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Reportability--Pancreas: Is a solid pseudopapillary neoplasm of the pancreas reportable?
Solid pseudopapillary neoplasm of the pancreas is reportable. According to the WHO classification, it is a "low-grade malignant neoplasm…[which] frequently undergoes hemorrhagic-cystic degeneration and occurs predominantly in young women."
Assign topography code C25 with the appropriate 4th digit. Code the histology as 8452/3.
Reportability--Pancreas: Is this reportable? Is this benign? If reportable, what histology code and behavior code should be used? A final pathology diagnosis reads: "Cystic pancreatic endocrine neoplasm (CPEN)".
"Cystic pancreatic endocrine neoplasm (CPEN)" is reportable. Assign 8150/3 based on the information provided. We consulted our expert pathologist and he states "Since metastases have been reported in a few, and all the rest of the pancreatic endocrine tumors are now designated malignant, …we are safe considering them /3 until proven otherwise. Since most of them are non-functioning, [assign code] 8150/3 unless specified as to G1 (8240/3) or G2 (8249/3)."
Reportability--Prostate: According to the 2018 SEER Program Manual, a prostatic intraepithelial neoplasia (PIN) III is not reportable, but is an atypical small acinar proliferation (ASAP) PIN 4 reportable?
ASAP is not reportable. Patients with ASAP found on needle biopsy will likely undergo another biopsy.
Reportability--Retina: Is a diagnosis of retinal astrocytoma reportable? See Discussion.
There is no specific ICD-O-3 code for a which resulted in abstractors assigning the malignant astrocytoma, NOS code. These lesions were previously called but we are seeing the new terminology more frequently.
Report retinal astrocytoma. The WHO Classification of Tumors of the Eye, 4th edition, lists astrocytoma, NOS as 9400/3 with astrocytic hamartoma of the retina as a synonym. You may receive a site/type edit (IF25) which can be overridden.
The changes in terminology, codes, etc. proposed in WHO 4th Ed Eye book were implemented for cases diagnosed 1/1/2018 forward. Apply this to retina astrocytomas and do not accession cases diagnosed with this histology prior to 1/1/2018.
Reportability--Skin: Effective 2021, a cutaneous leiomyosarcoma is a related term for smooth muscle tumor, NOS (8897/1) in ICD-O-3.2. Currently, we have been capturing these as a C44_ (leiomyosarcoma, 8890/3) but the 2019 SEER inquiry states that atypical intradermal smooth muscle neoplasm (AISMN) was previously termed cutaneous leiomyosarcoma. This is not documented on the 2018 ICD-O-3 updates. Should this 2019 case be 8897/1 or 8890/3?
Cutaneous leiomyosarcoma is reportable for 2019. Code histology to leiomyosarcoma 8890/3.
As of cases diagnosed 1/1/2021, it is no longer reportable based on assignment to 8897/1 in ICD-O-3.2.
Reportability--Skin: Is a "basal cell carcinoma of the skin of the lip with focal skin appendage differentiation" reportable?
The histology code for basal cell carcinoma with skin appendage differentiation is 8098/3. Basal cell carcinomas (8090-8110) are not reportable to SEER. Skin appendage tumors are not reportable to SEER unless stated to be carcinoma or stated to be malignant.
According to our pathologist consultant, basal cell carcinoma with focal skin appendage differentiation is basal cell carcinoma which exhibits adnexal (appendage) features, but it is still basal cell carcinoma.
Reportability--Skin: Is a non-small cell carcinoma [8046/3] of the skin SEER reportable?
Non-genital skin primaries with a histology code equal to or less than 8110 are not reportable to SEER; therefore, the combination of C44_ and 8046/3 is not reportable.
Reportability--Skin: Is an atypical smooth muscle cell proliferation of the skin reportable? See Discussion.
Example: Patient has left thigh skin excision with final diagnosis of atypical smooth muscle cell proliferation, inked peripheral margin is involved and inked deep margin is free of disease in the sections examined. See Comment.
Diagnosis comment states: The terminology regarding this lesion is controversial. Lesions with identical features are designated as leiomyosarcoma in the dermatopathology literature, whereas, the preferred classification in the soft tissue pathology is atypical intradermal smooth muscle neoplasm. Although the lesion appears predominantly dermal based, since the margin is involved, the lesion cannot be entirely evaluated, and therefore the final designation is deferred to the findings in the excisional specimen. (This slide was read by bone and soft tissue pathologist.)
There has been no excision of this tumor and, as a central registry, we have no access to the pathologist for clarification.
Is this skin case reportable based on the dermatopathology interpretation when further documentation is not available?
Since you do not have the option of checking with the pathologist and no further information is available, do not report this case. The diagnosis is atypical smooth muscle cell proliferation of the skin, which is not reportable.
Registrars with access to the pathologist should querry the pathologist for clarification in this situation.
Reportability--Skin: Is atypical intradermal smooth muscle neoplasm (AISMN) of the skin reportable? The comment on the path report states: Atypical intradermal smooth muscle neoplasm (AISMN) was previously termed "cutaneous leiomyosarcoma."
Atypical intradermal smooth muscle neoplasm (AISMN), previously termed "cutaneous leiomyosarcoma," is not reportable. It is classified as a borderline, /1, neoplasm.
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