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

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... lesions that result ... leakage of RBC's secondary ... deficiencies - PNH ... Differential #Diagnosis #hematology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... SAPHO syndrome ( ... Eosinophilic folliculitis ... Secondary syphilis ... Sweet syndrome
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... heaped, wart-like lesions—Condyloma ... resembling rashes caused ... Diagnosis #Clinical #Photo ... #Dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... associated with secondary ... features such as crusts ... that contain pus ... #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 #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
progressive) EGPA (Eosinophilic ... Polyangiitis): • Eosinophilia ... tract, and often causes ... vasculitis • Behcet syndrome ... vasculitis • Cogan syndrome
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... Type III Often Secondary ... diagnosis #types #classification
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Lacrimal swelling • Skin ... other diseases • Secondary ... Hypocomplementemia • Can cause ... peripheral neuropathy, transverse ... Nephrogenic DI Hematologic