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| Question: 20120067 |
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Status Final References Source 1: WHO Class Endocrine Tumors pgs: 73 Notes: 2004 Source 2: pgs: Notes: Question Histology--Thyroid: What is the histology code for: poorly differentiated thyroid carcinoma with rhabdoid phenotype arising in a papillary carcinoma? Discussion Answer Code as papillary carcinoma, poorly differentiated, 8260/33. The WHO classification lists grade III papillary carcinoma as one of the synonyms for poorly differentiated thyroid carcinoma.
"Rhabdoid phenotype" does not affect the histology code.
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