13 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Bite Cell RBC: G6PD ... Unstable hemoglobin disorders ... Target Cell RBC ... #differential #diagnosis ... hematology #microscopy #atlas
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... changes), high MCV anemia ... not required in all ... #Causes #Workup
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Consider sickle cell ... membrane disorder ... #Algorithm #workup
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... ) (e.g. lupus, CLL ... lymphoproliferative disorders ... • Intrinsic RBC
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Diagnosis: • ... cells can indicate disease ... lymphoproliferative disorders ... • Neutropenia, anemia ... #workup #oncology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
to Joint Pain - Diagnostic ... ), RA, crystal disease ... Send for cell count ... Like in this case ... rheumatology #approach #workup
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... Myeloproliferative Disease ... Workup: • Complete ... Myelodysplastic #Syndromes #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... ) • Endocrine disorders ... lymphopenia, low PLT • Anemia ... titers > 1:80 • CBC ... Erythematosus #Diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... metabolic or endocrine disorders ... #laboratory #workup ... #diagnosis #testing
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... Rare Disorder: ... general feeling of ill ... Causes: - Idiopathic ... - CBC may also