8 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... function test, ANA (e.g ... #Causes #Workup ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Malabsorption (e.g ... Malignancy, Autoimmune disorders ... (e.g. ... Summary #table #comparison ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... other reproducible morphologic ... Consider RBC membrane disorder ... #Algorithm #workup ... #hematology #testing
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... (BM) ablative disorders ... of substrate (e.g ... Anemia #Algorithm #Diagnosis ... #Workup #Hematology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
altered colour e.g ... a generalized disorder ... nettle sting #Diagnosis ... #Dermatology #Skin ... #Nomenclature #Atlas
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
red bone marrow, e.g ... Diagnosis? ... Biopsy: Solitary disorder ... EMD myeloma Diagnostic ... #Workup #Hematology