87 results
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Diagnosis Algorithm ... Painful: • Herpes ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
Tinea Versicolor ... lipid-dependent yeasts Clinical ... erythematous Diagnosis ... #Versicolor #Dermatology ... #SkinRash #Diagnosis
Quick review on streptococcal skin infections. 

Images from dermnet.nz

#diagnosis #clinical #differential #dermatology #skinrash #skin
dermnet.nz #diagnosis ... #clinical #differential ... #dermatology #skinrash
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... chickenpox) • Herpes ... shingles) • Herpes ... Vesiculobullous #SkinRash ... #dermatology #Differential
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Diagnosis Algorithm ... McCune Albright syndrome ... • Melasma • Tinea ... disorders #skin #dermatology ... #Differential #
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Sarcoidosis or Lofgren's syndrome ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Diagnosis Algorithm ... Vesicles: • Herpes ... #skinlesions #dermatology ... #Differential #
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... Pityriasis #rosea #clinical ... #dermatology #photo
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... Leishmaniasis - Viral - Herpes ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Diagnosis Algorithm ... → Refer to hematology ... Kawasaki, Nephrotic syndrome ... #hematology