Renal metastasis from papillary thyroid carcinoma: A diagnostic dilemma

Saini, Tarunpreet; Sahran, Neha; Dey, Pranab

doi:10.1111/cyt.13068

Cited by 1 publication

(2 citation statements)

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“…The prevalence in clinical series is lower and varies between 0.47%87 and 5.3% 6. Multiple case reports have been published in the literature26,88–99 and in general, metastatic renal tumors from thyroid primaries are multiple, bilateral, and usually accompanied by metastatic disease to other sites 85…”

Section: Primary Tumor Sitesmentioning

confidence: 99%

“…The prevalence in clinical series is lower and varies between 0.47% 87 and 5.3%. 6 Multiple case reports have been published in the literature 26,[88][89][90][91][92][93][94][95][96][97][98][99] and in general, metastatic renal tumors from thyroid primaries are multiple, bilateral, and usually accompanied by metastatic disease to other sites. 85 Breast Breast carcinoma represents another potential source for renal metastases, with a prevalence estimated between 4% and 14%.…”

Section: Gastrointestinal Tractmentioning

confidence: 99%

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Secondary Tumors of the Kidney: A Comprehensive Clinicopathologic Analysis

Saeed

Osunkoya²

2022

Advances in Anatomic Pathology

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Metastases to the kidney are rare and were historically described in autopsy series, and the incidence ranged between 2.36% and 12.6%. However, in the contemporary literature with the improvements in imaging modalities (computed tomography scan and magnetic resonance imaging) and other health care screening services, metastatic tumors to the kidney are being diagnosed more frequently in surgical specimens. The utility of needle core biopsies in the primary evaluation of renal masses has also increased the number of sampled metastases, and as a result, only limited histologic material is available for evaluation in some cases and may potentially lead to diagnostic pitfalls. In the last decade, a few large clinical series have been published. In these series, the majority of metastatic tumors to the kidney are carcinomas, with the lung being the most common primary site. A significant number of the various tumor types with metastasis to the kidney are also associated with widespread metastases to other organs, and the renal metastasis may present several years after diagnosis of the primary tumor. The majority of secondary tumors of the kidney are asymptomatic, incidentally discovered, and solitary. There should be a high index of suspicion of metastasis to the kidney in patients with an associated enlarging renal lesion with minimal to no enhancement on imaging and tumor progression of a known high-grade nonrenal malignancy. Secondary tumors of the kidney can be accurately diagnosed by correlating histopathologic features with clinical and radiographic findings and the judicious use of ancillary studies.

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