SEER Inquiry System - Home

Solid Tumor Rules (2018)/Histology--Brain and CNS: How is the histology coded when the diagnosis comment for a posterior fossa tumor resection states:  Taken together, these findings are indicative of medulloblastoma with extensive nodularity? See Discussion.

Reportability--Brain and CNS: Is an intradural T12/L1 capillary hemangioma reportable? See Discussion.

 

Reportability--Skin:  Is pseudomyogenic hemangioendothelioma (PMH) reportable with morphology code 9133/3?  See Discussion.

Solid Tumor Rules (2018)/Histology--Lung:  Can the stated histology from a biomarker/immunohistochemistry (IHC) report be used for coding histology? See Discussion.

Reportability--Skin:  Is malignant proliferative trichilemmal tumor (PTT) reportable, and if so, do we apply the matrix rule and code it to 8103/3? A literature search reveals these do exist, but are extremely rare.

Reportability/Ambiguous Terminology--Brain and CNS:  Is the expression differential considerations a synonym for differential diagnoses? See Discussion.

Solid Tumor Rules (2018)/Histology--Breast: How should histology be coded for 2020 breast lumpectomy final diagnosis of invasive ductal carcinoma?  Summary Cancer Data and CAP Summary states: Invasive carcinoma with the following features: Histologic type: Tubular adenocarcinoma. See Discussion.

Solid Tumor Rules (2018)/Multiple primaries--Breast: How many primary tumors should be abstracted for a 2018 breast excision with a final diagnosis of invasive mucinous adenocarcinoma (0.7 cm) with ductal carcinoma in situ (DCIS) present as discontinuous foci, spanning 12 cm? See Discussion.
 

Date of Diagnosis--Brain and CNS: How is the Date of Diagnosis coded when an MRI clinically diagnoses a borderline brain tumor on 4/4/2020, but the subsequent biopsy pathologically diagnoses a malignant brain tumor on 5/20/2020? See Discussion.

Solid Tumor Rules/Multiple primaries--Lung: How many primaries should be accessioned for the following patient scenario?
1) 09/2014 Left upper lobe (LUL), unifocal, localized acinar adenocarcinoma (8550/3) treated with lobectomy.
2) 04/2016 Right lower lobe (RLL), unifocal, localized acinar adenocarcinoma (8550/3) treated with wedge resection.
3) 04/2019 (within 3 years, but masked full date) Left lower lobe (LLL), unifocal, non-small cell carcinoma (8046/3) with brain metastasis. See Discussion.