title: Crystal clear: a unique clue to diagnosis in a patient with recurrent nausea and vomiting.
authors: Department of Medicine, Johns Hopkins Hospital, Baltimore, Maryland.
authors: Shazia Mehmood
authors: SM
authors: Siddique
authors: Department of Medicine, Johns Hopkins Hospital, Baltimore, Maryland.
authors: Nisha Aggarwal
authors: NA
authors: Gilotra
mesh_terms: D000328:Adult; D001706:Biopsy; D003460:Crystallization; D016145:Endoscopy, Digestive System; D004751:Enteritis / Q000150:complications / Q000175:diagnosis* / Q000178:diet therapy / Q000201:enzymology; D004802:Eosinophilia / Q000150:complications / Q000175:diagnosis* / Q000178:diet therapy / Q000201:enzymology; D004804:Eosinophils / Q000201:enzymology*; D005243:Feces / Q000201:enzymology; D005260:Female; D005756:Gastritis / Q000150:complications / Q000175:diagnosis* / Q000178:diet therapy / Q000201:enzymology; D006801:Humans; D008245:Lysophospholipase / Q000032:analysis; D009325:Nausea / Q000209:etiology*; D012008:Recurrence; D016896:Treatment Outcome; D014839:Vomiting / Q000209:etiology*
chemical_list: D008245:Lysophospholipase