7 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... form of delayed-type ... of necrotizing vasculitis ... #comparison #table ... #differential #diagnosis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... hyperkeratotic w/ erythema ... demarcation line of erythema ... #clinical #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... such as certain types ... gangrenosum - Erythema ... Cellulitis - Erythema ... nodosum - Acral erythema
Mycoplasma pneumoniae–Associated Mucositis- ...severe mucositis developed that involved the lips, buccal mucosa (Panel A), conjunctivae, and
pneumoniae–induced erythema ... mycoplasma-induced rash ... #clinical #photo ... #NEJM #mycoplasma ... pneumoniae #mucositis #erythema
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
virus • CMV • EBV ... Maculopapular rash ... 10 weeks after erythema ... • Common clinical ... - History of erythema
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Divided Into Two Types ... malignancies, vasculitis ... Painful or pruritic erythema ... : • + Clinical ... cryoglobulins • Negative causes
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
leukocytoclastic vasculitis ... A diagnosis of pyoderma ... disease after erythema ... #clinical #photo ... #NEJM #pyoderma