21 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Rash is usually ... on the back of hands ... and include: infections ... #differential #diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
treatment, the infection ... the palms of the hands ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... virus, hepatitis B and ... Bartonella spp., syphilis ... #Differential #Diagnosis ... #Clinical #AAFP
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
Syphilis - Clinical ... responsible for most cases ... loss • Skin: Rash ... ; Alopecia • Renal ... #stages #diagnosis
Plain radiography of the abdomen revealed calcification of both adrenal glands. A homozygous mutation in LIPA
calcification of both adrenal ... confirmed the diagnosis ... gut, which causes ... #clincial #peds ... #infant #NEJM #
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... Variety #type #clinical ... #photo #foot #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... gram-negative bacillus cause ... the key to the diagnosis ... #dermatology #clinical ... #photo
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Maculopapular rash ... • Common clinical ... • In tertiary syphilis ... • Uveitis • Rash
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... Infections - ... patients - Atypical syphilis ... papules, blotch erythema ... +/- psoriatic rash
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Clinical Findings ... Environmental triggers - Infectious ... Viral replication causes ... Testicular pain, erythema ... Pathophysiology #Diagnosis