29 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... plateletcount), peripheral blood ... smear, HIV/HCV ... dysplasia on the smear ... #Workup #hematology
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood ... fetus/newborn the causes ... #Path #Peds #BloodSmear ... #Blood #Smear #
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
In this case, arrows ... Clinical #Path #BloodSmear ... #Blood #Smear #
Spherocytes - The arrow points to one of many spherocytes in this photo. The cells have
This smear was from ...

Causes of spherocyte ... Clinical #Path #BloodSmear ... #Blood #Smear #

A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
hospitalization and treatment ... her peripheral blood ... smear showed hypogranular ... Clinical #Path #BloodSmear ... #Blood #Smear #
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
on Peripheral Blood ... Smear 23M Somali ... Treatment is tetracycline ... initiation of treatment ... #recurrentis #BloodSmear
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
type ± C3d • Blood ... smear: Differential ... 2) LOOK FOR a cause ... diagnosis #management #treatment
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
(RBC = red blood ... ordering a peripheral smear ... the most likely cause ... recovery also causes ... of the initial work-up
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Peripheral blood ... evaluation or workup ... 1,500 cells/µL Workup ... for secondary causes ... glucocorticoid treatment
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Peripheral Smear ... Out Secondary Causes ... Workup: • Complete ... smear • Bone marrow