“…8 Like the non-oncologic patient, grampositive bacteria such as Staphylococcus aureus and methicillin-Resistant Staphylococcus aureus (MRSA) are considered common causative agents; however, gramnegative bacteria, especially non-fermenters (including Acinetobacter species, and Pseudomonas species), are more prevalent pathogens in some reports. 9,10 Although Corynebacterium diphtheriae (C. diphtheriae) is a rare etiology for SSIs due to high vaccination rates, 11 oncologic patients may be susceptible to invasive forms of cutaneous diphtheria secondary to altered immune responses. 8 Cutaneous diphtheria is usually complicated pre-existing cutaneous lesions, including traumatic abrasions, surgical wounds, burns, insect bites, pyoderma, eczema, impetigo, and dermatitis, which causes a breach in the skin surface 12,13 ; however, it also could be appeared on previously healthy skin.…”