31 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
Generalized Hyperpigmentation ... Differentials ... the Mnemonic "no skin ... #5 #diagnosis #differential ... #skin #skinrash
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Differential Diagnosis ... • Lymphoma • Leukemia ... secondary #systemic #generalized ... #dermatology #Differential
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Herpes Zoster: Herpes ... superimposed bacterial skin ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #Zoster #V1 #UCSDH
Leukemic skin Infiltrate: Patient with known Acute Myelogenous Leukemia presented with diffuse
bullous lesions (not shown). These
Leukemic skin Infiltrate ... Acute Myelogenous Leukemia ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... Infiltrate #AML #UCSDH
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... - Differential ... Diffuse Congenital - Generalized ... of hair, eyes, skin ... #dermatology #Differential
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Leukemias Overview ... Chronic leukemia ... Neutrophils • Immature/Myeloblasts ... CLL -> Invade Skin ... #Hematology #Oncology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... - Differential ... Painful: • Herpes ... ulcerative #skinrash #dermatology ... #Differential #
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Herpes zoster 3 ... Herpes simplex ... Acute generalized ... #Lesions #Differential
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential ... • Bleomycin Hematologic ... Leishmaniasis - Viral - Herpes ... #Differential #
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... chickenpox) • Herpes ... shingles) • Herpes ... #Differential #