17 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Images #Clinical ... #Dermatology #SkinRash ... #Erythema #ENodosum
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Nodosum #Causes ... Differential Diagnosis #Dermatology ... #SkinRash #Clinical
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Most cases are idiopathic ... Centrifugum #EAC #clinical ... #photo #dermatology ... #skinrash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
deficiencies - PNH ... reactions • Erythema ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
• Acquired Risk ... cardiovascular risk ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
transfused patientsl • Risk ... factors: Critical ... without other cause ... Transfusion #Reactions #hematology ... diagnosis #comparison #table
Holster Sign in Dermatomyositis

Interestingly, poikiloderma and violaceous erythema can occur in sun protected areas as well
and violaceous erythema ... as well giving rise ... #Sign #Thighs #SkinRash ... Dermatomyositis #Dermatology ... #Clinical #Photo
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Painful or pruritic erythema ... Diagnosis: • + Clinical ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Erythroderma: Marked inflammation and scaling which can result from a variety of medical conditions.
In this case,
In this case, associated ... The erythema is ... UCSD Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... circulation = risk ... Better call hematology ... JAK2 V617F) and MPNs ... Algorithm #workup #hematology