19 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Systemic and Primary Causes ... Lesions == Macules ... Lesion / Systemic ... Myelodisplastic syndrome
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... SAPHO syndrome ( ... Eosinophilic folliculitis ... Acute generalized ... Sweet syndrome
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Edema in 70% of cases ... Skin involvement ... SJS/TEN • Acute Generalized ... SinaiBmoreIMRes #DRESS #Syndrome ... #dermatology #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Autoimmune diseases ... lesions - Wheals ... neutrophils and eosinophils ... Urticaria #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... lesions that result ... Kasabach-Merritt syndrome ... deficiencies - PNH ... Gardner-Diamond syndrome
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... features such as crusts ... that contain pus ... or part of a generalized ... #Diagnosis #Dermatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
be any age) Autoimmune ... Lacrimal swelling • Skin ... Hypocomplementemia • Can cause ... peripheral neuropathy, transverse ... Nephrogenic DI Hematologic
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... classic targetoid lesions ... shows numerous eosinophils ... differential #diagnosis #dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... • Nephrotic Syndrome ... atherosclerotic lesions ... coagulation and other causes ... pathophysiology #hematology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
bone, joint, and skin ... blisters containing pus ... lesions + Rheumatic ... Rule out other causes ... #Rheumatology #