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Pathology report states: the individual nodules of trichoblastic cells resemble those seen in trichoblastoma, but the lesion is very poorly circumscribed with an infiltrative border that extends into the subcutis. the lesion may behave in a locally aggressive fashion, and should be completely removed. High grade trichoblastic carcinomas can metastasize.

The UroVysion website says that standard procedures, e.g., cytology, cystoscopy, take precedence over the UroVysion test. The Quest Diagnostics website says that "A positive result is consistent with a diagnosis of bladder cancer or bladder cancer recurrence, either in the bladder or in another site within the urinary system. A negative result is suggestive of the absence of bladder cancer but does not rule it out." Would we pick up the case if the UroVysion test was positive but the standard procedures were negative or non-diagnostic?

Patient had an appendectomy revealing a low grade mucinous appendiceal neoplasm (LAMN) with diffuse peritoneal dissemination. Patient now with cytoreduction and hyperthermic intraperitoneal chemotherapy (HIPEC), which revealed metastatic disease in the abdomen, omentum, pelvic peritoneum, peri-cecal, and gallbladder.

Pathology report reads left ovary: noninvasive low grade (micropapillary) serous carcinoma (MPSC), fragmented; right ovarian excrescence and posterior cul-de-sac: noninvasive implants identified; right ovary: noninvasive low grade (micropapillary) serous carcinoma (MPSC), scattered autoimplants (noninvasive); tumor is present on ovarian surface, noninvasive autoimplants

Procedure stated = Bilateral skin-sparing mastectomies, left axillary sentinel lymph node biopsy. On the pathology report it indicates two additional lymph nodes were removed that were not SLN. The axillary aspect measures 2 x 2 x 1 cm. Two lymph nodes are identified ranging from 0.5 up to 1 cm. The lymph nodes are bisected and entirely submitted. Final Diagnosis Left breast, mastectomy including nipple: no residual carcinoma; FINAL DIAGNOSIS for LN = Lymph nodes, left axillary sentinel #1; excision: Two lymph nodes examined - negative for tumor (0/2); Two lymph nodes - negative for tumor (0/2)

This patient underwent a "partial decortication" per the operative report. While the operative report does not specifically note that this was performed with a partial pleurectomy, it appears the patient had a partial pleurectomy because the largest specimen removed was a "pleural peel" specimen, which included the parietal and visceral pleural surfaces with a small amount of underlying lung tissue. The operative report notes the patient had involvement of both the lung and chest wall. A total resection was not possible due to the extent of the tumor. However, this patient does appear to have undergone at least a partial resection of the pleura/tumor burden. The patient did not simply undergo a pleurodesis to free adhesions. Per the NCI's PDQ, pleurectomy and decortication are performed together. Because the operative report and pathology report only called this procedure a "partial decortication" without specifically mentioning a pleurectomy, would this be coded as a tumor excision (surgery code 20)? Or should we assume the procedure is best coded as a partial pleurectomy and decortication and use code 30 (simple/partial resection)?