6 doctors weighed in:

Could a MRI with contrast fail to identify a pituitary tumor?

6 doctors weighed in
Dr. Susan Wingo
Internal Medicine - Endocrinology
4 doctors agree

In brief: Yes

Most pituitary tumors are "microadenomas", meaning that they are less than 1 CM in size.
Mris done specifically to look for a pituitary tumor are very good at detecting tumors near 1 CM in size, and identify about 50% of tumors in the 0.3 CM size range, and would miss most tumors smaller than this.

In brief: Yes

Most pituitary tumors are "microadenomas", meaning that they are less than 1 CM in size.
Mris done specifically to look for a pituitary tumor are very good at detecting tumors near 1 CM in size, and identify about 50% of tumors in the 0.3 CM size range, and would miss most tumors smaller than this.
Dr. Susan Wingo
Dr. Susan Wingo
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In brief: Possibly

If it is a very small tumor it could be missed but usually not if there are symptoms that would allow the radiologist to look closely at the pituitary.

In brief: Possibly

If it is a very small tumor it could be missed but usually not if there are symptoms that would allow the radiologist to look closely at the pituitary.
Dr. Lois Freisleben-Cook
Dr. Lois Freisleben-Cook
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Dr. Stanley Schwartz
Internal Medicine - Endocrinology

In brief: Unlikely

Its 'gold standard' in diagnosis of pituitary growths.

In brief: Unlikely

Its 'gold standard' in diagnosis of pituitary growths.
Dr. Stanley Schwartz
Dr. Stanley Schwartz
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