Table of Contents Introduction by Walter Dehority, MD, MSc An Atypical Case of Parotid Swelling Leg Pain in a 10-year-old Girl A Lytic Bone Lesion in a 23-month-old Boy from Kenya Severe Mucositis in the Setting of Mycoplasma pneumoniae and Streptococcal Coinfection Recurrent Aseptic Meningitis in a 14-year-old Boy Bullous Skin Lesions in a 14-year-old Girl Fever and Perianal Erythema in a 5-year-old Boy Refractory Pneumonia in a 12-year-old Girl with Hemoglobin SS Disease Erythematous Chest Wall Mass in a 2-week-old Neonate A Child with Swelling and Discoloration of the Fingertip Acute Juxtaposed Genital Ulcers in a Pubertal Girl A Pain in the Neck: An Adolescent with Neck Pain Unexpected Bullae in a 12-year-old Boy An Ulcerating Perineal Rash in an 8-month-old Girl Fever, Vomiting, and Abdominal Pain in a 9-year-old Boy Abdominal Discomfort, Altered Bowel Habits, and Weight Loss in a 13-year-old Girl A Chief Complaint of Blisters in an Adolescent Treatment-Resistant Bacterial Lymphadenitis in an Otherwise Healthy Girl Fever, Cough, and Flank Pain in a 10-year-old Boy Hematuria in a 13-year-old Boy.