125 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... #joint #pain #skin ... #rashes #differential
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... the Mnemonic "no skin ... #5 #diagnosis #differential ... #symptoms #signs ... #dermatology #skin
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... lesions Abdominal pain ... (20%) Renal disease ... erythematosus #signs ... #symptoms #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... GPA causes disease ... vasculitis Skin ... also occur Skin ... Skin Biopsy
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... red nodules on shins ... #Differential # ... Diagnosis #Algorithm #causes
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Pregnancy - Specific Skin ... - Non-Primary Skin ... Pruritic - Primary Skin ... dermatoses #pregnancy #rash ... #dermatology #Differential
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... of hair, eyes, skin ... Hypopigmentation #disorders #skin ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... trigger - Direct skin ... 50% of patients Skin ... , abdominal pain ... 1% of patients Skin
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
of germinative skin ... Causes: 1) Exfoliative ... Basophils/Histamine 4) Skin-homing ... #Rash #Erythroderma ... Nikolsky #Algorithm #Differential