72 results
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Trunk / Sacral Skin ... Ulcers - Differential ... Diagnosis Algorithm ... #Sacral #SkinRash ... #dermatology #Differential
Characteristic features of the rash are:

-Rough texture (like sandpaper)
-Worse in the skin folds e.g. groin, axilla,
-Worse in the skin ... Pastia’s lines) #Clinical ... #Dermatology #Peds ... #Pediatrics #SkinRash ... #ScarletFever #Trunk
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
the Mnemonic "no skin ... www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... symptoms #signs #dermatology ... #skin #skinrash
Quick review on streptococcal skin infections. 

Images from dermnet.nz

#diagnosis #clinical #differential #dermatology #skinrash #skin
streptococcal skin ... dermnet.nz #diagnosis ... #clinical #differential ... #dermatology #skinrash ... #skin
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme: skin ... UCSD Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash ... Erythema #Multiforme #Trunk
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Ulcers - Differential ... Diagnosis Algorithm ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... - Differential ... Diagnosis Algorithm ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... scars on face & trunk ... #Pustular #SkinRash ... #dermatology #Differential
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... Diagnosis Algorithm ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
lipid-dependent yeasts Clinical ... • Involves trunk ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis