Microscopic Colitis: Epidemiology, Pathophysiology, Diagnosis and Current Management—An Update 2013

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Collagenous colitis</td><td align="left">Lymphocytic colitis</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">(1) Thickening of a subepithelial collagen layer of more than 10 um </td><td align="left">(1) Intraepithelial lymphocytosis (≥20 IEL per 100 surface epithelial cells)</td></tr><tr><td align="left">(2) Inflammation in the lamina propria consisting of mainly lymphocytes and plasma cells </td><td align="left">(2) Inflammation in the lamina propria consisting of mainly lymphocytes and plasma cells</td></tr><tr><td align="left">(3) Epithelial damage, such as flattening and detachment. </td><td align="left">(3) Epithelial damage, such as flattening and detachment </td></tr><tr><td align="left">(4) Intraepithelial lymphocytosis (IEL) could be present, but is not necessary for the diagnosis of CC</td><td align="left">(4) Subepithelial collagen layer not present or less than &lt;10 um</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Histopathological features of collagenous colitis and lymphocytic colitis.

International Scholarly Research Notices

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Table 2

Table 2: Microscopic Colitis: Epidemiology, Pathophysiology, Diagnosis and Current Management—An Update 2013 