SEER Inquiry System - Search

MP/H Rules/Histology--Rectum: When not specifically mentioned as part of the histology, is the adenoma a second histologic type, or just a further physical description of the tumor? See Discussion.

MP/H Rules/Histology--Prostate: What is the histology code for a prostate case whose histology reads “adenoca with mixed ductal and acinar variants?

MP/H Rules/Histology--Pancreas: What is the histology code of invasive adenocarcinoma, non-mucinous with intraductal tubulopapillary features, moderately differentiated, from the pathology report final diagnosis of the pancreas? Does 'intraductal" refer to a non-invasive/in-situ component or describe the pattern of growth?

MP/H Rules/Histology--Melanoma: Please clarify what we should code when we see the term 'spitz or spitzoid' in association with melanomas. See Discussion.

MP/H Rules/Histology--Melanoma: How is the histology coded for an invasive melanoma stated to have a "superficial spreading growth pattern"? See Discussion.

MP/H Rules/Histology--Melanoma: How is histology coded for a "melanoma in situ, lentiginous type," arising in the skin of the lower leg? See Discussion.

MP/H Rules/Histology--Lung: What is the histology of a lung tumor described as solid predominant with mucin production, 8230/3 (Multiple Primaries/Histology (MP/H) Rule 5) or 8255/3 (MP/H Rule 6)? See Discussion.

MP/H Rules/Histology--Lung: What is the histology code for lung cancer case identified pathologically from a metastatic site that differs from the histology stated by the physician? See Discussion.

MP/H Rules/Histology--Lung: What is the correct histology code for this lung tumor? FINAL PATHOLOGIC DIAGNOSIS: CT-guided Rotex and Franseen needle biopsies: Positive for malignancy, consistent with adenocarcinoma. Comment: the adenocarcinoma present also shows rare CD56 staining which indicates a neuroendocrine component.

Is this a mixed histology? 8045/3? 8244/3?

MP/H Rules/Histology--Lung: What is the correct histology code for an initial biopsy of non-small cell carcinoma with neuroendocrine phenotype, possible large cell neuroendocrine carcinoma with a subsequent re-biopsy showing poorly differentiated small cell carcinoma after chemotherapy with no response? See discussion.