36 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
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , abdominal pain ... Cold #Urticaria #diagnosis ... #rheumatology #comparison
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
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... early localized disease ... gyratum repens • A skin ... PrathitKulkarni #Erythemas #comparison ... #differential #diagnosis
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Diagnosis Framework ... did not yield a diagnosis ... Red Flags: • Fever ... • Skin changes ... #Differential #Diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... ) ▪ Malaise, fever ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Onset Still's Disease ... with urticarial rash ... Rash: • Nonpruritic ... maculopapular skin ... #rheumatology #management
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... skin of inflamed ... type #clinical #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... sudden onset of a rash ... - Rash: multiple ... Inflammation and pain ... Causes: - Idiopathic
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... loss from the skin ... #Hyperthermia #comparison ... #diagnosis #management