<unk><unk>  must be differentiated from systemic mastocytosis, medullary thyroid carcinoma, irritable bowel<unk> , malignant neoplasms of the small intestine, benign cutaneous flushing, and recurrent idiopathic anaphylaxis.
Carcinoid syndrome differential diagnosis
Barrett's esophagus differential diagnosis
Peptic ulcer differential diagnosis
Stomatitis differential diagnosis
Eosinophilic esophagitis differential diagnosis
Mallory-Weiss syndrome differential diagnosis
Colon polyps differential diagnosis
Hypopharyngeal cancer differential diagnosis