25 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... Drugs (antibiotics ... HepB, HepC Bacterial ... Psittacosis, Bartonella, Syphilis ... Differential #Diagnosis #Dermatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Tabes dorsalis (syphilis ... • Bleomycin Hematologic ... Herpes simplex - Bacterial ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Secondary Disseminated Syphilis ... Case from my ... /ReafordRJ #Syphilis ... #Disseminated #Dermatology ... #Clinical #Photo
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... Gram Positive Bacteria ... #Hematology
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... vessicles in this case ... superimposed bacterial ... Images #Clinical #Photo ... #Dermatology #SkinRash
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
infections • Bacterial ... N. gonorrhea, Syphilis ... #eye #ocular #dermatology ... viral #fungal #Microbiology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... to 10 percent): antibiotics ... - Bacterial ... Bartonella spp., syphilis ... Erythema #Nodosum #Causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Vascular: • Arterial ... Tabes dorsalis (syphilis ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
febrile illness (caused ... by Coxsackie Virus ... Images #Clinical #Dermatology ... Vesicle #UCSDH #Photo
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
associated with bacterial ... endocarditis, in this case ... Photo credit, Josh ... Images #Clinical #Photo ... #Dermatology #SkinRash