Reportability/Date of diagnosis--Thyroid: Is category Thyroid imaging reporting and data system (TI-RADS) 4 (4a/4b) or TI-RADS 5 on imaging diagnostic of thyroid cancer, and if so, can we use the date of the impression on the scan that states either of these categories as the diagnosis date?
Update to current manual/Lymphovascular invasion: Are lymphvascular invasion and lymphvascular space invasion on a pathology report the same thing or do they describe different things?
Update to current manual/Lymphovacular invasion--Thyroid: Are psammoma bodies only recorded as vascular invasion in papillary thyroid cancer cases? See Discussion.
Reportability/Histology--Endometrium: Is endometrial hyperplasia with atypia equivalent to atypical hyperplasia of the endometrium (8380/2) and thus reportable?
Reportability--Liver: Is a diagnosis of Liver Imaging Reporting and Data System (LI-RADS)-Treatment Response (LR-TR) viable nodule seen on imaging and treated with Y-90 radiotherapy reportable? See Discussion.
Reportability--Brain and CNS: Are lipomas of the spinal column reportable as a benign tumor of the central nervous system (CNS)? This is seen occassionally at our pediatric facility.
Primary site--Breast: Patient was diagnosed with invasive ductal carcinoma of the left breast. Site of mass is 2:00 to 3:00. What is the correct site code, C504 upper outer quadrant (UOQ) or C50.8 (overlapping)?
Multiple primaries--Heme and Lymphoid Neoplasms: Is a patient with peripheral blood initially showing chronic myelogenous leukemia (CML), lymph node biopsy showing granulocytic sarcoma (9930/3), and bone marrow biopsy showing acute myeloid leukemia (AML) one or two primaries? See Discussion.
Histology/Biliary tract--Ampulla of Vater: What is the histology code for Intra ampullary papillary-tubular neoplasm in association with microinvasion? See discussion.
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