Snapshot A 47-year-old man presents to the emergency department complaining of retrosternal pain. The patient states that for the past 2 weeks he has had pain with swallowing and now the pain is almost constant. His medical history is significant for a renal transplant 5 months ago, for which he is on immunosuppressive therapy. Physical examination is unremarkable. An upper endoscopy reveals multiple, discrete, shallow ulcerations of the esophagus. (Herpes simplex virus esophagitis) Introduction Clinical definition login to view 1 more bullet Differential login to view 14 more bullets Etiology Pathogenesis login to view 8 more bullets Corrosive Esophagitis Corrosive esophagitis login to view 13 more bullets Presentation login to view 5 more bullets Studies login to view 7 more bullets Treatment login to view 8 more bullets Complications login to view 31 more bullets Candida Esophagitis Candida esophagitis login to view 6 more bullets Presentation login to view 3 more bullets Studies login to view 3 more bullets Treatment login to view 7 more bullets Herpes Simplex Virus Esophagitis Herpes simplex virus (HSV) esophagitis login to view 2 more bullets Presentation login to view 5 more bullets Studies login to view 5 more bullets Treatment login to view 1 more bullet Cytomegalovirus Esophagitis Cytomegalovirus (CMV) esophagitis login to view 5 more bullets Presentation login to view 4 more bullets Studies login to view 4 more bullets Treatment login to view 2 more bullets Eosinophilic Esophagitis Eosinophilic esophagitis login to view 7 more bullets Presentation login to view 6 more bullets Studies login to view 10 more bullets Treatment login to view 6 more bullets Complications login to view 1 more bullet Medication-Induced Esophagitis Medication-induced esophagitis login to view 17 more bullets Presentation login to view 4 more bullets Studies login to view 5 more bullets Treatment login to view 1 more bullet