Microscopic colitis as a missed cause of chronic diarrhea

Table 2 Clinicopathological features and follow-up data in patients with > 20 intra-epithelial lymphocytes

Age	Sex	IEL count	Presenting symptom	Original biopsy diagnosis	Follow-up period for 2 yr
32	F	22	Chronic diarrhea	Normal	Lymphocytic colitis12
32	F	27	Chronic diarrhea	Normal	Lymphocytic colitis2
55	F	27	Constipation	Normal	Resolve
65	M	26	Abdominal pain	Normal	Myelodysplastic syndrome
22	F	31	Constipation	Normal	Lost to follow up
35	M	38	Chronic diarrhea	Normal	Lymphocytic colitis1
42	F	30	Constipation	Normal	Lost to follow up
59	F	28	Abdominal pain	Normal	Resolve
59	F	40	Chronic diarrhea	Normal	Multiple liver lesions
56	M	31	Chronic diarrhea	Normal	Ulcerative colitis
79	F	20	Abdominal pain	Melanosis coli	Diverticulitis
19	F	28	Abdominal pain	Normal	Behcet’s disease
24	F	24	Chronic diarrhea	Normal	Lymphocytic colitis2
51	M	48	Chronic diarrhea	Normal	Metastatic renal cell carcinoma
56	F	30	Chronic diarrhea	Normal	Lymphocytic colitis2
34	F	30	Abdominal pain	Normal	Resolved
33	F	30	Chronic diarrhea	Lymphocytic colitis	Lymphocytic colitis3
71	M	20	Loss of weight	Normal	Diverticulitis
59	F	25	Abdominal pain	Normal	Resolve
35	F	35	Abdominal pain	Melanosis coli	Pancreatitis

¹Lost to follow-up;

²On review diagnosis changed from irritable bowel syndrome to lymphocytic colitis;

³Known patient included in the study. IEL: Intra-epithelial lymphocyte.