11 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... procedures - Infection ... decreased PLT count: CBC ... (CVID, WAS), (neurologic ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... usually IgG) (e.g. lupus ... • Intrinsic RBC ... #hematology #anemia
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Lymphocytosis on CBC ... cells can indicate disease ... #workup #oncology ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... Neutrophils • Immature/Myeloblasts ... infiltrates (anemia, thrombocytopenia ... #Leukemia #Hematology ... #Oncology #Diagnosis
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Vmphocytosis on routine CBC ... Complications: 1) Infection ... chemotherapy for low-risk disease ... Leukemia #oncology #hematology ... #hemeonc #diagnosis
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Lymphoma (HCV) • CLL ... et diutinum Neurologic ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Differential #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... fibromyalgia) • Infections ... and CNS • Headache ... titers > 1:80 • CBC ... #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
nervous system (CNS ... SLE], AOSD) • Infection ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... - Lupus - Leukemia ... - CBC may also ... Treatment: - Systemic ... #diagnosis #dermatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Myeloproliferative Disease ... • Parvovirus infection ... Workup: • Complete ... #diagnosis #hematology