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Table 1 Histological classifications commonly used for celiac disease

From: An updated overview of spectrum of gluten-related disorders: clinical and diagnostic aspects

 

HISTOLOGICAL CRITERIA

 

MARSH MODIFIED (OBERHUBER)

CORAZZA

Increased intraepithelial lymphocytes (> 40% for Marsh, > 25% for Corazza)

Crypt hyperplasia

Villous atrophy

  

No

No

No

Type 0

None

Yes

No

No

Type 1

Grade A

Yes

Yes

No

Type 2

 

Yes

Yes

Yes (partial)

Type 3a

Grade B1

Yes

Yes

Yes (subtotal)

Type 3b

 

Yes

Yes

Yes (total)

Type 3c

Grade B2