1. Mimics of infectious diseases Zunaira Islam MD PGY1 Kausar Akhtar, Infectious Disease Orlando Regional Medical Center

2. Initial Infectious Dx Cellulitis Noninfectious Mimic Squamous cell carcinoma Hyperthyroidism Pemphigus Sweet ’s syndrome (neutrophilic skin infiltration Pyoderma grangrenosum Familial Mediterranean Fever Familial Hiberan Fever Eosinophilic cellulitis (Wells syndrome) Erythromelalgia Carcinoma Erysepelatoides Sneddon Wilkinson disease Foreign body granulomatous reaction Pustular psoriasis Acute generalized exanthematous pustulosis (drugs reaction)

10. Iguazu waterfalls – Brazil / Argentina

12. Khone waterfalls – Laos (Africa)

18. INFECTIOUS Pneumonia NON-INFECTIOUS MIMIC Pulmonary embolus hemorrahage Pulmonary alveolar proteinosis Pulmonary Renal Syndrome Wegener ’s granulomatosis Goodpasture ’s syndrome Aspiration syndromes Zenker ’s diverticulum Lipid (nasal or lip emulsions) Metastatic cancer B.O.O.P Chronic Eosinophilic pneumonia Hypersensitivity pneumonitis Radiation pneumonitis Chemotherapy/drug induced Collagen vascular diseases associated Granulomatous Vasculitis Churg Strauss (eosinophilic) syndrome Pulmonary vasculitis

21. INFECTIOUS Osteomyelitis Septic arthritis Lymphadenitis Misc: NON-INFECTIOUS MIMIC Sarcoma Metastatic carcinoma Gout Pseudogout Reactive arthritis Rheumatoid arthritis Psoriatic arthritis Lymphoma Carcinomatosis Angioimmunoblastic lymphadenopathy SLE Sarcoidosis Rheumatologic, Autoimmune.

25. Infectious Meningitis/meningo-encephalitis Non Infectious Mimic Acute: NSAID drugs SLE Recurrent: Mollart ’s meningitis(HSV?) SLE Tumor Migraine Dermoid cyst Fourth ventricle cyst Chronic: Behcet ’s disease Leptomeningeal metastas Primary CNS angitis SLE Sjogren syndrome Other: Sarcoidosis , liver failure, malignancy

26. Infectious Sepsis Non Infectious Adrenal insufficiency GI Bleed / hypotension MI PE Pancreatitis Diurectic induced DKA Vasculitis Anaphylaxis Drug overdose