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4/15/2018:  Right abdominal wall mass excision: infiltrating sebaceous carcinoma.  Noted to have a history of Muir-Torre/Lynch syndrome.

1/21/2019:  Two left upper back mass excisions and two lower back (laterality not specified) mass excisions: infiltrating sebaceous carcinomas

8/7/2019:  Excision of multiple sebaceous carcinomas from the right posterior back, left posterior thigh, left anterior abdominal wall, left anterior thigh, right scrotum, right lower abdominal fold, all positive for sebaceous carcinoma on pathology report

9/30/2020:  Right gluteal mass, left gluteal mass, back (NOS) excisions: sebaceous carcinomas.  

10/14/2020:  Right back excision: sebaceous carcinoma. Op note:  History of Lynch syndrome with multiple sebaceous carcinomas, recurrent back mass, site of prior mass resection.

10/18/2021:  Right thigh excision: sebaceous carcinoma

Proposed primaries using MP/H Other Sites Rules

#1:       4/15/2018:  C445-1

#2:       1/21/2019:  C445-2, separate from #1 per M8, same as 1/21/19 C445-9 per M18

#3:       8/7/2019:  C445-1, separate from #1 per M10, separate from #2 per M8

#4:       8/7/2019:  C447-2, separate from #1 & #3 per M8, separate from #2 per M12

#5:       8/7/2019:  C632, separate from #1 per M10, separate from #2-#4 per M11

#6:       9/30/2020:  C445-2, separate from #1 & #3 per M8, separate from #2, #4 & #5 per M10

#7:       9/30/2020:  C445-1, separate from #2, #4 & #6 per M8, separate from #1, #3 & #5 per M10; I do not think the back, NOS (C445-9) is a new primary per M18.

#8:       10/18/2021:  C447-1, separate from #2, #4 & #6 per M8, separate from #1, #3, #5 & #7 per M10

Since AIN I is not reportable and AIN II is not reportable until 2021, we are not sure if we can say the patient was disease free because there was no intervening reportable tumor (AIN III), or was never disease free because there was evidence of related disease (lower grade dysplasia).

LI-RADS (liver), PI-RADS (prostate), and TI-RADS (thyroid) can be used to determine reportability. BI-RADS (breast) and Lung-RADS cannot be used to determine reportability. Can these systems below to determine reportability?

C-RADS (from CT colonography)

NI-RADS (head & neck)

O-RADS (ovarian-adnexal)

2021 Bone marrow biopsy showed erythroid hyperplasia, increased histiocytes with hemophagocytosis and Factor XIIIa positive histocytic cells. Moderate cytoplasmic staining for ALK 1, consistent with bone marrow involvement of ALK-positive histiocytosis. A subsequent kidney lesion biopsy was also found to have ALK-positive histiocytosis. The patient was then treated with clofarabine.

Patient is 3 years old.

07/2020-Chart indicates patient presented in June with fevers and refusing to walk with pancytopenia, bone marrow biopsy showed no leukemia buthistiocytes. Impression: ALK positive histiocytosis involving BM and kidney.

10/2020 Bone marrow final diagnosis states right and left bone marrow aspirates and biopsies: No morphologic or immunohistochemical evidence of involvement by the patient's previously diagnosed ALK+ histiocytosis (see Comments) - Multiple histiocytic collections with prominent hemosiderin; favor reactive - background normocellular bone marrow with maturing trilineage hematopoiesis.

The patient's prior bone marrow samples are reviewed (9/2020 and 7/2020). Similar to the September bone marrow sample, the current marrow shows numerous histiocyte collections with abundant associated hemosiderin deposition. These histiocytes have a stellate/dendritic appearance and lack the atypical features noted in the patient's marrow at diagnosis, favoring a reactive process. This impression is further supported by the lack of immunoreactivity for either Factor XIIIa or ALK1 among these cells. There is no convincing morphologic or immunohistochemical evidence of marrow involvement by the patient's previously diagnosed ALK+ histiocytosis within the sampled material. Of note, the marrow otherwise appears normocellular for the patient's age, indicative of ongoing marrow recovery post therapy.

It is not clear whether this would be equivalent to Langerhans cell histiocytosis, disseminated (9751/3) as there is not a statement of Langerhans cell or whether this is just histiocytosis, NOS and not reportable.

For example, total thyroidectomy specimen shows right lobe papillary thyroid carcinoma, 4.2 cm, unencapsulated, with numerous psammoma bodies in non-tumoral thyroid parenchyma, without angioinvasion; left lobe with papillary thyroid carcinoma, 0.6 cm, encapsulated, with capsular invasion, with intralymphatic psammoma bodies in non-tumoral thyroid parenchyma, without angioinvasion. The synoptic summary documents vascular invasion present (psammoma bodies only).

The physician stated the prior LUL adenosquamous carcinoma was PD-L1 negative and the LUL squamous cell carcinoma is PD-L1 positive and is calling it a new primary.

5/22-7/3/19 6000x30 IMRT Photons LUL lung Chemo refused Not a Surg candidate

10/01/2019 CT Chest: IMP: In comparison to CT chest 03/06/2019 and PET/CT 03/21/2019, left lingular mass has mildly decreased in size. Left apical anterior and posterior lung lesions more anterior lesion appears slightly increased in size, the other slight decreased in size, with adjacent areas of atelectasis and scarring.

06/23/2020 CT Chest: MP: In comparison to CT chest 10/1/2019, left lingular mass has increased in size concerning for increasing tumor with adjacent thicker focal pleural thickening involving the chest wall, concerning for possible chest wall invasion. Left apical anterior and posterior lung lesions appears more solid in appearance, representing known adeno CA, given that the appearance has changed, is concerning for residual tumor.

07/06/2020 PET: Hypermetabolic lingular mass and peripheral nodularity has increased in size and FDG avidity on the prior PET/CT. Left apical nodular opacity is difficult to separate from fairly uniform mild left apical pleural hypermetabolism which may be treatment related and/or neoplastic.

Patient was initially diagnosed with a right lower lobe (RLL) lung adenocarcinoma in 2014 followed by subsequent right upper lobe (RUL) lung adenocarcinoma in 2016 (single primary). Both were treated with radiation and the nodules were seen as stable on surveillance. There was subsequent growth in the RUL nodule in 2019 and RLL nodule in 2020 as well as a new right middle lobe (RML) nodule in 2020. All left sided nodules were noted to be stable and/or ground glass opacities.

There was no documented diagnosis of malignancy in the left lung until June 2020 when the physician noted that if there was a response in the left lung to systemic treatment, then this was probably multifocal AIS. However, only one tumor in the left lung responded to treatment.

While it seems somewhat unlikely that only a single AIS in the contralateral lung should be metastasis from the right lung malignancy, it is difficult to apply the multiple tumors rules to this case.