12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... necrosis) • VIT K deficiency ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Treatment of Thrombotic Thrombocytopenic Purpura (TTP)
Diagnosis of TTP:
 • Rare and severe, ADAMTS13 deficiency
 • Autoimmune
Thrombocytopenic Purpura ... severe, ADAMTS13 deficiency ... PLEX and RTX • Short-term ... #rheumatology # ... hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... old, ~10,000 new cases ... only curative treatment ... Myelodysplastic #Syndrome ... #hematology #oncology
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... folate that can cause ... mobilize folate stores ... depleted tissue stores ... differential #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... thrombocytopenic purpura ... G6PD deficiency) ... differential #diagnosis #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Protein S deficiency ... • Nephrotic Syndrome ... coagulation and other causes ... of purpura fulminans ... pathophysiology #hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
, Loose anagen syndrome ... Lithium • Stress ... Scaling, pustules, crusts ... texture at bald spots ... Differential #Diagnosis #dermatology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
and petechiae Causes ... , CTLA4 deficiency ... aplastic anemia Treatment ... Aplastic #Anemia #oncology ... #hematology #diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Petechiae • Purpura ... thrombopoietin deficiency ... Treat primary cause ... #treatment #management ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Pinpoint-sized red spots ... or folic acid deficiency ... • Copper deficiency ... #diagnosis #hematology ... #oncology