Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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oncology atlas hemolysis hemolytic hemophagocytic hlh lymphohistiocytosis morphology rbc acquired adultonset algorithm arteritis bloodcell calculation capillary cd4 chronic cirrhosis clarksons
Red Blood Cell (RBC) Morphology Atlas • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... Hemolytic uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV) Low MCV - <80fL - "Microcytic" • Iron deficiency
Diagnostic Framework ... Myelodysplastic syndrome ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Red Blood Cell (RBC) Morphology Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC: Pyridoxine deficiency ... Thalassemia, Iron deficiency ... disease anemia ... RBC #Morphology #differential ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes Intravascular Hemolysis: • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... ) (e.g. lupus, CLL ... G6PD deficiency) ... #differential # ... diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis): • Acute infection • Solid organ
malignancies • Anemia ... specifically: iron deficiency ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Differential diagnosis of schistocytes / fragmentation hemolysis: • Thrombotic microangiopathies (TMA) - TTP
Differential diagnosis ... organ or stem cell ... • Severe B12 deficiency ... macroangiopathic hemolytic anemia ... #diagnosis #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... cytopenias (usually anemia ... Allogeneic stem cell ... #Management #treatment ... #hematology #oncology
Hemolytic Anemia - Differential Diagnosis Algorithm • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Diagnosis Algorithm ... Consider sickle cell ... #workup #hematology
Multiple Myeloma and Monoclonal Gammopathies C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN R
40 ml/min A - Anemia ... diseases, CML, ... plasmacytoma, POEMs syndrome ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor The maturation factor is
Chronic kidney disease ... anemia, G6PD deficiency ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
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