10 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... Risks factor for HIV ... #Diagnosis #Causes ... #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... • HCV, HBV Not ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
intravascular coagulation ... microangiopathy: Thrombotic thrombocytopenic ... e.g. lupus, CLL, lymphoma ... #differential # ... diagnosis #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
- CMV - HCV ... - HIV • Immune ... immunodeficiency virus (HIV ... #oncology #hematology ... #diagnosis #management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Workup: • Full ... Treatment • Early ... #diagnosis #classification ... #hematology #oncology ... #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hemolytic anemia ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
severe thrombocytopenia ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV ... #management #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... infections (acute HIV ... , HBV, EBV, VZV, ... gastric tumors • Hematology ... #diagnosis #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
severe thrombocytopenia ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV ... #management #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Workup: • Complete ... blood count with differential ... Myelodysplastic #Syndromes #diagnosis ... #hematology #oncology