Serum trypsin-like immunoassay (TLI) to rule out exocrine pancreatic inssuficiency (EPI)
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Serum trypsin-like immunoassay (TLI) to rule out exocrine pancreatic inssuficiency (EPI).
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Faecal analysis to rule out endoparasite and pathogenic bacteria.
Faecal analysis to rule out endoparasite and pathogenic bacteria.
===Diagnostic Imaging===
===Diagnostic Imaging===
Abdominal radiography is unremarkable, but it can be used to eliminate other differential diagnosis.
Abdominal radiography is unremarkable, but it can be used to eliminate other differential diagnosis.
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Addominal ultrasonography may reveal thickened intestinal walls, mesenteric lymphadenopathy or abdominal effusion.
Addominal ultrasonography may reveal thickened intestinal walls, mesenteric lymphadenopathy or abdominal effusion.
===Histopathology===
===Histopathology===
Intestinal biopsy is needed for a definitive diagbosis once all the other differential diagnoses have been eliminated.
Intestinal biopsy is needed for a definitive diagbosis once all the other differential diagnoses have been eliminated.
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Refer to [[Intestines Inflammatory Bowel Disease And Related Conditions - Pathology #Lymphocytic - Plasmacytic Enteritis|Lymphocytic - Plasmacytic Enteritis]] for pathology.
Refer to [[Intestines Inflammatory Bowel Disease And Related Conditions - Pathology #Lymphocytic - Plasmacytic Enteritis|Lymphocytic - Plasmacytic Enteritis]] for pathology.