29 results
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Nodosum - Causes and Differential ... Almost ALWAYS on anterior ... thighs RARELY ulcerate ... Diagnosis #Dermatology ... #SkinRash #Clinical
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Skin Ulcers - Differential ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... Lives in an old ... heaped up borders); differential ... Blastomycosis #SkinRash ... #dermatology #clinical
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Lofgren's syndrome Ulcerative ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... • Bleomycin Hematologic ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... Contrast Enhanced Ultrasound ... , Metastasis #Liver ... Contrast #CT #MRI #POCUS ... #radiology #differential
Pneumoperitoneum from perforated duodenal ulcer on RUQ POCUS

Male with severe RUQ abdominal pain. Answer in thread.
duodenal ulcer on RUQ POCUS ... pneumoperitoneum anterior ... to the liver where ... duodenal #ulcer #RUQ #POCUS ... #clinical #ultrasound
Portal venous gas on hepatic ultrasound: A concerning finding in the critically ill patient that should
gas on hepatic ultrasound ... reflection on the differential ... portal #venousgas #ultrasound ... #hepatology #liver ... #pocus #clinical