71 results
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
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... #differential #symptoms ... #signs #dermatology ... #skin #skinrash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... ) • Behcet's syndrome ... Painless: • Primary ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Staphylococcal Scalded Skin Syndrome (SSSS) 
(aka Ritter disease)

#Staphylococcal #Scalded #Skin #Syndrome #SSSS #Diagnosis #Pediatrics #Dermatology #Ritter
Syndrome (SSSS) ... #Syndrome #SSSS ... #Diagnosis #Pediatrics ... #Dermatology #Ritter ... #Disease #Peds
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Capitis - Skin ... Disease: Discoid ... , Loose anagen syndrome ... #dermatology #Hairloss
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Cholestatic liver disease ... Myelodisplastic syndrome ... Psychiatric Disease ... #generalized #dermatology
Manifestations of IgG4-related disease by organ system.
 The most common primary disease features are indicated in
The most common primary ... disease features ... Organs #Systems #Diagnosis ... #Hematology #Signs ... #Symptoms
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... • Loose anagen syndrome ... - Secondary to Skin ... Disease • ... #dermatology #Differential
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
- Differential Diagnosis ... Ulcers/Blisters - Primary ... Dermatologic Diseases ... Stevens-Johnson Syndrome ... MucousMembranes #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Framework Primary ... Vasculitis: • Behcet Disease ... • Cogan syndrome ... #dermatology #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology