16 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne ... or trunk most commonly ... • Most commonly ... include: infections (HSV ... differential #diagnosis #dermatology
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
Erythema Ab Igne ... a skin reaction ... caused by chronic ... clinical #video #skin ... #dermatology #rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... rubrum is most commonly ... skin of inflamed ... #foot #dermatology
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Commonly mistaken ... for tinea. ... Most cases are idiopathic ... EAC #clinical #photo ... #dermatology #skinrash
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... sclerosis (white "ash ... versicolor (more commonly ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential ... #common #distribution
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Internal organs Most common ... Causes: - Idiopathic ... Syndrome #diagnosis #dermatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... commonly characterize ... resembling rashes caused ... Diagnosis #Clinical #Photo ... #Dermatology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
: HSV 1): • Herpes ... Maculopapular rash ... • Common clinical ... meningismus are common ... • Uveitis • Rash
Illustrative example of a patient with acrodermatitis chronica atrophicans. 

Acrodermatitis chronica atrophicans is a late skin
atrophicans is a late skin ... of a preceding erythema ... by far the most common ... #Clinical #Dermatology ... #Rash #LymeDisease