SEER Inquiry System - Question 20061137 Details

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Produced: 01/19/2025 10:11 AM

Question 20061137

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Inquiry Details

References:

#1: ICD-O-3

#2: 2004 SEER Manual, 1

Question:

Reportability/Grade, Differentiation: Does the term "grade 0" refer to differentiation or does its use as a modifying phrase in the final diagnosis of "grade 0 immature teratoma" impact reportability?

Discussion:

Answer:

Regarding the term "grade 0" for an immature teratoma, determine whether the pathologist is using that term to describe the primary tumor or its implants. The term can be used to describe both situations.

An immature teratoma (IT) may have grade 0 (benign) implants. Grade 0 implants may affect the prognosis and treatment, but the primary tumor (IT) would still be malignant and therefore reportable. If grade 0 pertains to the primary tumor (as opposed to implants) it is benign, and therefore not reportable.

Cancer Site Category:

N/A

Data Item Category:

N/A

Other Category:

Reportability

Year:

2006