79 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's ... triad: Fever, Arthralgia ... /arthritis, Skin ... rash ± odynophagia ... #Disease #diagnosis
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Adult Onset Still's ... Disease Systemic ... with urticarial rash ... maculopapular skin ... #Adult #onset #Stills
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Legg-Calve-Perthes disease ... • Bursitis • IBD ... Causes of Leg Pain ... /swelling - Fever
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
- Differential Diagnosis ... of hair, eyes, skin ... sclerosis (white "ash ... • Addison's disease ... #Algorithm #causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... Rapid onset of fever ... , chills, hypotension ... chronic liver disease ... legs #clinical #photo
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's ... Disease (AOSD) ... : High spiking fever ... maculopapular rash ... #Disease #AOSD
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... : • Still's disease ... Non-Infectious Causes ... : • Still's disease ... #Differential #Diagnosis
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... Exam 60 year old ... splenectomy 1d chills ... BIDMC Infectious Diseases ... #photo
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Insect stings Disease ... symptoms - Headache, fever ... , abdominal pain ... Cold #Urticaria #diagnosis