17 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential ... Megakaryopoiesis • Aplastic ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... #Hematology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... , infections, drug ... Disease • Cogan syndrome ... #skin #dermatology ... #rheumatology #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... : - Drug induced ... #Diagnosis #hematology ... #rheumatology #
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Headaches • Pale skin ... and petechiae Causes ... - Cytotoxic drugs ... - Antithyroid medications ... Anemia #oncology #hematology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
• Loose anagen syndrome ... - Secondary to Skin ... Follicularis • Aplasia ... Diffuse #Focal #HairLoss ... Diagnosis #Algorithm #causes
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential ... - Parasites Drugs ... Asthma Tugs (vasculitis ... Hypereosinophilic Syndrome ... #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... • Drug Associated ... • Cogan Syndrome ... #rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... reticularis Differential ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... • Nephrotic Syndrome ... coagulation and other causes ... 19 - PNH - Vasculitis ... pathophysiology #hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin ... Alopecia mucinosa, Aplasia ... , Loose anagen syndrome ... #Hairloss