7 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Photo credit, Josh ... Fierer, M.D. ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... extensive edema, erythema ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Necrotizing #Fasciitis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Viral: HSV, EBV ... Giardiasis #Erythema ... #Differential #Diagnosis ... #Dermatology #SkinRash
Mechanic’s Hands in Dermatomyositis

Finally, mechanic’s hands which are common to Anti-synthetase syndrome and another type of
typically present with erythema ... of the distal finger ... Mechanics #Hands #SkinRash ... Dermatomyositis #Dermatology ... #Clinical #Photo
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... extensive edema, erythema ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Necrotizing #Fasciitis
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
- Differential Diagnosis ... stomatitis • Erythema ... multiforme • Acute necrotizing ... #Oral #mouth #SkinRash ... #dermatology #Differential
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
A diagnosis of pyoderma ... second most common dermatologic ... disease after erythema ... #clinical #photo ... #NEJM #pyoderma