66 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Campylobacter, Rickettsiae ... Giardiasis #Erythema
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Disseminated gonorrhea, Rickettsial ... Noninfectious: SJS/TEN, Erythema
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Campylobacter spp., rickettsiae ... malignancies #Erythema
Regression of Clubbing after Treatment of Lung Cancer #Clinical #PhysicalExam #Radiology #Clubbing #Regression #LungCancer #CT #NEJM
Regression #LungCancer #CT ... #NEJM
Panel A shows a patient with erythematotelangiectatic rosacea, in which diffuse erythema and telangiectasia are present
which diffuse erythema ... PrimaryCare #Rosacea #NEJM
Emphysematous Prostatitis - Radiography of the kidney, ureter, and bladder showed an atypical focus of gas
computed tomography (CT ... Clinical #Radiology #CT ... #Prostatitis #NEJM
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
computed tomography (CT ... excretory phase on CT ... Radiology #Pathology #CT ... AcidFastBacilli #Microscopy #NEJM
Pulsatile AAA on Abdominal Exam

A 66-year-old man presented with a 2-month history of abdominal bloating and
abdominal mass, which CT ... Clinical #Video #NJEM
Decompression Sickness - The physical examination revealed diffuse violaceous skin mottling over his trunk and arms
#Pneumatosis #CT ... #NEJM
Fournier’s Gangrene - Physical examination was notable for necrotic-appearing tissue in the scrotum and perineum, with
Clinical #Surgery #CT ... #Subcutaneous #NEJM