69 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... infection • Lyme disease ... Antiphospholipid-antibody syndrome ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... • Goodpasture syndrome
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... deficiencies - PNH ... Gardner-Diamond syndrome
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Cholestatic liver disease ... Myelodisplastic syndrome ... Psychiatric Disease ... #generalized #dermatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
sclerosis (white "ash ... • Addison's disease ... McCune Albright syndrome ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Recurrent / Breakthrough DVT During Anticoagulation

Subtherapeutic Anticoagulation
Hypercoagulable State 
 - Antithrombin deficiency 
 - Hypercoagulability ot
- Behcet's disease ... APLS - MPN/PNH ... - May-Thurner syndrome ... anticoagulation #hematology ... #differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... lymphoproliferative disease ... , may also see skin ... Lesions #Brain #differential ... #diagnosis #causes
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... includes Kawasaki disease ... erythematous rash ... #Diagnosis #Dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Generalized itchy rash ... SAPHO syndrome ( ... Sweet syndrome ... #Lesions #Differential
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... chronic liver disease ... Vibrio #Vulnificus #skin ... #cellulitis #dermatology ... #legs #clinical