11 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
-6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin ... #skinrash
Holster Sign in Dermatomyositis

Interestingly, poikiloderma and violaceous erythema can occur in sun protected areas as well
Holster Sign in ... Dermatomyositis ... sign Dr. ... SkinRash #Dermatomyositis ... #Dermatology #Clinical
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... organ-specific signs ... Disorders #Algorithm #Differential ... #diagnosis #hematology ... #eosinophilia
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... • Varicella zoster ... • Herpes zoster ... Vesiculobullous #SkinRash ... #dermatology #Differential
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... Diagnosis Definition ... polyangiitis (Wegener), Eosinophilic ... , Sarcoidosis, Dermatomyositis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Seborrhea • Dermatomyositis ... Amyloidosis • Eosinophilic ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... Diagnosis Algorithm ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #dermatology #Differential
Facial Swelling - Differential Diagnosis Framework for Facial Edema

Infectious:
	• Dental abscess
	• Ludwig's angina
	• Vincent's angina
	• Cellulitis
	•
Diagnosis Framework ... Autoimmune: • SLE • Dermatomyositis ... angioedema with eosinophilia ... Preeclampsia Dermatologic ... #Diagnosis #PhysicalExam
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Diagnosis Framework ... Herpes zoster 3 ... Eosinophilic folliculitis ... #Diagnosis #Dermatology
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Diagnosis? ... Differential for ... reaction with eosinophilia ... Vasculitis #LCV #Hand #skinrash ... #dermatology #clinical