macroamylasemia

macroamylasemia

 [mak″ro-am″ĭ-la-se´me-ah]
the presence of macroamylase in the blood. adj., adj macroamylase´mic.

mac·ro·am·y·la·se·mi·a

(mak'rō-am'i-lā-sē'mē-ă),
A form of hyperamylasemia, in which a portion of serum amylase exists as macroamylase.
[macroamylase + G. haima, blood]

macroamylasemia

[mak′rō·am′ilāsē′mē·ə]
the presence of macroamylase in the blood.

macroamylasemia

A condition characterized by persistent 6-to-8–fold ↑ of macroamylase that occurs in 1% of older subjects, which is linked to a false ↑ in amylase levels, often accompanied by abdominal pain, associated with alcoholism, pancreatitis, malignancy, DM, cholelithiasis, autoimmune disease.

mac·ro·am·y·la·se·mi·a

(mak'rō-am'i-lā-sē'mē-ă)
A form of hyperamylasemia, in which a portion of serum amylase exists as macroamylase.
Synonym(s): macroamylasaemia.
[macroamylase + G. haima, blood]

macroamylasemia

the presence of macroamylase in the blood.
References in periodicals archive ?
Macroamylasemia should be considered in patients with abdominal pain and hyperamylasemia but without imaging findings of pancreatitis.
Here, we present a patient with macroamylasemia who had abdominal pain and persistent hyperamylasemia.
Macroamylasemia was diagnosed on the basis of these findings.
The prevalence of macroamylasemia has been estimated at 1% in normal amylasemic patients and 2.
14) reported a case of macroamylasemia that occurred immediately after acute pancreatitis.
Amylase clearance testing may be used to differentiate between macroamylasemia and pancreatitis.
Hyperamylasemia has been noted in conditions like malignancies (gastric, ovarian neoplasm, multiple myeloma, lung, pheochromocytoma), perforated hollow viscus, ruptured tubal pregnancy, opiate administration, cardiac failure, diabetes ketoacidosis, post cardiac surgery, salivary gland disorders, renal failure, trauma bulimea, anorexia nervosa, familial hyperamylasemia and macroamylasemia.
Serum amylase may also be increased in extra-abdominal states, such as pathologies of the salivary gland, impaired renal function, pneumonia, or such asymptomatic conditions as macroamylasemia (in which amylase is bound to immunoglobulins or polysaccharides to form large molecular weight complexes) (4, 7).
Previous publications have calculated an incidence of macroamylasemia of 0.
15) described simultaneous macrolipasemia and macroamylasemia in association with poly-IgA.
Unusual association of macroamylasemia and hyperlipasemia: report of two cases.
Demonstration of macroamylasemia by polyethylene glycol (PEG) precipitation requires correct PEG concentration [Letter].