Missed colorectal biopsy

A missed colorectal biopsy is a tissue sample that appears to miss it mark; the clinical impression is cancer yet the pathology cannot confirm it.

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Mass Lesion at 30 cm, Colon, Biopsy:
- Fragments of tubular adenoma with cautery/crush artifact.
-- NEGATIVE for high grade dysplasia.
-- Please see comment.

Comment: 
The clinical history is noted. The tissue seen at microscopy may represent 
the peripheral or superficial portion of a malignancy that is not sampled
in this biopsy. Clinical correlation is required.

This case was reviewed internally.

See also

• Missed renal biopsy.
• Colon.
• Rectum..