes, which are uncommon in the blood of healthy person.

Promyleocytes are larger than myeloblasts with more plentiful cytoplasm and therefore a lower nucleocytoplasmic ratio. They will cytoplasm is far more basophilic than that about myeloblasts and has azurophilic (pinkish-purple) primary lentigo. The nucleus is circular or oblong, is usually odd, shows a lot of chromatin moisture build-up or condensation and has visible nucleolus. Because they may have no specific (lineage-associated) lentigo, promyleocytes, that happen to be precursors of neutrophils, esinophils or basophils, cannot generally be distinguished from each other (Bain 2004).

Blood rely results present low haemoglobin (Hb) focus in the bloodstream and the crimson cell rely (RBC) is also low, generally there for crammed cell volume (PCV) looks as well low. Mean cell volume (MCV) is within the normal reference range, which means that the red skin cells are regular size. White blood cellular count (WBC) is highly increased and platelets count is decreased. Fall in platelets number can be as a result of increased volume of cancer skin cells in cuboid marrow, a fall in platelets count stop formulation of clots, that leads to haemorrhage resulting in interior or exterior bleeding. Imply corpuscular haemoglobin (MCH) is a little bit over the normal advised range and mean corpuscular haemoglobin concentration (MCHC) can be increased. Elevated MCHC values might imply that the haemoglobin inside the cells is extraordinarily concentrated.

In this case it is also possible that the individual has serious myeloid leukaemia (AML). Sudan black and myeloperoxidase staining of blood are positive and this indicates the potential of AML. AML is subdivided into distinct subtypes: M0-M7.

Blood film reveals possible severe promyleocytic leukaemia (M3 AML), which is characterized by abnormal hypergranular promyleocytes, acytogenic translocation, and a bleeding disorder secondary to consumptive coagulopathy and fibrynolysis (Bhagavan 2002)

To confirm the diagnosis the back puncture to get cerebrospinal substance examination must be preformed (Hoffbrand 2006) and it may display that the spine fluid is made up of leukaemic cells.

Cell surface markers must be identified, in this instance it's CD13+, CD33+, CD117- and CD15- (Hoffbrand 2006)

The bone tissue marrow ought to be examined to verify that it is hypercellular with leukaemic blasts.

Testing for disseminated intravascular coagulation (DIC) must be performed. And as for M3 AML it is positive effect.

Cytogenic and molecular analysis should be performed. The cytogenic hallmark pertaining to M3 AML consists of a well balanced reciprocal translocation between the very long arms of chromosomes 12-15 and 18, designated because t (15; 17). The translocation results in two recombinant chromosomes, one particular abnormally very long 15q+ and one shortened 17q-. This kind of translocation fuses the severe promyelocytic leukaemia gene located on chromosome 12-15 with the retinoic acid radio (RARα) gene located on chromosome 17 (Bhagavan...

References: Bhagavan, N. Versus. (2002) Medical Biochemistry, 4th Edition, Harcourt/Academic Press, London, UK

Bain, B. T. (2004) A Beginners Guide to Blood Cellular material, 2nd Release, Blackwell Submitting, Oxford, UK.

Hoffbarand, A. V., Moss, P. A. H & Pettit, J. E. (2006) Essential Haematology, 5th Model, Blackwell Submitting, Oxford, UK

Murphy, K., Travers, G. & Walport, M. (2008) Immunobiology, seventh Edition, The singer and Francis Group, Abingdon, UK

Krafft, A & Breymann, C. (2004) Haemoglobinopathy in Being pregnant: Diagnosis and Treatment, Current Medical Hormone balance, 11, 2903-2909


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