SEER Inquiry System - Question 20160016 Details

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Produced: 09/14/2025 8:21 AM

Question 20160016

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Inquiry Details

References:

#1: 2007 MP/H Rules

#2: ICD-O-3

Question:

MP/H Rules/Histology--Bladder: Can the histology for a high grade urothelial carcinoma described as having "extensive sarcomatoid dedifferentiation" be coded to sarcomatoid transitional cell carcinoma (8122/3)?

Example; TURBT, Final Diagnosis - Urothelial carcinoma, high grade. Type/grade comment: Extensive sarcomatoid dedifferentiation is present (40-50% of tumor volume).

Discussion:

Answer:

Code high grade urothelial carcinoma described as having "extensive sarcomatoid dedifferentiation" to sarcomatoid transitional cell carcinoma (8122/3).

Cancer Site Category:

Bladder

Data Item Category:

Histology

Other Category:

N/A

Year:

2016