21 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... cryoglobulins • Skin ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... ulcerations • Skin ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
igne (EAI) is a skin ... reaction caused ... #Igne #AbIgne #PhysicalExam ... clinical #video #skin ... #dermatology #rash
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... rash in association ... Edema in 70% of cases ... Skin involvement ... DRESS #Syndrome #dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... considered in all cases ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
blisters containing pus ... Rule out other causes ... SAPHO #Syndrome #Rheumatology ... #diagnosis #management ... #Dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
nervous system (CNS ... Petechial or purpuric rash ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Miliaria Crystallina on Skin Physical Examination

A 55-year-old man who had been admitted to the intensive care
Crystallina on Skin ... caused by The ... This is caused by ... #PhysicalExam # ... clinical #video #dermatology