91 results
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... Myelodysplastic syndrome ... • Sickle cells ... alcoholism • Burr cells ... Hemolytic uremic syndrome
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
Dacrocytes (tear drop cells ... each of the above photos ... metaplasia, pernicious anemia ... some hemolytic anemias ... Path #BloodSmear #Blood
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
cell count (anemia ... • Aplastic Anemia ... cells, red blood ... cells - red blood ... cells, white blood
Spur-Cell Anemia- A 31-year-old man with a history of cirrhosis, recurrent hepatic encephalopathy, and anemia presented
..A peripheral-blood ... Spur cells acquire ... resolve despite blood ... #NEJM #clinical ... #peripheral #blood
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Megaloblastic Anemia ... Sickled red cells ... disease Bite cells ... #Peripheral #Blood
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood ... In the right photo ... seen in hemolytic anemias ... hemolytic- uremic syndromes ... Path #BloodSmear #Blood
Codocytes (Target cells) - Two target cells are seen in the left photo and one in
) - Two target cells ... seen in the left photo ... present in the left photo ... with hemolytic anemias ... Path #BloodSmear #Blood
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
Abnormalities: macrocytic anemia ... hematopoietic stem cells ... including peripheral blood ... myeloid cells ... NEJM Review: https
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Constitutional Syndromes ... Constitutional Syndromes ... marrow-failure syndromes ... myelodysplastic syndrome ... result from low blood
Some of the techniques used for Antenatal Diagnosis

Amniocentesis 
 - Chromosome/micro-array and DNA analysis 
 -
— PCR Fetal blood ... haemoglobin for anaemia ... genetic analysis of cells ... surgery, e.g. laser photo-coagulation ... transfusion syndrome