AccessPediatrics' Image of the Month Scarlet Fever and Perianal Strep Diagnosis What's your diagnosis? Leah Carton Nov 13, 2019 Share Tweet Share Share Scarlatina rash from streptococcal pharyngitis infection. Source: Superficial Bacterial, Fungal, and Parasitic Infections, Tenenbein M, Macias CG, Sharieff GQ, Yamamoto LG, Schafermeyer R. Strange and Schafermeyer's Pediatric Emergency Medicine, 5e; 2019.