SEER Inquiry System - Search

Histology--Thyroid: What is the correct histology code for a thyroidectomy with final diagnosis of “Right lower lobe: papillary microcarcinoma, conventional type, 0.8 cm. Isthmus: papillary microcarcinoma, follicular variant, 0.2 cm. Left lobe: Papillary carcinoma, conventional, unencapsulated.” See Discussion.

Histology--Thyroid:  What is the correct histology code for a follicular carcinoma, minimally invasive, oncocytic variant of the thyroid?  See Discussion.

Histology--Urinary: How is histology coded for a diagnosis of bladder carcinoma with a mix of different urothelial carcinoma subtypes? See Discussion.

Histology--Vulva:  How is the histology coded for vulvar intraepithelial neoplasia III (VIN III)/Squamous cell carcinoma in situ from a pathology report of the vulva, 8070/2 for squamous cell carcinoma in situ or 8077/2 for VIN III?  The rules do not discuss this particular situation. 

Histology/Behavior--Bladder: Is the behavior of a bladder tumor with low-grade papillary urothelial carcinoma /2 or /3? See Discussion.

Histology/Behavior--Brain and CNS: How are histology and behavior coded for a diagnosis of pineal anlage tumor in an infant? See Discussion.

Histology/Behavior--Brain and CNS: How are these fields coded for an "anaplastic glioneuronal neoplasm with spongioblastic architecture"? See Discussion.

Histology/Behavior--Brain and CNS: How should Histology and Behavior be coded for a polymorphous low-grade neuroepithelial tumor of the young (PLNTY) arising in the brain?

Histology/Behavior--Breast: How are histology and behavior coded for a case originally diagnosed as in situ and later an invasive tumor with a different histology is diagnosed but still a single primary using Breast Solid Tumor Rule M10? See Discussion.

Histology/Behavior--GI Tract:  What is the difference between high grade dysplasia and severe dysplasia for tumors in the cervix and gastrointestinal (GI) tract? Are these terms synonymous with in situ/behavior code /2?  See Discussion.