Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0027497 (nausea)
 23,468 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 28-year-old woman with nausea, vomiting, and abdominal pain had been hospitalized elsewhere on 13 separate occasions over the year before this admission for similar episodes thought to be secondary to acute pancreatitis. She had undergone repeated work-ups including endoscopic retrograde cholangiopancreatography, computed tomographic scan, and exploratory laparotomy. There was a discrepancy between her unremarkable physical examination and extremely elevated amylase (3,210 U/L) which suggested nonpancreatic hyperamylasemia; normal serum pancreatic isoamylase, trypsinogen, and lipase confirmed this suspicion. The patient was noted to have self-induced vomiting in the hospital which she admitted was frequent behavior. her psychiatric disturbance was characterized as an atypical eating disorder. This case illustrates that hyperamylasemia in association with abdominal pain, nausea, and vomiting may not be secondary to pancreatitis and that use of a second serum marker (such as trypsinogen, lipase, or isoamylase) helps to establish a definitive diagnosis.
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PMID:Atypical eating disorder masquerading as recurrent acute pancreatitis: the value of multiple pancreatic serological markers. 168 31

Fifty-seven patients admitted with the clinical diagnosis of acute pancreatitis had isoamylase analysis on their sera to determine the source of their hyperamylasemia. Our objective was to correlate the isoamylase pattern with our clinical observations. Thirty-nine of 57 patients (68%) had pancreatic hyperamylasemia as expected, but 18 of 57 patients (32%) had normal levels of pancreatic amylase. The hyperamylasemia in the latter group was due either to nonpancreatic hyperamylasemia (16 of 57) of macroamylasemia (2 of 57). Consequently, hyperamylasemia associated with abdominal pain, nausea, and vomiting led to the incorrect diagnosis of acute pancreatitis in 32% of the patients. The measurement of isoamylase profiles can be done rapidly and inexpensively. Knowledge that hyperamylasemia is nonpancreatic in origin may have an important influence on treatment, hospitalization, and the extent of laboratory and radiologic investigation.
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PMID:A correlation between clinical pancreatitis and isoenzyme patterns of amylase. 618 74

We describe a patient with an eating disorder and hyperamylasemia originating from the salivary glands, who developed pancreatitis with a huge pancreatic pseudocyst. A 40-year-old woman was referred for the treatment of an eating disorder that had persisted for 9 years. She was admitted with abdominal pain, diarrhea, and nausea. She had bilateral parotid enlargement with marked elevation of total serum amylase level (3288 IU/l; normal range, 60-220) and an isolated increase of salivary isoamylase activity. After her symptoms resolved, oral intake of food was commenced. She subsequently complained of abdominal pain; this was associated with a slight elevation of serum pancreatic isoamylase and lipase levels, and a huge pancreatic pseudocyst was detected. Percutaneous drainage of the pseudocyst was successful. Endoscopic retrograde cholangiopancreatography demonstrated irregularity of the pancreatic duct. Based on these findings, the final diagnosis was parotid enlargement and acute exacerbation of chronic pancreatitis associated with a pancreatic pseudocyst in a patient with an eating disorder.
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PMID:Pancreatic pseudocyst associated with eating disorder. 965 29