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Oncocytic renal neoplasm of low malignant potential is not reportable.

We found that the term AML with recurrent genetic abnormalities, NOS"was incorrectly included as an alternate name with code 9896/3. We followed back with our expert hematopathologist and he stated that this should have been coded to 9861/3 (AML, NOS), for AML with recurrent genetic abnormalities, NOS. This alternate name has been added to 9861/3. (Note: The same alternate name has been removed from 9896/3).

IDH-2 is not listed as a genetic abnormality for any of the histologies listed in the database. It could be that this is a new genetic marker for one of the AML with recurrent genetic abnormalities that we are not aware of. Without further clarification on which histology the IDH-2 would indicate, you would have to default to 9861/3.

There are several histologies that are grouped as AML with recurrent genetic abnormalities."All of these have specific genetics listed as part of the ICD-O-3 histology name.

9865: Acute myeloid leukemia with t(6;9)(p23;q34.1) DEK-NUP214

9866: Acute promyelocytic leukemia with PML-RARA

9869: Acute myeloid leukemia with inv(3)(q21.3q26.2) or t(3;3)(q21.3;q26.2); GATA2, MECOM

9871: Acute myeloid leukemia with inv(16)(p13.1q22) or t(16;16)(p13.1;q22); CBFB-MYH11

9877: Acute myeloid leukemia with mutated NPM1 (2021+)

9878: Acute myeloid leukemia with biallelic mutation of CEBPA (2021+)

9879: Acute myeloid leukemia with mutated RUNX1 (2021+)

9896: Acute myeloid leukemia with t(8;21)(q22;q22.1); RUNX1-RUNX1T1

9897: Acute myeloid leukemia with t(9;11)(p21.3;q23.3); KMT2A-MLLT3

9911: Acute myeloid leukemia (megakaryoblastic) with t(1;22)(p13.3;q13.1); RBM15-MKL1

9912: Acute myeloid leukemia with BCR-ABL1 (2021)+

Of note, for the above histologies, since these are diagnosed solely based on genetics, diagnostic confirmation will always be 3. This instruction will be added to the Hematopoietic database for the 2022 update.

Always code primary site to the site of origin. Look for information about where the neoplasm originated. Primary site should always be coded to reflect the site of origin according to the medical opinion on the case. Always code the primary site based on where the tumor arose / site of origin. Site of origin may be indicated by terms such as "tumor arose from," "tumor originated in," or similar statements.

Refer to ICD-O-3.2 and ICD-O-3 for topographty codes that are associated with specific histologies whenthe medical documentation does not specify the primary site.

Abstract as multiple primaries per rule M8. There are bilateral fallopian tube primaries. It sounds like the "primary" tumor was identified in the right fallopian tube with bilateral spread of disease. Incidental STIC was also identifed in the left fallopian tube. Do not record the STIC as another primary.

We consulted with our expert hematopathologist who advised this is a single primary, Hodgkin lymphoma (9659/3).

The diagnosis from 5/14/2021 states NLPHL. It also states there is T-cell histiocyte rich large B-cell lymphoma-like transformation. The WHO Classification of Hematopoietic and Lymphoid Tissues demonstrates six different patterns to NLPHL, which are: A) 'classical' nodular, B) serpiginous/interconnected nodular, C) nodular with prominent extra-nodular LP cells, D) T-cell-rich nodular, E) diffuse with a T-cell-rich background, and F) diffuse, B-cell-rich pattern.

In this case, they are describing a NLPHL type E (diffuse with a T-cell rich background). The term used is "T-cell histiocyte rich large B-cell lymphoma-LIKE transformation. "Like" as used here means that it is like a transformation; if it was NLPHL transforming to T-cell histiocyte rich large B-cell lymphoma, it would not have the word "like" in the diagnosis. This is a variant of NLPHL and not an actual transformation to another lymphoma. Even though NLPHL can transform to T-cell histiocyte rich large B-cell lymphoma, it is not the case here since the word "like" appears in the diagnosis.

We will update the histology in the Hematopoietic and Lymphoid Neoplasm Database to include these additional patterns.

Report this case as type A thymoma. We consulted an expert physician and his advice on this specific case is to interpret it as a malignancy and report.

Use text fields to record the details of this case.

Assign code 22 for LUL wedge resection followed by a lingular-sparing LUL lobectomy and mediastinal lymph node dissection.  Code the lymph node surgery in Scope of Regional Lymph Node Surgery. We obtained input from an expert who agrees with this code. He states a lingula-sparing lobectomy is best coded as a segmentectomy because it is the same as an apical trisegmentectomy.

For this example: 1. Code HT as treatment on the date of diagnosis for the second primary. 2. Code Systemic/Surgery Sequence as 4. 3. Do not code neoadjuvant data items as neoadjuvant started/completed. The HT given would not qualify for neoadjuvant therapy since the intent of the HT was not neoadjuvant. The HT would affect the second primary, but it is still not neoadjuvant. 4. Code clinical and pathological tumor size accordingly, based on the imaging and the pathological findings. 5. Code Extent of Disease data items based on the pathological findings since pathological findings take priority over clinical and this is not neoadjuvant therapy.

Ecchordosis physaliphora is not reportable.

Answer revised 3/31/2022

Do not report cases based only on the TI-RADS category. The most recent information from ACR on TI-RADS indicates that neither TI-RADS 4 nor TI-RADS 5 is clearly defined as malignancy. TI-RADS 4 is "moderately suspicious" and TI-RADS 5 is "highly suspicious" but they do not specify what they are suspicious for. We need more information to determine reportability.